Manulacturer of Burton S. Goldberg, '49, Research En­ Denver "Sob-A" gineer for Kerr-McGee Oil Company, has Flotation Machines^.. a change of residence address to 6909 Standard ihe N. W. 13th, Oklahoma City, Ok!a. Wor/d Over Frank A, Goodale, '10, who retired last Januar3' from his duties with the Los Angetes County Road department, was a Denver visitor last month. His home address is 1007 El Paso Drive, Los An­ geles, Calif. Gene fV. Hinds, '49, Metallurgist for Geneva Steei Mill, is addressed Box 103, Standard-Reliable-Efficient Orem, Utah. Richard B. Hohlt, '47, Geologist for Equipment for Flotation, The California Company, has moved his residence in New Orleans to 8424 Dixon Cyanidation, Amalgamation, Street. Wdliam J. Holtman, '43, has a change Gravity Concentration of residence address to 475 Garfield Street, Denver. He is Metallurgist for the Denver & Rio Grande Western Railroad, '"7^ ^ivft i^at *M4e4 *Ci .^fUeHfU Ae^UiA^, «*td i^ei^t^ie^' Thomas A. Horr, '36, Outside Plant Engineer for the Mountain States Tel. & Tel. Company is addressed at his home, DENVER EQUIPMENT COMPANY 200 Brentwood Street, Lake wood, Colo­ P.O. BOX 5268 • DENVER 17, COLORADO rado, IVarren 0. Johnson, '49, Field Engi­ DEKVEII IT, EGLDRtDO: P. 0. Bii 5Z69 TSROHra, ONTARIS: 45 JtfchmDnd %\\ti\ W. tQKDllN. ECJ. EHGHNB: SjliiliiTf HSBK neer, Republic Natural Gas Company, re­ KtW yORS CUT 1, N. r.: (IU EnfN VaXt IMi. VtHESOVFR, B. C: 305 Cri^it Fsncjcr Bldg. lOHtHMESiuns, S. AERISA: B Vftlse: %n\ ceives mail in care of the company, M. & EHIOES V. 1121 Siii mi., m H. Kicftiiin HEXICD, B, F.: FdfriEln Pidro it CJiil!. Canlt 3 • mmm^, A^SIRILIA: S3B VIdsMa Slreil W. Tower Buiiding, Dallas 1, Texas. Robert fVm. Knapp, '40, Assistant Works Manager, Vancouver Fabricating Division, Aluminum Company of America, SEND YOUR ASSAY WORK TO resides at 413 West 41st Street, Vancouver, Washington, Harry E. Laivrence, '48, was on vaca­ 2114 Curtis Street MAin 1852 Denver, Coiorado tion in Denver the early part of June and called at the Alumni office. He is Assist­ GOLD OR SILVER, 75c EACH ant Superintendent, Lead Smelting divi­ Complete Price List on Request. Prompt Service—Accurate Results sion. Goldsmith Brothers Smelting & Re­ fining Companj', in whose care he is ad­ dressed, 1300 West 59th Street, Chicago, Ills. Robert F. hesage, '48, was also on va­ SPECIAL SHEET AND PLATE FABRJCATION cation last month, part of which he spent in Denver. He is Mechanical Engineer "TANKS FOR YOUR BUSINESS" for Empire Star Mines Co., Ltd., with mailing address Box 60, Grass Valley, Small headings — sub-levels — hard-to-reach stopes — can now California. ENGINEERS ~ DESIGNERS — FABRICATORS be drilled faster — with the new Gardner-Denver FL2 Air Feed Elbert E. Leivis, '42, Mining Engineer, St. Joseph Lead Company, has moved Leg Mounting for sinker drills. Weighing only 42 pounds* — from Leadwood to Flat River, Missouri, 4800 YORK ST. DENVER, COLO. TABOR 7205 the FL2 is easily carried into remote workings — gives your run­ where his address is 501 Wash Street. Albuquerque — Sillinqs — Casper — Great Falls — Hutchinson — Omaha — Phoenix Norman V. Lovett, '42, has a change ners these time-saving advantages: of residence address to 407 South Race Street, Denver, He is Production Manager faster setup —easily and quickly attached to for Benjamin Moore & Company. the drill. J. A. McCarty, '35, General Produc­ Manufacturers of — easy collaring—with sioper-type controls. tion Superintendent for Ashland Oil Re­ finery Company, has been transferred "National" Brands Safety Fuse for use in all Blasting Operations — longer steel changes —when used with car­ from Henderson, Kentucky, to Salem, Brands bide bits. Illinois. His address there is 206-A West Main Street. Sylvanite Black Monarch Bear Black Aztec Triple Tape — fast drilling—ample feed power, under posi­ E. H. Murchison, '12, has been trans­ tive control. ferred by the Baroid Sales Division, Na­ tional Lead Company, from El Portal, companion — faster tearing down —a simple twist detach­ California, to Hot Springs, Arkansas, to the FL2 es feed leg from drill. where he is in charge of the Magnet Cove Plant. His post office address at Hot DENVER, COLORADO Established 1900 — extra long travel —three feed travel lengths Springs is Box 768. — equals most 55-pound drills in available: 36", 48" and 60", Extension leg adds Major Allan P. Nesbitt, '38, has been Rocky Mountain Distributors—Primacord-Bickford Detonating Fuse for speed and power. an extra 24" for deeper holes. returned to the States from Alaska, his deep well blasting. new address being 6511 ASU Instrnction — quickly changed io wet, dry or *42 pounds for 36" feed travel. Group, P. O. Box 53, Idaho Falls, Idaho. cfutoiticitic wet. Write today for complete information. Henry H. Nogami, '42, Computer, At­ lantic Refining Company, is, at present, — shorter over-all length. being addressed Box 1106, Bay City, Texas. — simple, effettive sfeel puller •— GARDNER - DENVER Since 1859 Donald /F. Roe, '44, received the Jaffa easily operated by foot or hond, OIL PRODUCERS AND ROYALTIES Gardner-Denver Company, Quincy, Illinois. Memorial Prize from the university of assembled without wrenches. Denver college of law on June 8. CATTLE GROWERS Denver, Ciilcn'ado The prize .was established in honor 506 Neil P. Anderson Building of the late Joseph S. Jaifa, professor of mining law at the university. The trophy FORT WORTH 2, TEXAS is a bronze plaque upon which is placed EDWARD J. BROOK '23 each year the name of the student having (Continued on page 7) Herbert D. Thornton '40 Kenneth W. Nickerson, Jr. '48

THE MINES MAGAZINE ® AUGUST, 1950 3 rofedSiona

A. E. Anderson, '04 DOES NOT WANT TO MISS COPIES OF MINES MAGAZINE Booking Cruises to South America From ROBERT L. OLUND, '37, c/o Ingersoll-Rand Co., General Sates Dept., 11 Broa4ivay, 503 i Laureicrest Lane New York, N. Y. Seattle 5 Washington This is to advise you of my new address which is given above. My new position with Ingersoll-Rand Company will be that of representative for the mining industry throughout the United States. Daniel L Beck, '12 I am anxious not to miss any of Mines Magazines and will, therefore, appreciate having them mailed to my new address. Aptitude Testing—Sales Training Executives Selection & Training Institute RECEIVES DEGREE FROM UNIVERSITY OF TULSA 956 Maccabee Bldg. Detroit 2, Mich. From NORMAN S. MORRISKY, '+2, 1530 East 14th St., Tulsa, Okla. I completed ray work at the University of Tulsa for master's degree in geology and received my degree the last of May. My thesis was a study of the Madison limestone of Byron B. Boa+right. '22 the Wind River Basin, Wyoming, correlating surface sections of the Madison with a sub­ surface section by means of insoluble residues. Consulting Petroleum & Natural Gas Engineer While pursuing my graduate studies, I worked at the research laboratory of the Capital National Bank Building Stanolind Oil and Gas Company. Since last June I have been engaged in full time re­ search with this company, completing my thesis in spare time. Austin, Texas I am currently employed by Stanolind, doing geobgical research work. GAINING EXPERIENCE AS TRAINEE-ENGINEER George R. Brown, '22 From ANDREW T, VALESCU, EX-'$9, C/O Continental Oil Co., Drainer 1261, Ponca City, Okla. Brown & Root, Inc. Due to moving around the country, I am having quite a time catching up with Mines Engineering Construction Magazines. My last address was Basile, La. and, although it was properly changed at the Houston Austin Corpus Christi post office, ray mail is stiil being retained from time to time. A notice from them just re­ ceived indicates that one magazine was held for postage due, so now I hope I have made them understand in my last letter to them, where and how to send ray future mail. Being a trainee-engineer with the Continental is a wonderful experience with a good Walter E. Burlingame, '01 company. Assayer—Engineer—Chemist The family and I are enjoying a pleasant summer in Ponca City. In August will go 2040 Broatawoy Phone: TA. 3&I5 to Louisiana, at Ville Plate, and three months after that, I will be a full-fiedged petroleum engineer in the organization, That will seem like Heaven when stationed permanently Denver somewhere! TRANSFERRED TO TEXAS W. W. Cline, Ex-'29 From GEORGE A. KIERSCH, '42, Box 1022, Alpine, Texas. President Please change my address to that given above. San Joaquin Drilling Company, Inc. I was transferred to the State Department, International Boundary and Water Com­ mission, Alpine, Texas, in late June to be supervising geologist under the project engi­ 417 S. Hill St. Los Angeles, Calif neer, L. H. Henderson, '28, of a large geologic investigational program underway along the Rio Grande river throughout the Big Bend country. I had been project geologist for the Folsom Dam Project, Corps of Engineers, Cali­ Will H. Coghill. '03 fornia, during the geologic investigations and early construction phases. My best regards to all. No Consultations IS BEING KEPT PLENTY BUSY 145 W. Lincoln Ave. Delaware, Ohio From PAUL SVENDSEN, '+3, 906 Security Avefiue, Pueblo, Colorado. What with buying a house in Pueblo, starting on a new job, traveling for C. F. & I., Ralph D. Curtis, '26 building a garage onto the new house, I'm so far behind in my personal correspondence that I hardly know where to start. Production Manager However, I am starting with you to give you the information for which you recently C, H. Murphy & Co. asked. And while I am at it, I might as well take this opportunity to notify the Associa­ tion of a coming change of address. Eifective August 1, 1950, ray new address will be as ist Nat'l Bank Bldg. El Dorado, Ark given aboA'e. NOW LOCATED IN NEW YORK CITY E. E. Dawson, '38 lall base, From ROBERT G. HILL, '39, 301 East 38th Street, Apt., 10 H, New York 16, N. Y. ed circle Manager, Foreign Operations I shall be grateful if you will change ray address in your records from Box 277, State Brown Drilling Company College, Pa., to that given above. FIVE DIFFERENT MODELS make up I am now employed as administrative assistant in the foreign producmg department Long Beach California of The Texas Company. this series, all highly elBcient general pur­ I'll look forward to receiving Mines Magazine at this new address. pose levels, easy to use and convenient to Earlougher Engineering carry. Obtainable with or without divided Petroleum Consultants — Core Analysis Before You Buy . . circle (read by microscope), with 3-screw 319 E. Fourth St. Tulsa 3, Okia. or quick levelling ball base, and with mirror R. C. Earlougher, '36, Registered Engineer or prism reading for main bubble. Six new features make them valuable Albert C. Harding. '37 Write {or leaffet H.E, 32 General Manager to you in your work! Black Hills Bentonite, Inc. Come in or write for details. Moorcroft Wyoming WATTS DIVISION Thomas S. Harrison, 'Ol 48 ADDINGTON SQUARE, LONDON S.E.S. B.131 CoRtulting Oil Geologist Tel. Rodney 5441\9 Cables: Colimator, London. Prism reader for bubble, circle M04 First National Bank Bldg. B.13ta 1641 California St. Denver 2, Colo. AGENTS: THE JARRELL-ASH CO., 165, NEWBURY STREET, BOSTON, MASS. As above without circle Denver, Colorado

4 THE MINES MAGAZINE • AUGUST, 1950 THE MINES MAGAZINE • AUGUST, 1950 TECHniCflL mm mmm Those interested in any of the posi­ tions listed may make application through "Mines" Capability Ex­ These contributors to "Mines" Place­ use of their services. Your contribution change, 734 Cooper Building, Denver ment Service assure its success and con­ now may instire your future advancement 2, Colorado, K. L Koeiker, '14 tinuous expansion. It makes it possible for or that of some other "Mines" Man who BNING COMPANY "Mines" Men to improve their employment has the ability but not the contacts with the (841) INSURANCE SALESMEN. An old estab­ Consulting Mining Engineer hy automatically presenting their qualifi­ better job. Every "Mines" Man takes a lished life insurance company oflers excellent op­ cations to the employer best suited to make pride in watching this list grow. portunities for inexperienced and experienced 3i8 Joplin St. Joplin. Mo, salesmen. The type of men wanted should be cap­ able of earning several thousand dollars per year. TEST DATA M. T. Honke, Jr., '+8 Parker Liddell, '03 A. E. Perry, Jr., '37 (1148) JDNIOa MINING ENGINEEU. An east­ George Baekeland, '22 G. M. Miner, '48 E. F. Petersen, Jr., '37 ern manufacturer of iron products has a posi­ Jean McCallum, 'iO Max Schott, Hon., '40 J. B. Larsen, '36 W. H. Friedhoff, '07 tion open for youne: miniuK enRineer in connec­ tion with their iron mines. Applicant should liave Mining & Metallurgical Engineer J. L, Fusselman, '42 J. A. Clark, '21 R. R. Allen, '40 some mining experience and ability to supervise H. V. Stewart, '49 H. E, Lawrence, '48 F. A. Seeton, '47 men. Salary will depend upon experience and Consulting G. F. Kaufmann, '21 F. W. C. Wenderoth, EK-'36 W. C. Pearson, '39 ability of applicant. 722 Chestnut St. St. Louis I, Mo, N. J. Christie, '35 V. R. Martin, '41 N. M. Hannon, Jr., '47 (1153) PHYSICISTS AND BESEASOH ENGI­ NEER. A research oreanization established iu H. D. Graham, '48 T. J. Lawson, '36 M. W. Ball, '06 the rniddlewest lias positions opeti for physicists, V. G. Gabriel, '31; '33 Marvin Yoches, '40 M. M. Tongish, '43 and electrical engineers with good background Wilfred Fullerton, '12 C. C. Towle, Jr., '34 J. E. Tuttie, '49 in physics, electronics and electrical research. Ap­ Vincent Miller, '35 plicants should have Master's or Doctor's deereea. M. John Bernstein, '47 J. N. Gray, '37 E. E. Fletcher, '45 Salary open. R. D. Segur, '41 Exploration Service Company H. L. Muench, '40 D. W. Reese, '48 (1154) MINING OR METALLURGICAL ENGL G. N. Meade, '41 S. E. Anderson, '32 W. A. Elser, '48 NEBR. A well established coinpany operating in 3artlesvl!le Oklahoma T. N. Allen, '41 Herbert Schlundt, '43 E. S. Rugg. '43 foreign countries has a position open for an eii- eineer who has ore-b«ying experience and a good G. W. Schneider, '21 F. E. Johnson, '22 R. L. Bradley, '47 knowledge of the Spanish laiiguage. Salary open. H. J. McMichaei, '39 W. E. Norden, '34 F. Clinton Edwards, '41 (1155) MINING AND METALLURGICAL ENGI­ Robert McMillan, '41 P. A. Jennings, '34 E. D. Hyman, '48 NEER. A company operating non-metallic mines Cleveland O. Moss. '02 W. R. Parks, '38 Nikolai Belaef, '27 in the south has a position, open for graduate E. E. Davis, Ex-'29 engineer to woric in open pit mining and carry Consulting Petroleum Engineer C. W. Desgrey, '26 Masami Hayashi, '48 G. S. Schonewald, '48 on research work for the flotation of non-metai- Estimates of Oil and Gas Reserves Floyd L. Stewart, '43 G. R. Rogers, '48 S. J. Marcus, '45 iios. However, several months training will be Valuation—Production Problems—Proration required before taking on an executive position. M. S. Patton, Jr., '40 G. O. Argall, Jr. '35 A. H. Logan, '38 Salary open. 20B Midco Bldg. Tulsa 3, Okla, J. R. McMinn, '42 P. M. Howeli, '38 D. M. Davis, '25 (1171) MILL FOREMAN. A South American John Biegel, '39 R. M. Frost, '48 A. D. Swift, '23 mining company has a position open for a (iradu- L. F. Elkins, '40 R. D. Eakin, '48 H. D. Campbell, '42 ate metallurgist as Mill Foreman. Applieaiit must R. G. Finlay, '39 K. B. Hutchinson, *39 R. R. Bryan, '08 have had experience in the operation of flota­ J. Ross Reed. '37 tion and concentration equipment. Mast have L. E. Smith, '31 W. S. Chin, '49 R. W.' Knapp, '40 a good working knowledge of Spanish and be Field Engineer F. C. Bowman, '01 K. W. Nickerson, Jr., '48 S. H. Hochberger, '48 able to sueetssfully handle South American em­ National Electric Coil Company F. F. Frick, '08 T. V. Canning, '32 G. V. Atkinson, '48 ployees. Must report single status for sis months. Salary open with liberal vacation allowance and 1751 New York Dr. Altadena, Calif, Franklin Crane, '43 L O. Green, '32 Robert Bernstein, '42 free living quarters. Bonus to the right man. B. F. Zwick, '29 James Colasanti, '35 C. G. Hayes, '41 (1176) METALLURGIST. An aircraft manufac­ W. E. Bush, '41 turer has position open for inetallursiioal gradu­ J. A. McCarty, '35 I. R. Tayior, '48 ate with education and experience covering met­ Hildreth Frost, Jr., '39 R. C. Pruess, '42 E. G. Snedaker, '14 allurgical testing of ferrous and non-ferrous Joseph J. Sanna, '4! H. W. Evans, '49 B. E. Coles, Jr., '49 metals as well as physical processing, heat treat­ R. L. Brown, '44 Christensen Diamond Products Co. J. R. Medaris, '49 Finley Major. '47 ment, welding practices and ability to coordinate H. C. Bishop, Jr.. '43 tliese practices with the application of metals t»llning—Petroleum—Con st ruction P. B. Shanklin, '48 W. J. McQuinn, '46 for manufacturing. Salary open. Diamond Bits & Supplies G. G. Griswold, Jr., '14 M. W. Miller, '49 R. E. Cheek, '43 <1178) JUNIOR METALLURGIST. A mining OTHER PRODUCTS I97S South 2nd West, Salt Lake City 13, Utah T. A. Hoy, '49 company in South America has position open for G. H. Shefelbine, '35 V. N. Burnhart, '32 MsSKo FDhrenwold FlDtatlon Mochinei; Genulnt WMfley Tablei; Massco-McCarthy J. R. Newby, '49 Junior Metallurgist with some experience in ore- W. H. Nikola, '41 K. E. Bodine, '48 dressing and laboratory work. Knowledge of Hot Milieri; Rack Bit Grinderi: Density ConlroMeis; Belt Feeders: Pinch Valves; Assay J. P. Bonardi, '21 S. E. Zelenkov, '36 Spanish is desirable. Starting salary. $S000 per H. F. Holliday, '42 ond Labsiarory Supplies and Equipment: Complete Milling Pinnli; Censlam Ski Dfli, C. A. Weintz, '27 G. H. Fentress, '49 year plus living quarters. Transportation hy air, free. Yeariy bonus of 1 month. 3-year contract. Wm. D. Waltman, '99 F. D. Kay, '21 J. L. Bruce, '01 R. D. Locke, '44 (1182) SALES ENGINEER. A large steel com­ Main Otfice; DENVER, COLORADO, U.S.A.; Ei Paio; THE J. C, Andersen, Jr., '45 W. L. Falconer, '41 B. E. Duke, '39 pany has position opon for Sales & Service Engi­ SaU Lake Clly: 1775 Broadway, New York, N.Y.; 325 So, Plymouth Boulevard neer. Must be thoroughly acqnainted with oil­ Canadian Vifkers, Ltd., Montreal; W. R. Judson, T. L. Goudvis, '40 G. P. Mahood, '24 W. D. Lord, Jr., '44 field practice and have had '5 to 10 yeai^ expc- Santloqa and Lima; The Edward J. Nell Ce., Manila, Los Angeles 5 California R. E. Buell, '41 J. A. Bowler, '39 Christian Kuehn, '41 rieoce. Applicant must have administrative abil­ p. 1.; Jhe Ore & Ckemtcat Corp., BO Bread St., New ity and excellent personality. l''ine opportunity York 4, N.r., Repreientativet fei Continental Europe. SUPPI.Y COMPANY Daniel H. Dellinger, '31 W. C. Kendall, Ex-'47 Douglas Ball, '43 for the man who can meet requirements. SalaiT depends upon experience and ability of applicant. A. C. Harding, '37 J. C. Smith, Ex.'35 L. I. Railing, Jr., '47 (1188) DRAFTSMAN h DILSIGNINU ENGI­ Douglas V. W atrous, '40, President, H. F. Carpenter, '23 NEER. Well known consulting engineering or­ PERSOnilL nOTES Elmer R. Wilfley, '14 R. L. Scott, '42 E. L. Durbin, '36 Mountain Empire Mills, Inc., has rjioved ganisation located in the middle-west has a po­ (Continued from page 3) P. W. Crawford, '22 W. D. Caton, '35 R. P. Olsen, '49 sition open for designing engineer who has had his residence from Denver to Idaho Wilfiay Centrifugal Pumps extensive e.'iperience with the cement industry. M. L. Gilbreath, '33 W. A. Conley, '19 E. M. Watts, Ex-'26 the highest scholastic average in the first Springs, Colorado. Should have had from 5 to 10 years experience two years of law work. Fred J'. Wehrle, '49, completed the first Denver, Colo. H. H. Christy, '22 L. O. Storm, '40 of which 3 to 4 years have been drafting and R. F. Dewey, '43 year on obtaining his master's degree W. B. Barbour, '37 designing. Probable salary. $400 to $oOO per Roe, who received a certificate marking J. A. Kavenaugh, '38 F. E. Lewis, '01 month. the award, is the son of Mrs. Harry B. from the Illinois Institute of Technology. J. R. Hailock, '49 J. G. Johnstone, '48 E. C. Royer, '40 (1194) MINING ENGINEER. A well known Roe and the late Mr. Roe of Denver. He has accepted employment for the sum­ John H. Wilson, "23 Wm. C. Lieffers, '48 E. A. Berg, '41 E. W. Steifenhagen, '41 compan.v operating a gold mine in Central JVilliam C. Schafer, '49, has moved mer with the Colorado Interstate Gas America has position open for mine manager. from Pacific Grove to Bakersfield, Cali­ Company as a junior engineer but will F. E. Woodard, '42 G. A. Smith, '34 W. W. Simon. 'IS Applicant must have had several years experience Independent Exploration Company in operation of mines in Latin America. Salary fornia. He is Sales Engineer, Decay Con­ resume his studies in the fall in Chicago. Wm. H. Bashor, Jr., '49 H. L. Jacques, '08 R. F. Corbetta, '48 depends upon qualifications and experience of ap­ trol Division, Wallace-Tiernan Corpora­ Mail for these few months is being sent I4i! Electric Building T. H. Allan, '18 S. C. Sandusky, '48 J. H. Vose, Jr., '39 plicant. tion, His address at Bakersfield is 2114- to his home in Denver, 954 So, Corona Ft. Worth. Texas (1197) RESEARCH METALLURGIST. A well 20th Street. Street. T. F. Adams, '29 J. W. R. Crawford, IK, '48 J. L. Boiles, '49 known research organiaation is setting up a new department covering research in comiection with John F. SchuHze, '48, resigned his posi­ Thomas L. JV ells, '29, who has been C. V. Woodard, '44 O. P. Dolph, '25 B. W. Knowies, '08 projects for pyro- and hydro-metallurfry. Appli­ tion with the Leadville Mining Unit, A. associated with North American Mines, Otto Herres, '11 A. M. Keenan, '35 G. B. Harlan, '49 cant must be able to direct research and he well S. & R, Company, to accept one with Inc. of Boston, Mass., for the last two grounded in physical chemistry and especially John H. Winchell, '17 E. J. Brook, '23 W. H. Breeding, '39 Gene Meyer, '37 thermodynamics. Should have few yeai-s experi­ Northern Peru Mining & Smelting Com­ years, is now engaged in independent con­ sulting work, with offices at 452 Fifth G. A. Parks, '06 ence in concentration of ores. Salary will de­ pany. He is addressed in care of the com­ Attorney at Law J. W. Gabelman, '43 N. S. Whitmore, '29 pend upon the experience and ability of appli­ Avenue, New York, N. Y. cant. pany, Casilia 162, Trujillo, Peru, S, A. 315 Majestic Bldg. Denver, Coio, J. B. Ferguson, '30 R. G. Hili, '39 C. W. Campbell, '47 Lt. Col. Thomas J. Skeahan, '27, has Vincent D. Barth, Ex-'37, was on vaca­ (1199) PETROLEUM ENGINEER. A company tion in Denver the early part of July and ALpine 5251 D. W, Butner, 'IS L. E. Wilson, '27 J. N. Wilson, '42 operating in a southern state has position open a change of address to Engineer Section, called at the Alumni office. He is Research A. G. Hoel, Jr., '40 L. P. Corbin, Jr., '40 J. S. Phillips, '49 for Petroleum Engineer 30 to 40 years of age Headquarters Sixth Army, Presidio of with experience in natural gas transmisison and San Francisco, California. Engineer for Battelle Memorial Institute. R. L. McLaren, '32 W. J. Rupnik, '29 A. F. Beck, '25 distribution. Will be necessary to travel approx­ imately 50% of the time. Salary open. Robert E. Simpson, '42, is Superlntend- He is addressed, SOS King Avenue, Harry J. Wolf, '03 J. A. Davis, '39 F. C. Aldrich, '48 F. J. Weishaupl, '49 (1208) MINING BNGMEER, Position open for for Slate River Mining Company, Crested Columbus 1, Ohio. Mining Engineer in connection with Greek min­ Butte, Colorado. Charles S. Beech, '26, is in Grand Mining and Consulting Engineer C. D. Reese, '43 R. H. Sayre, Jr., '34 Victor Bychok, '42 ing. Applicant must have broad experience in Junction, Colorado, at present where he W. F. Distler, '39 R. W. Evans, '36 C. F. Fogarty, '42 operation, examination and report work in con­ C. W, Tucker, '47, Junior Petroleum 420 Madison Ave. New York 17, N. Y nection with non-ferrous metals. Probable salary, Engineer, Stanolind Oil and Gas Com­ is addressed in care of The Stearns-Roger G. W. Mitchell, '23 J. D. Moody, '40 M. M. Aycardo, Jr., '41 about $9000 per year plus living allowance. pany, is being addressed 2210 Blum, Al­ Manufacturing Company, Box 774. N. H. Donald, Jr.. '39 M. F. Barrus, '43 (Continued on page 36) CContinued on page 9) vin 1, Texas. (Continued on page 8) THE MINES MAGAZINE @ AUGUST, 1950 THE MINES MAGAZINE 9 AUGUST. 1950 7 PERSOnflL nOTES TECHniCflL men uinnTCD (Continued from page 7) (Continued from page 7) Marion S, Bel!, '+9, has been promoted (1209) MINING ENGINEER. .Company operatiiiE to Assistant Plant Metallurgist by the in South America has position open for aBaistaiit to Mining Superinteniient. Man must have had a Phelps Dodge Refining Corporation and, few years mining experience, be able to stand at present, is being addressed Ysleta, high' altitudes and report single status. Three Texas. year contract. Probable salary, $400 to ?500 per month. For dependable assaying you must Joseph Q. Berta, has been advanced (1215) MINE FOREMAN. A Soath American by the Union Pacific Coal Company from mining company has position open for Mine use dependable clay goods. Foreman who has had several years experience Assistant Superintendent to Mine Super­ in metal mining and is a college graduate. Must intendent and transferred from Superior have working knowledge of Spanish and be either single or willing to go single status for at least to Reliance, Wyoming. six months, Three year contract. Starting salary, DFC CRUCIBLES Earl L. Bilheimer, '22, Manager, Em­ $4200 per year plus a bonus of one month salary ployee Relations Department, St. Joseph for each year. Four weeks vacation. Free living quarters. Lead Company, is addressed Box 626, DFC MUFFLES (1216) MILL SUPERINTENDENT. A well Bonne Terre, Missouri, known mining company in South America has fVilliaTn L. Burch, '44, resigned his posi­ position open for Mill Superintendent with sev­ eral years experience in milling operation. Latin DFC ANNEALING tion with the Linde Air Products Co. to American background is essential. Three year become associated with the Bell Aircraft contract with housing provided. Approximate CUPS Corporation of Niagara Falls, N. Y. His starting salary, $5000 per year. (1225) ENGINEER AND PHYSICIST. A ship­ home and mailing address is 250 Heim yard has position open for an Engineer and DFC CUPELS Road, Williamsville 21, N. Y. Physicist with experience in the control of John T. Burnett, '49, is Shift Boss for sound and vibration. Must be able to develop new techniques for reducing and controlling The Galigher Company at Monticello, these elements. Probable starting salary, $5400 DFC ROASTING Utah. per annum. Harry W. Carlson, '42, Geologist for (1227) SAFETY AND VENTILATION ENGL DISHES NEER. A permanent well establislied company The California Company, has moved has position open with its foreign operations from New Orleans to Shreveport, Louisi­ for a Safety and Ventilation Engineer with ex­ DFC SCORIFIERS ana, where he is addressed 2205^/^ Cen­ perience in large underground mines, technical background. Three year contract. Generous vaca­ Every piece made tenary Boulevard. tions. Housing and utilities furnished. Travel AND TRAYS John M. Coke, '28, Associate Professor expenses paid. Must be in good physical condi­ to perform its job tion. Salary liberal, depending upon experience. of Descriptive Geometry at Mines, resides (1228) METALLURGIST. Foreign company has efficiently. DFC on at 24 Mines Park, Golden, Colorado position open for a young Metallui^ist with where he receives mail. some actual experience in ore beneficiation. Natural aptitude for research important. Salai7 the product—means John T. Crawford, '27, Vice President open. in Charge of Operations for North West­ (1229) METALLURGICAL SUPERINTENDENT. satisfaction on the DENVER FIRECLAY ern-Hanna Fuel Company, has moved his A mining company operating a sulphuric acid residence to 16 St. Albans Road, Superior, plant in connection with copper leeching plant job. Be certain — where pyrite roasting is used has position open ELPASO,TEXAS fg*lj^^ SALT LAKE Wisconsin. for a Superintendent of sulphuric acid plant. ELPASO,TEXAS |nl?f| SALT LAKE Demand DFC. NEWYORK.tJ r . |"»*'|»^» ^1| CiTY.UTflH IVilliam G. Cutler, '48, has again Should have broad chemical knowledge. Good academic background and practical experience. DENVER, COLO., U. S, A. moved his residence in New Orleans, La., Three year contract with liberal salary. Housing this time to 4529 Duplessi.s St., Apt. B. He furnished, traveling expenses paid. Vacation al­ lowed. Applicant must be in good physical con­ is Petroleum Engineer for the California dition. Company. Designed for maximum efficiency, the Stearns- D. C. Deringer, '24, General Manager, (1230) MINING GEOLOGIST. A weU estab­ Patino Mines & Enterprises Consolidated, lished company with foreign operations has po­ Roger Improved Calcine Cooler handles large tonnages at Catavi, Bolivia, has been vacationing sition open for Mining Geologist with broad experience in connection with ore deposits and in the States this summer. He and Mrs. geological field work. Salary open, depending of hot material with a minimum of shell length, resulting Deringer came the latter part of May to upon experience and ability. attend the graduation exercises of their (1232) GEOPHYSICIST. A geophysical com­ daughter from Smith college. pany with headquarters in New York Oitv. has in a corresponding saving in floor space. position open for a young geophysical engineer Ernest JV. Dissler, '40, Division Geo­ familiar with seismic operations in connection physicist for Cities Service Oi! Company, with mining work. Must be willing to travel extensively, both domestic and foreign. Salary The inside of the Improved Cooler shell is divided is on duty in Canada at present, mail open, depending upon experience and abilitv, being addressed to him at 117-B 8th West, (1233) MINING GEOLOGIST. A mining com­ into three sections. Holes in the outer shell allow free access Calgary, Alberta. pany has position open for Chief Geologist with S. Reeve Duhme, '40, has moved his good academic baeltground and experience in mine examination work and mine reports. Salary of water between each of these sections thereby approxi­ residence to 1301 Florida Avenue, Apt. will depend upon experience and ability of appli­ 2C, Richmond, California. He is serving cant. as Geologist for U. S. Engineer Corps. (1236) REFINERY ENGINEER. A refinery con­ mately doubling the cooling surface provided by a struction company has position open for a Re­ Charles A, Einarsen, '47, has been finery Engineer with several years experience in transferred by Stanolind Oil and Gas actual operation, who is capable of developing cylindrical section. Company from Midland to Fort Worth, specifications and requisitions for in stru merit equipment from working sheets and process data Texas, in whose care he is being ad­ for petroleum refinery units. Salary depending dressed. His position is District Mud upon experience and ability of applicant. Engineer. (1238) REFINERY ENGINEER. A company for specifications wrife for the Calcine roPKtructing refineries and refinery equipment Marvin H. Estes, '49, has a new resi­ has position open for a Refinery Engineer with dence address in Golden, 1006 Sixteenth at least four years experience in actual operation. Cooler Bulletin. Must be capable of supervising and inspecting Street. He is District Engineer for Frig­ instrument installations during construction, and idaire Sales Corporation with offices in able to check calibration and adjust control Denver. fimctions. Must be able to assist operators during starting up period. Headquarters in New York • BUILDERS Glen E. Fussier, '29, of IS 10 West 8th but work \iUl be both foreign and domestic. Salary open. Street, Freeport, Texas, was a Denver AU-welded, heavily reinforced body of the famed CARD (1239) SEISMOGRAPH PARTY CHIEF. A well • DESIGNERS visitor in July, ROCKER DUMP CAR is carried on cast steei rockers and known geophysical company has position open for John E. Feather, '49, is now being ad­ Party Chief in connection witli geophysical work in Canada. Applicant should have at least two • MANUFACTURERS dressed Box 1033, Lubbock, Texas, while stands. Fast, clean dumping. Exceptional capacity, especially years experience as Party Chief in seismic field serving as Junior Observer for Cities work. Single man preferred. Starting salaiy $600 Service Oil Company. for mines using narrow gauge track. to $750 per month, depending upon ex-perience For The Mining and Process Industries and ability. Good chances for advancement Robert M. Frost, '48, Metallurgical within six months. Engineer for Westinghouse Electric Cor­ (1243) CONCENTRATOR MILL F08EMAN._ A copper milling company with 1500 ton milling poration, resides at 607 Delaware Avenue, plant has position open for mill foreman with Norwood,. Pa. where he receives maii. experience in the flotation of copper ores. Living and climatic conditions are good. Salary open Jo/in M. Gardner, '33, who is associ­ depending upon experience and ability of appli­ ated with International Derrick & Equip­ cant. ment Company, is addressed in their care, (1244) SMELTER FOREMAN. A foreign opera­ Box 2369, liallas, Texas. ted copper smelter has position open for a smelter

(Continued on page 33) CContinued on page 44) 8 THE MINES MAGAZINE ® AUGUST, 1950 THE MINES MAGAZINE • AUGUST, 1950 9 Content A — ACCURATE SQUARE ROOTS USING A SLIDE RULE AND AUTOMATIC CALCULATOR - - - •• - 12 - By John S. Souihworth, '38 EDITOR AND PUBLICATION DIRECTOR ALUMINUM COMPANY OF AMERICA, FRANK C. BOWMAN. '01 POINT COMFORT WORKS - - ^ - - - - 13 HERBERT W. HECKT, '36 Assistant Editor AIR COMPRESSOR SELECTION AND APPLICATION - 17 W. K. SUMMERS By John E. Moody, '39 Product] on MARVIN ESTES, M9 PROGRESS BY BELT CONVEYORS ------21 Circulation By Harold Von Thaden PROGRESS NEWS, U. S. ATOMIC ENERGY COMMISSION . - - - 25 ASSOCIATE EDITORS V/ILLiAM M. TRAVER, '16 Mining CLAUDE L. BARKER, '31 Coal Mining CEDRIC E. McWHORTER, '24 ^^epciftmentd— Non-Metallics HOWARD A. STORM, '29 Metallurgy PERSONAL NOTES _ . - .. 3 SIGMUND L. SMITH, '39 Ferrous-Metallurgy LETTERS - - - - . 4 RUSSELL H. VOLK, '24 Petroleum CONTRIBUTORS TO PLACEMENT FUND FOR 1950 - 6 ARTHUR W. BUELL, '08 Longitudinal cross-section of CF&I grinding ball, deep-etched in Petroleum TECHNICAL MEN WANTED ------7 ROBERT MCMILLAN, '^^ hydrochloric acid to show flow lines and absence of segregation. petroleum BERNARD M. BENCH, '30 TECHNICAL SOCIETIES AND Petroleum LOWELL C. ATCHISON, '25 Realizing that grinding efficiency of media is in direct ratio to ASSOCIATIONS MEETINGS ------26 Chemistry J. HARLAN JOHNSON, '23 density, an inventor once made a grinding ball with a lead center and a WITH THE MANUFACTURERS ------27 Geology DR._ TRUMAN H. KUHN steel shell. It was fine-sounding theory but commercially impractica! for Economic Geology & Mineralogy PLANT NEWS ------29 obvious reasons. At CF&I, research follows more reasonable lines. HOWARD A. STORM, '29 Manufacturers Our metallurgists and ore-dressing engineers, with long experience on CATALOGS AND TRADE PUBLICATIONS - - - - 31 HOWARD A. STORM, '29 Trade Publications grinding media, take into account the mill operators' problems, in working ALUMNI BUSINESS ------32 ELLA J. COLBURN News on improvements that will make CF&I forged steel balls still better. MINES TODAY ------33 For true efficiency, grinding balls must be dense, hard, and tough from surface to center, to hold their shape, last longer and grind more ore. FROM THE LOCAL SECTIONS ------34 SECTION EDITORS For over 17 years, CF&I forged steel grinding balls have built a BOOK REVIEWS ------37 reputation for meeting these requirements. Their resistance to abrasion B. G. MESSER; '36 IN MEMORIAM ------39 LUTHER W. LENNOX, '05 has provided operating economies in some of the world's highest capacity RICHARD M. BRADLEY, '36 GOVERNMENT PUBLICATIONS ------40 D. J. LYONS, '30 grinding sections. A CF&I ore-dressing engineer is at your service HERBERT E. RISSER, '37 on any grinding media application. BIRTHS ----- . 41 FRANK M. STEPHENS, JR.. '42 JOSEPH R. GILBERT, '42 WEDDINGS ------41 ROBERT W. EVANS, '36 STANLEY OHLSWAGER, '49 W. BRUCE BARBOUR, '37 M. M. AYCARDO, JR., '4! C, B. HULL, '09 over- FRED D. KAY, '21 CARL fi. HOLMGREN, '38 M. O. HEGGLUND, '41 PRODUCTS 1685 Horsepower Nordberg Radial Engine used in the Poini Comfori Works, W. i. SEDGLEY, '40 Aluminum Company of America, near Port Lavaca, Texas.—Couriesy of Nord­ OF SEORGE G. YEAGER, '40 . berg Manufacturing Company. r'r' FRANK S. CRANE, '43 FLOYD M. BELLEAU. '23 WALLACE W. AGEY, '39 FOR ADVERTISERS LISTINGS, SEE PAGE 46 DALE KERSTETTER, '39

Official Organ of the Colorado School of Mines Alumni Association, Inc. Copyright 1950. Entered as Second Ciass Matter at fhe Postoffice at Denver, Colorado CF&I GRINDING BALLS and RODS under fhe Act of Congress of March 3, 1879. Subscription price $4.00 a year. Single copies 50 cents. $1.00 addiiiona! charge for foreign subscriptions. Published every month in the year by fhe Coiorado School of Mines Alumni Association, Inc. Address all correspondence, Inciuding checks, drafts and money orders to Robert W. Evans, Secretary 734 Cooper Bidg., Denver, Colo. Address ail correspondence relaiing to Mines Magaiine to Frank C. Bowman, Editor. 734 Cooper Building, Denver 2, Colorado.

THE MINES MAGAZINE 9 AUGUST. 1950 THE MINES MAGAZINE ® AUGUST, 1950 By JOHN S. SOUIHWORTH, '38 Soo North Fork, Calif. -x-r

There has not been enough study and publicity given the best and most rapid method of extracting square roots using a slide rule and an automatic calculator. This article is a step in the right direction.

Assume that the square root of 54656.67848 is desired. first Avtro^f With a slide rule and an automatic calculator available, the fastest method of obtaining the desired quantity is to aver­ True XY'S46S6.6784-a age the most accurate square root value available from the r •V Aerial view of pUnf, showing powerhouses on right and pot rooms on left. use of the slide rule (in this case 234) with a quotient (in this case 233,576) obtained by dividing 54656.67848 by 234 on the automatic calculator. The average of 234 and 233.576 is 233.788 which shows in one simple calculation more decimal places than the number of significant figures in the original square warrants and which compares very £00 300 ^OO favorably with 233.7876782 which is the desired square Figure i. root carried out to seven decimal places. If, in the above example, four new decimal places rather than three were picked up in the quotient from the calculator, the average would be 233.7877, a result of amazing accuracy. However, The judicious use of the slide rule in solving square Matagorda Bay near Port Lavaca, Texas experimentation has shown that it is usually best to pick up roots by this method obviates the use of an unsupported only as many new decimal places on each quotient as there guess and at least one division on the calculator to ordinarily Planf and Locafion ALUMINUM —ITS ORE AND SMELTING were significant figures in the divisor used to obtain that give a sufficiently accurate result at the first average, the Grading and excavation for the Point Comfort Works quotient. solution having been begun, through the use of the aided Aluminum is made by the electrolytic reduction of alu­ began in August, 1948. The first aluminum ever made in estimate, at a point comparable to the result shown graphi­ minum oxide. This reduction or "smelting" process is the Texas was poured at the works on February 11, 1950. Be­ The accompanying Table I shows an interesting truth cally in Figure 2. The final possible accuracy of the root heart of operations at the Point Comfort Works, which has tween these two dates, a modern aluminum reduction works about this method of extracting square roots. In this demon­ obtained by this method is limited only by the order of ac­ a capacity to produce about 114,000,000 pounds of alumi­ was constructed on what had been a stretch of Texas ranch stration of the original example, use of the slide rule has curacy of the original square. num per year. The story behind this production actually land. been dispensed with, an estimate or guess being used as the begins with the ore, Point Comfort Works, located on a tract of 3000 acres first "estimate" and the basic method being repeated in steps on Matagorda Bay near Port Lavaca, Texas, consists of Aiuminum Ore using each new average as the "estimate" for the next step Z60 25 buildings with approximately I8J acres of floor space. until seven decimal places (nine significant figures and the /2 One-twelfth of the earth's crust is aluminum. Although Included among these buildings are the pot rooms where ordinary limit of the machine on which the examples were aluminum compounds can be found in any clay bank, it aluminum is made; the engine rooms for the production of run) has been reached. is not practical to use such sources of the metal for econom­ electric power necessary for making aluminum; a carbon ical production. plant; and various plant service facilities. At present, the ore used commercially is called bauxite, Table I The covering of the production buildings represents the which contains aluminum in the form of aluminum hydrox­ To Obtain the Square Root of 54656.67848 largest single application of aluminum industrial corru­ ide. Because of the impurities it contains, bauxite occurs gated roofing and siding to date. The greater portion of the Example 1 Example 2 Example 3 in various colors and textures. Bauxite deposits are known aluminum roofing and siding was fastened to the buildings (Normal Estimates) (Obviously Wrong to exist in Africa, Asia, Australia, Europe, and North and by the stud welding process. Guess) South America. Much of the ore used in Alcoa's plants The modern, air-conditioned office building contains Est. 230 210 190 originates in Suriname, Dutch Guiana. In the United States, about 15,000 sq. ft. of floor space. The brick structure in­ the principal source of ore is Arkansas. Quot. 237,6 260.3 287.6 cludes such applications of aluminum as doors, windows, Av. 233.8 235.2 238.8 Some ore beds lie close enough to the surface to be mined lighting fixtures, and trim and decorative effects. Quot, 233.775 232.384 228.880 by the "open-pit" method. Other beds are so deep that shafts zzo\ Among the many other applications of aluminum found Av. 233.7875 233.792 233.840 and tunnels have to be dug in order to remove the ore. The at the works are the fence, lamp poles, and electrical con­ Quot. 233.7878564 233.7833564 233.7353681 HY'S46S6.67B46 mining method for either type of deposit is much the same ductors. Av. 233.7876782 233,7876782 233.7876840 as that used for other materials. The works has several miles of reinforced concrete pipe Quot. 233.7876724 2*0 Jtso X70 in its storm sewer system. Sanitary sewers lead to the works' Dirt and other loose impurities are removed from newly Av. 233.7876782 Figure 2. own sewage disposal plant, where a considerable amount mined bauxite by washing and screening. The ore is then Note that the final averages are identical. of aluminum is employed. crushed into pieces no larger than a walnut. After it has been thoroughly dried in great kilns to remove excess mois­ The accompanying Figures show graphically the first A concrete and steel dock was constructed at the works. ture and save transportation costs, the ore is shipped to other two steps of the third example in Table I and indicate how A channel, complete with turning basin, connects the dock In addition to its speed and accuracy, the big advantage plants to be refined. Bauxite Itself cannot be used for mak­ the method uses a trial and error procedure to rapidly bring with the Pass Cavallo-Port Lavaca channel. of this method is that it requires no special tables or tech­ ing aluminum. Pure aluminum oxide is obtained from the about an exceedingly accurate solution of the problem by The Point Comfort and Northern Railroad, a subsid­ niques. It may also be used to determine roots of higher ore, and it Is the oxide which is actually reduced. iary of Alcoa, owns fourteen miles of track between the substantially solving a pair of simultaneous first order equa­ order by increasing the number of divisional operations per plant site and Lolita, Texas, where a junction is made with While there are a number of ways to refine bauxite, the tions. The two equations are always (1) xy = K in which step and pro-rating the last quotient rather than just split­ the Missouri-Pacific Line. The railroad uses Diesel engines, Bayer process is generally used. In this process, the bauxite X and y are equal roots of K and (2) x = y by definition. ting it with the onginal "estimate." 13 12 THE MINES MAGAZINE ® AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 is first crushed to a powder and then mixed, in large pres­ electrolysis, and more paste is added at the top as required. ated by a cam on the crankshaft and are so located that gas sure tanks, with a hot solution of caustic soda. The caustic The preparation of carbon paste for use in the pots is is admitted into the path of incoming scavenging air. This soda dissolves the aluminum hydroxide but not the impur­ an important function of a reduction works, since approxi­ assures thorough mixing and eflScIent use of the fuel. A ities. The solution is filtered and the impurities, collected mately ^4 lb. of carbon is consumed for every pound of valve inserted in the gas line and controlled by a governor in the form of red mud, are discarded. High-grade bauxite aluminum produced. High-puritj'' carbon is necessary for varies the amount of gas delivered to the cylinders according is desirable because the presence of silica as an impurity the anode because impurities in the carbon contaminate both to the load on the engine. in the bauxite causes loss of some alumina and soda in the the electrolyte and the reduced metal. The carbon plant Generators red mud. facilities at Point Comfort keep the pot lines supplied with The electric generators are located in the lower level The filtered solution is then pumped into great tanks. this essential material. of the power houses and are joined to the engines by direct As it slowly cools, pure aluminum hydroxide settles out in The process of making paste starts with petroleum coke, coupling. Each engine-generator unit, with its auxiliaries, the form of fine crystals. These crystals are washed with which is ground to the required fineness in a mill. The coke operates Independently. Forty generators were supplied by water to remove soda and are then ready for the next step dust is then blended and thoroughly mixed with hot pitch. each of three manufacturers: Elliott Company, General in the process. The resulting paste-like material is delivered to the pots Electric Compan}', and Westinghouse Electric Corporation. The aluminum hydroxide crystals are fed into large_ re­ as needed. Each generator produces 1000 kw (DC) at 667 volts volving kilns and heated until white hot. The heat drives At appropriate intervals during reduction, alumina is and 125 kva (AC) at 425 volts and 24 cycles. The AC off all the chemically combined water in the form of steam. added to the molten cryolite. Electric current flowing power is used for driving the engine auxiliaries. 1'his elim­ What is left is white, powdery aluminum oxide, more com­ through the molten solution decomposes the alumina into inates the need for a common auxiliary power sj'stem and monly called alumina. its component parts, aluminum and oxygen. The oxygen Alumina is not made at Point Comfort, but it is the combines with the carbon anode and the aluminum, being basic material used in the production of aluminum. heavier than the cryolite, remains at the bottom of the pot Cryolife where it is liberated. At scheduled intervals molten alumi­ One of three engine rooms, each containing 40 engines. Gener­ Another important material in the production of alu­ num is drawn off and poured into pig form, ators and auxiliary equipment are located on lower floor. minum is cryolite, a double fluoride salt. Alumina is dis­ POWER GENERATION solved in the molten cryolite in the reduction cells so that Power for the production of aiuminum at Point Com­ operated at 360 rpm, producing 1600 horsepower. They the oxide may be reduced by the electric current. Cryolite fort has its source in the natural gas fields of 1 exas. By operate at a thermal efficiency of about 29 to 30 percent. is found in the natural state only in Greenland, but its syn­ means of generators driven by internal combustion engines, The crankshaft Is set vertically with the crank at the thetic equivalent is made. this gas is converted into the electric power required to make top. The cylinders are bolted radially to a cast frame, hav­ Reducfion Process aluminum. It takes about ten kilowatt-hours nf electricity ing a central hub that carries both the lower crankshaft Aluminum is made in buildings known as "pot rooms." to produce one pound of the metal. main bearing bushing and also the thrust bearing which sup­ Several pot rooms normally comprise one "pot line," a re­ ports the load of the crankshaft. The heavy, bolted cover duction unit in which the electrolytic cells are arranged contains the upper crankshaft main bearing bushing. The in series. governor, fuel pumps, mechanisms for g;Ls operation and I'he electrolytic cell in which reduction takes place is controls are located on this cover. Circular manifolds for a large, carbon-lined steel shell, commonly called a reduc­ scavenging and exhaust are located in the lower level of the tion pot. The pot is partially filled with cryolite, which is engine room. Intake and exhaust are timed by the pistons kept molten by means of the heat generated by the electric uncovering ports in the cylinder walls, and no valves are current. Current is introduced through a carbon anode required. which dips into the molten cryolite. The carbon lining of Balanced operation Is accomplished by use of a master the pot acts as the second electrode or cathode of the cell. gear, a stationary gear bolted to the cover, two pinions and There are various procedures in use today that employ rotating counterweights. The eleven connecting rods are a continuous, self-baking type anode, such as those used at attached to the master gear by means of knuckle pins Point Comfort. This anode consists of a large, single, rec­ mounted in bronze bushed bearings. The master gear gyrates tangular casing supported by a superstructure mounted on Instead of rotating. There Is no master connecting rod, com­ the pot shell. A carbon paste is added to the casing from the monly associated with radial type engines. top. The lower portion of the anode is baked by the high {For more details on engine, see Page 27.) temperature of the molten cryolite in which it is immersed AVhen set up for gas burning, the engine operates on and serves to carry electric current into the cell. The baked •v Exterior of powerhouse with two pot rooms in background. reduced compression, with spark ignition. Natural gas is carbon is consumed at the lower surface of the anode during admitted by cage mounted gas valves. I'he valves are oper- Inside engine base showing 1000 KW, 667 volt, DC generator. Slip Natural gas is delivered to the works at a pressure of rings provide 24 cycle power for engine auxiliaries. from 400 to 500 Ibs./sq. in. This pressure is reduced in two stages to 60 lbs. Two 8 in. gas lines connect each of the possibility of a total station interruption. three power houses with the pressure reducing station. A The generator Is used as a motor in starting the engine. regulator at each engine further reduces the intake pressure, and in actual operation, gas enters the engine at a pressure Auxiliary Equipment of about 6 lbs. Each engine-generator unit has Its own control panel, Each engine consumes gas at a rate of 13,000 cu, ft./hr. which includes engine protective equipment. Protective under load. Normally, the plant will use more than 30,000,- equipment causes the engine to shut off automatically for 000 cu. ft. of gas per day. such reasons as low oil pressure, high water temperature, Nominal generating capacity of the power plant is 120,- liigh exhaust temperature, overspeed, high generator tem­ 000 kw. Under normal operating conditions, the total out­ perature, or loss of auxiliary power. put of the plant will be approximately 2,750,000 kw.-hrs./ In addition to unit control panels, each powerhouse has day. a master control room with recording and indicating equip­ Gas Engines ment registering the operation of each of the forty engines One hundred twenty engine-generator units convert the and generators. No unit can be shut off from this master gas into electrical energy. Forty units are housed in each control room, but It provides a central point from which the of three engine rooms, one for each pot line. operation of forty units can be observed. The engines are a two cj'cle, radial type, built by Nord­ Centrifugal type scavenger air blowers, which provide berg Manufacturing Company, Milwaukee, W^isconsin. air under pressure to the engine cylinders, are driven by a With slight modifications, the engine can be adapted to gas, 100 hp. motor. These blowers supply air at the rate of 7,000 diesel fuel or dualfuel operation. .V /J cu. ft./min. The eleven cylinder engine has a 14 inch bore and a 16 V Line of elecfrolytlc cells where alumina is reduced in •v Close-up of engine showing governor, distributor, lubricator, The axial flow type, generator cooling air fan Is driven making aluminum, inch stroke. At Point Comfort, the engines are normally and gas valves, by a 7 J/2 hp. motor. The fan supplies air at the rate of i4 THE MINES MAGAZINE 9 AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 15 12,000 cu.ft./min. Along the wall behind each generator are the high speed, generator switch gear, generator control and starting equipment. Combination oil and water, engine coolers were built by The Trane Company of LaCrosse, Wisconsin. Heat exchangers for the system are approximately ISxllJ^x 3 ft. in size. The exchangers are all-aluminum in construc­ tion except for cast iron headers. Alclad aluminum alloy 3S is used for both tubing and fin stock. The tubes are arranged by means of a piston rod. This cross- in banks of three with the water tubes in front of the oil By models parts of the frame are ar­ head absorbs all the side thrust result­ tubes. JOHN E. MOODY, '39 ranged with fins for better cooling. A fan is mounted on the unit and ar­ ing from the conversion to reciprocat­ An 84 in. diameter heat exchanger fan, having six ad­ Joy Manufacturing Company ranged to blow air across the cylinders ing motion. justable blades, is driven by a 2 speed, 25 hp. motor. Oil and crank case. If It is two-stage the and water circulating pumps are driven by a common 15 Basically there are two main types The only disadvantage of this type air passes through a radiator mounted hp. motor. of air compressors, the CENTRIFU­ of compressor is its low over-all ef­ between the cylinders and arranged Each engine room has forty building air washing units. GAL, sometimes called the RO­ ficiency and its high discharge tem­ so the cooling fan can suck air through These all-aluminum units have housings 14x5x5 ft. in TARY, and the RECIPROCAT­ perature. In compressing air adiabati- the radiator then blow it onto the size. Each unit, containing thirty all-aluminum washer ING. Both of these have their place cally the theoretical discharge temper­ cylinders. cells, has an air capacity of 35,000 cu.ft./min. Water is in industry. However, due to the ature of a single stage compressor sprayed through the unit at a rate of 125 gal./min. limited application, for the purpose The main disadvantage of this type with 70 degrees intake air and 100 PSIG discharge pressure is 485 de­ Sixty cycle, 4000 volt, alternating current is produced of this report, the centrifugal type will of compressor is its higher operating grees. Actually a compressor does not by four 667 volt DC motor driven generator sets. This • Welding gas line on L.S.T, preparatory io casting off pipe. be mentioned only slightly. speed and light construction. These units have a much higher maintenance follow true adiabatic compression con­ power is for general works use. There is also a 250 volt, The Centrifugal Compressor is pri­ gathering lines. The average depth of water in the gas field cost and a shorter life. Actually the dition. The water jacket removes 250 kw generator on each set which provides power for marily used in the lower pressure is about 14 ft. life of this compressor is approximately some of the heat and the discharge cranes throughout the works. field, under 50 PSIG. However, it Work on the ofi-shore line was started in April, 1948 one-fourth that of the heavy duty type. temperature is about 385 degrees. Each engine-generator unit has its own stack, which is also used for high pressure appli­ and was completed the following October. The pipe was As in an automobile when the piston handles engine exhaust, generator cooling air, and the air cations with a varying amount of suc­ coated, wrapped and then welded in 1000 ft. sections. Next, rings start to wear, the unit uses oil. The average volumetric efficiency from the heat exchanger. 7j4 ft. diameter stacks, having an cess. Here its economical use is lim­ five of these sections were welded in 5000 ft. lengths on In the case of the compressor, this oil of a single stage compressor is about overall height of 50 ft., were made from ji in. aluminum ited due to a stalling characteristic dollies placed on greased launching tracks. River weights is pumped out into the air lines in the 71% and it takes an average of 22.4 sheet. The all-riveted stacks were fabricated on the job. under partial loads. This type of com­ and buoys were attached to the pipe, and the sections were plant. BHP to compress 100 cubic feet of Eiecfrica! Conducfors pressor is normally controlled by pulled into the water by tugs. air. Practically all electrical conductor in the works is alu­ throttling the intake. Being similar Off-shore welding was done with the pipe held out of The use of this compressor is minum. Approximately 5)4 million pounds of aluminum in design to a fan, throttling of the There are many advantages of the the water by an outrigger at the stern of a converted L.S.T. limited to intermittent work. It can bus conductor alone was used. The bus is arranged in three intake causes the unit to stall. This heavy duty water cooled compressor and by the boom of a dragline extending beyond the bow of be used very effectively for standby 5,000 ft. circuits, each including one powerhouse and one stalling characteristic results in high over the air cooled type but these are the boat. After the welding was finished, the buoys were protection and for Intermittent jobs pot line. The bus joints were made largely by the inert gas H.P. at partial load and the type is no principally longer life and lower cut free and the pipe was allowed to sink. where it will run only a small per­ shielded arc method of welding, and a complete welding shop longer competitive with a reciprocat­ maintenance cost. A control and metering station, built well above the centage of the time. It is used on con­ was set up on the site for this purpose. The main bus con­ ing compressor. There is also indica­ water level, is located on a platform constructed of creo- struction jobs and in industry where Multiple Stage sists of 22 aluminum bars, each having a cross section of tion that the maintenance of this type soted piling. The gathering system, which includes lines there is no water or where there is 'Iliese units are found in the larger fix 10 in. of compressor is increased when it from eleven wells, leads to a 12 in. header on the platform; danger of freezing. Because of its plants and run in sizes from 50 HP Aluminum wire, cable and conduit were also used ex­ runs under partial load. This limits the header, in turn, discharges into the 8 In. transmission lower first cost, it is sometimes pur­ to over 1000 HP. Although in arriv­ tensively. Because of their resistance to atmospheric corro­ its economical use to large installations line. Meter runs on the platform are in parallel, and the chased for jobs which will only last ing at high pressures, multiple stages sion, aluminum towers and substations were used for the where reciprocating compressors can entire station layout is compact. a short time. However, frequently it are used, for the purpose of this re­ 4,000 volt, auxiliary power distribution system. be used to trim the load and the cen­ is bought for continuous use strictly port, only the two-stage unit will be trifugal compressor is allowed to op­ because of its low first cost and with­ discussed. This type of compressor is erate under full load all the time. NATURAL GAS SYSTEM out giving consideration to future just what the name implies. The air maintenance and life. is compressed to its final pressure in Except for short periods during World War II and The Reciprocating Coinpressor can two stages. It is taken into the low the early days of the industry, hydro-electric power has al­ he broken down into two main types, WATER COOLED COMPRESSORS pressure (the larger) cylinder at at­ ways been used for the production of aluminum in Alcoa's the AIR COOLED and WATER Single Stage mospheric pressure and temperature. plants. Since low cost electric power is an important con­ COOLED. Both of these can be It is there compressed to about 27 sideration in making aluminum economically, the industry further classified into two categories, The heavy duty single stage com­ PSIG and discharged into an inter- is constantly looking for new power sources. It was for this the single and two stage. These will pressor is most commonly seen in the cooler. Here the air passes around a reason that the Point Comfort area, with its natural gas, be discussed further as follows: small factor)'. This type is built in number of copper tubes through which was chosen for the construction of Alcoa's new reduction sizes ranging from 15 to 100 HP. By AIR COOLED COMPRESSORS cooling water is flowing. This reduces works. single stage is meant that air is taken the air temperature to approximately These are normally two stage and into the cjdmder at atmospheric pres­ The Lavaca Pipe Line Company, a subsidiary of Alcoa, room temperature and it is then drawn as their economical and useful appli­ sure and compressed to the final dis­ was organized for the purpose of operating the pipe line into the high pressure (smallest) cyl­ cation is limited, no further subdivi­ charge pressure in one step. This type necessary for gathering and distributing the gas to be used inder, where it is compressed to its sion will be made in this report. of compressor is normally double act­ in the works. final pressure, usually 100 PSIG and ••• Gas Control and metering platform in Matagorda Bay, This type of compressor is designed ing, compressing on both sides of the Gas is received from both on-shore and off-shore wells. discharged into the receiver. similar to the automotive engine. It is piston. It is heavy duty and con­ One pipe line, built in the fall of 1949, runs between the Magnesium anodes for cathodic protection were in­ single acting, compressing only on the structed of heavy cast iron. The cyl­ Point Comfort Works and the Francitas Gas Company's stalled at the shore end of the line, at the metering plat­ upward stroke. Thus the bottom of inder walls are thick and surrounded The two-stage air compressor ac­ rec5'cling plant near Francitas, Texas. There are approxi­ form and at several intermediate points on the line. the piston is exposed directly to the with an efficient water cooling jacket. complishes the following: Reduces mately 11 miles of 10 in, pipe and Syi miles of 8 in. pipe One experimental gathering line consists of about 4,000 crank case. The connecting rod con­ The cylinder is separated from the final temperature, reduces power con­ in this line. ft. of 4 in. aluminum pipe instead of the steel pipe used for verts power direct from the crank­ crank case by a distance piece which sumption, partially eliminates en­ the rest of the system. One half of this aluminum line was Another line, consisting of 7)4 miles of 8 in. pipe, ties shaft to the piston. The bearings and prevents oil in the crankcase from en­ trained moisture and increases volu­ left bare and the other half was wrapped in the usual way. into the off-shore line in Matagorda Bay, cylinder walls are lubricated either tering the cylinder. metric efliciency by reducing the clear­ The main underwater line, in Lavaca and Matagorda On-shore and off-shore lines terminate at the pressure from a force feed or splash system. ance and expansion loss. Generally pis­ Bays, consists of approximately 14 miles of 8 in. pipe, about reducing station located on the reduction works site. The cylinder walls and on some The connecting rod transmits power ton loads are below those which would 12J/2 miles of it under water. In addition, approximately The system supplies the 30,000,000 cu.ft. daily require­ from the crankshaft to a cross head, be found in similar sizes of single 9 miles of 4 in. and 6 in, pipe are used for the off-shore ment for gas at the works. * Presented at Great Lakes Power Club, Fort stage ujiits. Wayne, Indiana, May 26, 1950. which in turn carries it to the piston 16 THE MINES MAGAZINE 9 AUGUST. 1950 THE MINES MAGAZINE ® AUGUST, 1950 17 APPLICATION The two-stage air compressor has It should never be hard to decide ploye's basement. Air tools do not free air, the non-lubricated or carbon ard air compressor, part of the piston definite advantages in its overall ef­ between the AIR and WATER Today compressed air is almost as create this temptation as few people ring compressor came into being. At rod which passes through the crank ficiency. The volumetric efficiency COOLED compressor. If the unit essential to the operation of a plant have air compressors in their homes first, work along this line progressed case also enters the cylinder. This rod averages about 85% while it only will run eight or more hours a day as electricity, water and fuel. Prac­ to operate them. In some plants such very slowly due to the high mainte­ has a microscopic film of oil and some takes an average of 18.8 BHP to com­ for more than four years, a person tically every plant has an air com­ as radio manufacturers, high cycle nance problem connected with the of it is bound to be wiped off in the press 100 cubic feet of air. Comparing should never buy an air cooled com­ pressor of one size or other. The air electric tools interfere with the test­ rings. The primary difficulty encoun­ cylinder. To prevent this a longer these figures with the single stage com­ pressor if water is available. The line is piped throughout the plant ing of radios and pneumatic tools must tered was the wearing of the rings. piston rod and distance piece is used pressor, the final discharge tempera­ short life and high maintenance cost along with water and steam. In spite he used. Horizontal compressors, which al­ which prevents any part of the rod ture is about 265 degrees F. will be the deciding factor. of the heavy demand for compressed lowed the piston to drag on the cyl- that has been in the crank case to enter The only disadvantage of the two- The Air Cylinder inder wall were in their nature alone the C5'linder. In choosing between the single and air and for its ever increasing use, this stage air compressor is the higher first The machine tool industrj' has objectionable. two stage air compressor, more is the most inefficient power found in The use of non-lubricated air being cost compared to that of the single the industrial plant. iound many uses of the air cylinder on thought will have to be given to this To overcome this some manufac­ stage unit. their equipment—some of these being new to the industry, creates a lot of decision. Jn sizes running from 15 to turers added an extra stuffing box on It is not meant that compressed air the automatic chuck, air clutch, small unknowns. One of these, which can­ Cost of Compressed Air 50 HP, there are no two stage units the far end of the cylinder and an ex­ is inefficient in its work. It is based punch presser, spot welders, and many not be answered definitely right now, so only the single stage compressor Before final selection as to the type only on the ratio of energy used to tended piston rod. This acted like an is the life of the air pipeline. In the can be purchased. However, from 50 others. of air compressor is made, consider­ manufacture the compressed air to outboard bearing which apparently standard air compressor installation, to and including 100 HP sizes, both The air cylinder is used equally as ation should be given to the cost of that energy arrived from the com­ was effective to a point. However, it a mixture of oil and water enters the the single stage and two stage com­ well for driving as it is for lifting. compressing air. pressed air itself. One very good ex­ was still necessary for the operator to pipeline with the air. This oil forms pressors are built. Above 100 HP only In the form of a pile driver or drop tear down the compressor every few Although air cooled compressors ample of this is the air motor. Here a film around the inside of the pipe the two stage air compressor is man­ forge, it has replaced steam to drive. hundred hours and turn the piston a are normally two-stage and their vol­ it takes a 60 HP electric driven air and prevents oxidation. In the non- ufactured. The air hoist of the air cylinder type quarter of turn. This distributed the umetric efficiency is around 85%, the compressor to operate a 10 HP air lubricated system, the lack of oil may is used to lift objects and to open and wear on the rings. In order to speed HP per 100 CFlM is equal to or motor. Another example is the air decrease the life of the air line greatly. The hardest decision to make is on close large heavy doors. up this operation, special heads had higher than that of the water cooled cylinder. Here the ratio is a little bet­ W^ater and air cause oxidation and compressors between 50 and 100 HP to be designed. single stage compressor. Accordingly, ter—about 4 to I. both of these are present in the line. size. Two factors should be taken into Free Blowing of Air for the purpose of this report the cost This being the case, the installation consideration—local energy cost and Why then is compressed air so much The vertical or semi-vertical com­ of compressing air by air cooled units Some of the uses are sand blasting, of non-lubricated compressors should number of hours the unit will be op­ in demand? The primary advantages pressor lends itself to the carbon ring can be considered equal to or slightly paint spraying, pneumatic conveying, also include galvanized air pipe lines. erated per day. of compressed air over electricity and application much better. This is only higher than that of the luater cooled cleaning of? equipment, air ejection stage compressor. steam are these: It is llexible; unlike on rapid punch presses and many natural as the drag on the cylinder CONSERVATION OF AIR A look at the power bill will show electricity an air motor cannot be dam­ wall is much less and in the full ver­ others. It has been shown that compressed Listed below are operating costs, the energy cost. This is usually pro­ aged when it is overloaded and stalled. tical compressor it is practically elim­ air is expensive, accordingly every based on dollars per 1000 cubic feet rated and decreases as the volume of Unlike steam, air does not lose its Of these three the air cylinder is inated. means should be taken to conserve this of air for the HEAVY DUTY energy used goes up. If an additional power in transportation. It is safe, the most economical with regard to air and see to it that leaks and waste TYPE OF COMPRESSOR. air compressor is being added to the needing no special installation such the consumption of air. Normally this At first the demand for this type are eliminated. Frequently, when the Single Two plant, then one can say that the energy as the power line. It is cool and will is a positive displacement action and of compressor was limited to the food compressor is overloaded, it is not nec­ Stage Stage consumed by this compressor can be not burn as the steam pipe does. Then the amount of air required can be industries but in the last few years, essary to buy a new one. Sometimes Energy cost - .$,0331 $.0265 charged off on the lowest scale. How­ there are many things which can be calculated if the volume of the cyl­ many other industries are trying it out. Operating and as much as 25% of the entire com­ ever, the only fair way to record the done with air that cannot be done inder and number of operations per The Central Power Station was quick maintenance .0200 .0200 energy cost is to take an overall aver­ minute are known. It should be re­ to take advantage of this t3'pe. In using pressor output is being lost in leaks. Depreciation ,0110 .0118 either by electricity, steam or hy­ age cost of the plant and charge that membered, however, that compressed compressed air for instrument control, A lot more is probably being wasted. $.0641 $.0583 draulic power. to the compressor. air at 100 PSIG has a compression a great deal of trouble had been en­ These figures were arrived at by LEAKS in an air compressor in­ XJse of compressed air falls into ratio of % that of free air. countered when oil got into the air. taking an average energy cost through­ stallation can occur anywhere. These three major categories which will be Now most Central Stations are install­ out the Midwest and placing it at $.01 When this is obtained then the op­ are more frequently found in old pipe­ discussed below. There are many other The most uneconomical of the three ing small units-, approximately 30 HP per KWH. In some localities such as erating cost for either a single stage line installations. Usually they are special uses which properly cannot be is the free blowing of air. Here a large in size. central and Northern Wisconsin, this or two stage air compressor can be found in the pipe fittings such as coup­ classified in any of these three cate­ amount of air is usually wasted. In figure will be low, while in Central accurately figured. This will amount lings, tees, unions, elbows and valves. gories but for the most part, one either spite of this many jobs can now be During the last few years other in­ Indiana this figure is high. to so much an hour and then knowing The air hose is a common place for uses compressed air in a pneutiiatic accomplished that could never have dustries such as chemical companies, Small compressor installations never the number of hours a day the com­ leaks to occur. The hose itself might tool, an air cylinder or he uses it in been done. Many other jobs can be television tube manufacturers and food have an, operator tending them full pressor will operate, the amount saved leak but more often the nozzle or the free blozuing. done faster. container manufacturers have installed time. To arrive at some average fig­ over a period of a year can be arrived pneumatic tool on the end of the hose non-lubricated compressors in their ure it was estimated that an installa­ at. At the same time initial costs of SPECIAL APPLICATIONS is leaking. Packings on air cylinders both the single and two stage com­ plant. tion of 400 HP size, or 2200 CFM The Pneumatic Tool Special applications of compressed are always a source of trouble. would require a man's full time. pressor should be obtained. If the sav­ This is one of the oldest and most air are found in the use of the nun- Most of these companies have both Smaller and larger sizes have been ings in operating cost in the two stage popular uses of compressed air. In the lubricated air compressor which de­ the standard air compressor and the In order to stop these leaks a fre­ pro-rated on this basis. Wages were compressor is enough to pay off the quarry the old steam driven rock drills livers oil-free air. By non-lubricated non-lubricated units. However, at quent check of the air compressor in­ pegged at $1.75 an hour. Lubricating difference in first cost in l^ss than five were soon converted over to air. Most it is meant that no oil is allowed to least one company in one of their new stallation should be made. As the oil and cooling water are figured in years, then the two stage compressor of these tools listed below are piston enter the cylinder. This called for a plants has gone over to non-lubricated noise of operating machinery hides the operation cost. Maintenance was should be purchased. operated—some are the vane type. special design which resulted in the air 100%. the sound of escaping air, a thorough figured at a flat $.005 per 1000 cubic use of carbon piston rings. check can best be done while the plant feet. This still allows for a small This, of course, is looking at the A few of these are: the screw Because the demand for this type is shut down. A good procedure for In the early '30's certain industries amount of overtime if it is needed. picture from a long range stand point. drivers, wrenches, chipping hammers, of compressor has been accelerated making this check is as follows: It is known that some management grinders, nail drivers, riveters, rock were well aware of the limitations of Depreciation was calculated on the during the last j^ear, a good deal of will not buy any piece of machinery drills, concrete breakers and many their compressed air plant. Breweries basis of 100% writeoff in 15 years development work is going on right Start up the compressor and make that is more expensive unless it will other mining and contracting tools. and food industries found that oil in time. now. In a cylinder where no oil is used a tour through the plant turning off Most of these could be replaced by the air was spoiling some of their prod­ pay for itself in two years. Others for lubrication, steps should be taken all valves and fittings that are using electric driven tools. However, ex­ ucts. A great deal of time and money Fina! Selection won't buy it regardless of the savings. to prevent corrosion. One manufac­ air. These can easily be found be­ perience has proven that the pneu­ was spent trying to manufacture a fil­ The type of compressor to be pur­ They are only interested in first cost. turer is now using chrome plated cause escaping air makes a very dis­ matic tool is much more dependable ter or separator which would elimin­ chased should take all the above sub­ Thus some air cooled compressors are liners in their cylinders and stainless tinctive hissing noise. Return to the and the maintenance cost is much less. ate oil from the air. Although some jects into consideration, whether it is bought when they could not otherwise steel valves and piston rods. One other compressor room and watch the pres­ Small electric tools operating off 110 of these traps worked to a certain ex­ air cooled or water cooled and if the be justified. Many large single stage change in design which has become sure gauge on the receiver. If this volt have a tendency to stray away tent, none of them were perfect. latter, whether it should be single or air compressors are bought instead of necessary is the length of the piston falls off rapidly and the compressor is the two-stage unit just for this reason. from the plant and end up in an em- two stage. In order to produce absolute oil- rod and distance piece. In the stand­ forced to pump more air into the sys-

18 THE MINES MAGAZINE ® AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 19 tern, then it is known that leaks do In places where air is used for testing He went on to state that management occur. To find these leaks, follow the tanks, etc., foot valves should always would not allow any overtime and air line through the plant. Listen for be used so the operator can readily there wasn't time during the normal the sound of escaping air. Hold your shut off the air while he is reaching days operation to do this work as both hand over the end of the nozzles and for another tank. compressors were operating continu­ gates needed to build this giant hydro­ replaced Its six-mile underground rail­ pneumatic tools and particularly ously. By A word of caution should be in­ electric power project. road with a belt conveyor system. To­ check valves with open connections. HAROLD VON THADEN jected at this point. Some manufac­ In the morning a trip around day, this system regularly delivers up­ turers actually have become too cau­ Sand and Crushed Rock wards of 1800 tons of coal an hour Leaks found this way should be cor­ the plant was made to look over the To illustrate materials handling tious in the use of air. Today, the Another phase of conveyorization from the work facings, through a rected as soon as possible. Some of pipe line to find out how the air was magic, I should like to point to a few price paid for labor is more than in the aggregates field is well depicted mountain, to waiting barges on the them can be taken care of while the being used. This being a steel fabri­ examples of belt conveyors in action. double that of a few years ago. At in this area by the conveyor systems Monongahela River, This was more plant is in operation but a lot of the cating plant, most of the air was used Then I would like to explore what the same time, power cost, electricity, at the Federal and Buffalo crushed than a major achievement In heavy work will probably have to be done in pneumatic tools. For every five I believe are the three most promising has actually gone down. As shown stone companies, the Genesee Sand materials handling — this was the over the week-end or at night. A tools in the plant, two were in oper­ newer fields in which belt conveyors earlier in this report energy cost rep­ and Gravel Company and the Leroy proving ground of an entirely new good time to make this type of check ation. The other three were laying can, and will, benefit industry. resents over half the cost of compress­ Lime and Crushed Stone plant not mode of transportation. A similar in­ is during the normal two-week vaca­ on the floor and in a lot of cases air The building of our great dams in ing air. In certain types of jobs the far from here, as well as at the com­ stallation notable for Its single con­ tion. This will give plenty of time to was leaking through the valves. Be­ the West to produce hydro-electric conserving of air will actually increase panies, like Buffalo Sintering and veyor with 10,900 foot centers, is go. over the entire pipe line stopping fore any further check was made the power, with which Buffalo is so richly the length of time to do the job. When BufSalo Slag, who turn slag into roof­ going into operation shortly near the leaks. plant engineer was told that probably and naturally endowed, gave the belt ing and road-building materials. this happens then management is pay­ 20% of his compressed air was being conveyor one of its finest opportunities Morgantown, West Virginia. Even after this type of check is ing more for their production cost. lost in leaks. It was also pointed out to prove its worth in a most spectacu­ On the coast of Southern Chile a made and the leaks corrected, there For this reason careful tests should that barring any broken valves or lar way. In fact, the whole idea for Grain Industry remarkable convej'or installation Is will probably be a lot of small ones be run to find out just how much air piston rings in the compressor, the super-long convej'or lines may have Another industry that is important at work today in a coal mine some which cannot be heard or felt. To is required to do the job without any only thing that could cause a drop in been born with the construction of to Buffalo and to conveyors is the three hundred feet under the bed of find these, go over the connections loss of time. efficiency was dirty valves and the air these dams, grain industry, both in its elevator and the ocean. Through a mine tunnel with soapy water. filter. Either one of these could de­ flour and feed stages. running out under the ocean a 4700- crease the overall efficiency of an air Shasta Conveyors Large grain elevators like Stand­ foot belt conveyor hauls coal back to OVERTIME VS. PREVENTATIVE WASTE OF compressed air usu­ compressor ten to fifteen per cent. The longest conveyor system ever ard, Canadian Pool, and Concrete the shore line where it is passed on MAINTENANCE ally results from careless operators and operated was constructed at Shasta, Central are completely conveyorized a series of slope convej'ors through can only be corrected by strict policing on the Sacramento River in Cahfor- Today, due to the high cost of labor, During the noon hour when the en­ and can handle tremendous quantities a four thousand foot tunnel up to the of the system. Wasting of air means nia, where a ten mile belt conveyor many plants are eliminating all tire plant was down and no air was be­ of barley, wheat, corn and oats on preparation plant 600 feet back of the that more is used than is required. system was able to handle the 12,000,- overtime which is not absolutely nec­ ing used for production, a check was belts at an average of 18 to 20 thous­ water's edge. Here it is cleaned and Sometimes this is very hard to deter-- 000 tons of aggregates at a cost ap­ essary. Unfortunately, some plant made of the above statements. First and bushels an hour. Often the con­ sized for transportation to the docks mine and can only he done by actual proximately one-third below the rail­ managers feel that preventative main­ the compressor which had recently veyors serve another purpose, for for export all over the world. tests. road. Before deciding on a conveyor, when stored corn or wheat generates tenance on air compressors is unnec­ been cleaned was operated. It was To date some 1000 miles of belt essary. Normally in these same plants engineers had estimated that aggre­ too much heat, it is put on belts and Some of the more common places found that exactly 20% of the entire conveyors have been installed in our the compressor operates continuously gates would fill six freight trains a day run around the sj'stem until it cools where air is wasted are as follows: plant's compressed air was being lost mines, leaving 4000 miles to go for and the operation would require the down. and with the exception of the noon in leaks. This amounted to 128 complete conveyorization. This first Air ejectors in rapid punch presses; building of many spur lines and sid­ hour, there is no time that mainte­ CFM. After this check was made, the step, however, has already helped in­ ejection of chips from lathes; failure ings, making the project too costly for Often the operation is continuous. nance work can be done. second compressor, which was the crease production to six tons of coal to use foot or cam operated air valves; a railroad to attempt. Grain is pulled up from the ships on allowing nozzles in sand blasting oper­ newest of the two, was operated in a marine leg conveyor, elevated and per man-day, while England turns out An example of how inconsistent ations to become worn. order to check it against the clean one. run through an empty bin to he a little over a ton a man-day and Ger­ this can be was found in a Chicago Grand Coulee Conveyors It was found that this compressor put weighed, and immediately discharged many and France less than that. plant. There were two 75 HP single At Grand Coulee in Washington, One of the most frequent means of out 34 CFM less than the clean one. into waiting railroad cars in a single Throughout the industries that de­ stage compressors—one being a couple the only practical means of transport­ wasting air is to use it for cooling This represented about 11% of its rapid conveyor movement. In one in­ pend upon coal, belt conveyors are of years older than the other. Last ing construction aggregates was on a purposes. In the summer time a con­ output. stance. Marine Elevator began work today making themselves indispensible. winter the plant manager became straight-line belt conveyor, with sec­ stant check must be made to prevent on a shipload of 458,000 bushels of One of the largest coal and coke hand­ alarmed because the air pressure was tions averaging 1000 feet in length, this. Men find that by cracking open Knowing that single stage com­ harley at seven o'clock in the morning. ling installations in the country oper­ falling oB and as far as he could see, that carried 1000 tons an hour and an air valve and allowing the expand­ pressed air costs about $.064 per lOOO By 11:45 that night the grain was ates at the Donner Hana Coke Cor­ his production was actually lower finally spanned the river on a low- ing air to blow over them, they have cubic feet, it was shown that leaks in loaded in 250 railroad cars and-every­ poration, where one hundred percent than it had been a few months before. cost, 3500-foot suspension bridge. A a very eifective cooling sj^stem. It is this plant were costing them $3,98 an body was ready to go home. That day conveyorization insures the produc­ Accordingly, he rightfully reasoned second conveyor system removed the much cheaper to buy fans. hour and the dirty compressor was they had loaded about 15 car-loads an tion of vital fuel for industry in the that less air should be used, so a check principal excavation at a rate of 4000' costing them $1.01 an hour. The hour! Niagara Frontier, At the Semet-Sol- To prevent this waste it is a full of his installation was made by the tons an hour. Had this operation been plant operated about 16 hours a day. vay plant a belt conveyor picks up time job. Tests should be run to find compressor manufacturer's represent­ attempted by truck, it would have re­ From grain and flour to coal and coal directly from barges on the river, out just how much air must be used to ative. quired a super-highway some three iron ore is a long gap, but it is bridged In order to go over one of these tunnels under a road, and carries it to do an efficient job. Care should be miles long, filled with trucks operat­ by the ever-present belt conveyor sj's­ compressors completely cleaning the the works half-a-mile away. In both taken that the volume of air is not In the morning while the plant was ing continuously about a hundred feet tem. Conveyorization in the mines valves and the air filter, it would take these installations the same conveyors reduced to a point where efficiency is operating the compressors could only apart. has become as essential to greater about a total of eight man hours. Fig­ reverse themselves and transport the hurt. In the case of air ejectors, cam be inspected from the outside and uring this on the basis of $1.75 an productivity as it has in the flour and Bull Shoals Dam finished coke. operated valves should be used so air is from all outward appearances, they hour at time and a half, it would cost feed mills of Washburn Crosby and After these successful and cost sav­ only allowed to blow when the stroke were in good condition. It was, how­ them about $21.00. In less than two General Mills. As labor production ing experiences, it was natural that of the press is completed and the ob­ ever, noticed that the intake filters days time this plant was losing enough costs in the mines rise and as the de­ Industrial Plant Materia! Handling the same system be used in the con­ ject is ready to be ejected. The were inside of the room and on one money to pay for a good cleaning of mand for coal increases, the necessity The Bethlehem, Republic and struction of the Bull Shoals dam in amount of air consumed should be reg­ installation, this filter had become so their compressor. Yet management for more mechanization increases too. Wickwire-Spencer steel plants in this Arkansas, Today a seven-mile con- ulated so that just enough is used to dirty that it was super-saturated and would not allow this even after four And the mechanical mining devices for area are all convej'orized for handling veyor^the longest now in operation eject the object. In the use of air for dirt was falling onto the floor. months. digging more coal cannot operate un­ bulk materials as well as for handling blowing chips away from a lathe, The operator mentioned that one of —is rolling steadily at the job of mov­ less there is continuous removal of the steel. For Bethlehem, designs are pro­ ing about 4,000,000 tons of aggre- checks should also be made to deter­ the compressors had been gone over The surprising thing about the coal. gressing for a system of conveyors and mine the minimum size copper tube about four weeks previously and all vibrating machinery for transporting leaks in this plant was that they were ^ Part of an address by Haroid Von Thaden, that can be used. Many plant engi­ the valves and the filter had been so located that most of them could Vice Presitleiit of IIcivLtt-llohins Incorporated and Coal Mining and sizing ores, coal and coke that General Manager of Robins Engineers Division, neers then crimp the end of the tube cleaned. The other compressor had not have been corrected during normal before the Engineering Society of Buffalo, Statler As long as twenty-five years ago, will make up the largest and most so as to decrease the size of outlet. been touched for at least four months. operating time. Hotel, Buffalo, N. Y., Thursday, April 20, 1950, modern sintering plant in the country. 8:00 P.M. a large coal company in Pennsylvania 20 THE MINES MAGAZINE ® AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 21 On a somewhat smaller scale, al­ are: long lines belt conveyors; the Riverlake has the support and en­ Processing, in a general sense, can designed to blend coal for the steel­ Many forward steps are being un­ though everj' bit as successful, coal processing of raw materials ; and mari­ dorsement of both management and mean a material entering a plant as makers. dertaken today by both private com­ labor in most of the industries in the a solid, passing through several stages panies, and municipal port authorities yards such as Hedstrom, Yates-Lehigh time convej'ors. Blending of coal is most important area to be served by the sj'stem. Al­ of transformation, and emerging as toward the modernization of our port and Bettinger, use one or two main to the steel industry, where full pro­ In long lines belt conveyor sys­ though legislation affecting a right-of- a liquid-—^all in a continuous motion. facilities and in the development of conveyors operating in conjunction duction means an average of 203 tons tems we have one of the most imagina­ way was tabled in the Ohio Legisla­ In a specific sense, it can mean the new designs in cargo carrj'ing ships. with elevators for easier and quicker of coal per minute for 24 hours a day. tion-provoking—as well as one of the ture last year, a major effort to have flow of coal leaving a mine and enter­ This Is just surface scratching, how­ handling. The high rate of mechanization nec­ most practical—• projects in present- the bill passed will be made at the next ing a preparation plant to be sized, ever, for we have a long way to go essary in the coal mines today produces Two other local industries that day transportation. These belt con­ session in 1951. crushed, washed, blended and deliv­ before we can feel satisfied that our a coal that is widely variable In con­ duplicate the national picture in rely­ veyor sj'stems that would carry bulk ered in the form and at the rate re­ waterborne cargo carrying facilities The advantages and economics of­ tent. However, to compete success­ ing on conveyors for economic hand­ materials for hundreds of miles over­ quired to be burned to generate elec­ have reached their peak of efficiency fered in support of Riverlake are those fully with one another and to produce ling of materials are industrial chem­ land maj', in time, completely revolu­ tricity. and development. inherent in all belt convej'or systems. steel at a profit, steel mills must work ical plants and power stations. Buf­ tionize certain segments of our pres­ I should like to touch on them briefly One of the main cost-saving factors at an operational efficiency peak. They For example, it is estimated that falo Electro-Chemical and Hooker ent transportation sj'stem. in passing. of processing is the engineering of the must function within the narrowest some two million tons of general Electro-Chemical among the former installation so that the material moves possible range of variation In raw ma­ cargo are now bj'-passing one East group, and the Niagara - Mohawk Riverlake Belt Conveyor Line Advantages of Conveyor Systems continuously through the plant at a terials content. Thus a blending sj's­ Coast port because of a lack of ade­ Power Company's Huntly Station— Conveyor systems offer the lowest controllable rate. Thus the belt con­ tem incorporated in their coke plant's quate port facilities. This situation is largest in State—and the new Dun­ The most ambitious of these proj­ cost-per-ton transportation for bulk veyor becomes important and neces­ conveyor sj'stem becomes almost a being repeated all over the country In kirk station all are conveyorized. ects is the proposed Riverlake Belt tonnages. As tonnages rise, the cost- sary to the operation. requisite. many ports where our domestic fleet Conveyor Line—a $210,000,000 two- per-ton drops. operates. The cost of loading and un­ Belt conveyors are not limited to Blending Materials way belt conveyor that would con­ Steelmen will be watching this j'ear loading general cargo has crept higher carrying huge quantities of rugged Whether a conveyor is carrying Possibly the most valuable form of nect Lake Erie and the Ohio River, the installation and initial operation and higher, until today it consumes materials for long distances. Soft maximum or minimum loads, it re­ processing at work today is the sj'stem carrying iron ore south and coal north of this first sj'stem for blending cok­ at least fifty per cent of total operat­ goods like bulk and bagged sugar, sul­ quires the same minimum equipment by which raw materials of varying at a saving of between twenty and ing coal at the John Sumners Works, ing costs. These operating difficulties phur, nitrates and fertilizer arc all and personnel. grades are blended to produce a more forty-five million dollars a j'ear. one of England's largest steel plants. are partly responsible for the fact that transported on conveyors, as are bag­ uniform product for further use. Its installation, operation, and As the carloads of coal of varying In the past ten years our domestic salt gage and dishes in .hotels and spinach These sj'stems are designed to make This sj'stem would extend for 103 maintenance costs are lower than anj' grades of high and low volatility en­ water merchant fleet has declined in food processing plants. Often a very a true blend of uniform quality, miles from the port of Lorain on Lake other type of overland common ter the plant, the sj'stem immediately from 470 to 175 ships, according to ingenious use of a belt opens up a new rather than an ordinary mix. There Erie to a point on the Ohio River carrier. takes charge. The different grades of the United States Maritime Commis­ field to conveyors and exemplifies the seems to be some confusion about the near East Liverpool, With spur lines coal are first distributed by convej'or sion. varied problems that are solved every It can travel in a straight line, fol­ serving Youngstown and Cleveland, difference between the terms mixing in thin layers running the length of day by the conveying industry. lowing the contours of the land to and blending. Perhaps the advertis­ the total system would measure 130' long piles or beds. When the beds Bulk Cargo Handling grades as high as 34 per cent. ing boys who tell us how they blend miles. Composed of some 172 sections reach the required height, a reclaimer Gentlemen, 1 feel the answer to The Norton Laboratories, a plastic A framework of structural steel or our tobacco and our whiskey are to of separate belts, as presently designed, goes Into operation. This machine has these high cargo handling costs, and manufacturing firm, had .some diffi­ blame for the mixing of the two terras. Riverlake will include the most mod­ timber is sufficient, for the heavy ton­ a large harrow-like face, the size of therefore the solution to one of our culties caused by too much reflection ern dockage facilities on the Lake and nages carried travel in a continuous A mix is merely the combination of the cross section of the bed. Working maritime industry's most pressing from a certain section of moulded plas­ a preparation plant for washing and flow; therefore no costly bridges are two or more materials. A blend is into the bed lengthwise at about four problems, is a conveyorized dock in­ tic camera part they were making. grading coal enroute. Stockpiles will needed to span rivers, ravines, high­ combining them to produce a final feet a minute, the harrow rakes down stallation for handling general cargo. Sandblasting by hand to rough up the be constructed to enable mines to work ways or railroads. product in which each sample contains coal simultaneously from each layer surface of one area of the part, while Already we have made great strides a year-round schedule. an exact proportional amount of each of the bed. As the coal piles up at the leaving the remainder smooth, proved A belt convej'or can—and usually toward lowering both bulk and pack­ of the component materials as they base of the reclaimer, a convej'or col­ to be too expensive. Bj' taking their does •—• operate continuously without aged cargo handling costs bj' the use Running straight toward its objec­ appeared in the original mass. lects the fully blended material and problem to the J. M. Cranz Company, time lost for loading and unloading, of conveyor sj'stems. The task will tive, over hills and through vallej's, carries it to a belt convej'or for trans­ Hewitt-Robins distributors in this for starting and stopping. For a number of years some of our not be a simple one, but I believe the the two-belt system will be encased portation to the coke ovens. Thus the area, they came away with a 30-foot leading steel companies have been materials handling industry is well in a metal cylinder and elevated over Critics of Riverlake popped up as blends that go into the ovens are al­ conveyor belt cut with windows ex­ using a blending system by which iron equipped to design convej'or systems twenty feet from the ground. Ingen­ soon as it was announced, but none waj's phj'sically and chemically sub­ actly fitting the area of the part to be ores of high and low grades are com­ that will handle any sort of cargo with ious design at the junction points of of them could challenge it seriously stantially the same. sandblasted. The camera parts rode bined to produce an amazingly uni­ the same ease and economy that we the separate flights permits the north­ along practical and feasible engineer­ along the belt; the exposed portions form product for the blast furnaces. now handle tons of iron ore and boxes bound belt carrying coal to flip over, ing lines. In this country where we Further possibilities for coal blend­ took a sandblasting from below; and When the ore is properly blended the of canned pineapple. after it has passed on its load, and already have extensive transportation ing sj'stems strike the imagination the finished products were neatly dis­ rarity of burden changes, such as become the southbound ore-carrying facilities and in other countries where when one thinks of chemical plants The problems presented in handling charged into boxes at the far end of limestone and coke, is remarkable. belt. current transport is inadequate, I be­ using coal, by-product coke plants and general cargo are formidable for it ap­ the line. lieve, long-line conveyor systems are The job of altering the basicity of the blending of coke itself for various pears at the dock In every conceivable The savings on transportation costs the bulk cargo carriers of tomorrow. the materials going into the furnace large-scale uses. With proper blend­ shape and size—from pickle barrels Three Promising Fields anticipated by this system are amaz­ I mentioned before that the con­ is greatly reduced. ing, public utility steam generating to steel structural shapes. New types ing. At a maximum yearly tonnage of stations would find they could produce veyor idea was not new, but that some Since the introduction of this blend­ of conveyor sj'stems must be designed These, then, are some of the prob­ 32,000,000 long tons of ore going more steam per pound of coal con­ of its applications were not only new, ing sj'stem, many blast furnaces have that will handle these varied shapes, lems the conveying industry and the south and 20,000,000 tons of coal sumer. In fact, any industry concerned but revolutionary. The second of the shown Increases in output of better or perhaps a form of palletization materials handling engineer have al­ going north, savings of about $1.50 with large quantities of varying grades newer fields for materials handling than five per cent. Metallurgical coke must be worked out to reduce them ready been called upon to solve and a ton on coal and about 68 cents a ton of materials would do well to consider —the processing of raw materials— consumption has decreased about 300 to standard shaped units. When we some of the solutions they have de­ on iron ore ai-e estimated. Minimum blending for Increased production. comes under this heading. pounds of coke per ton of iron ore accomplish these tasks, I can see gen­ veloped. A significant fact is that cargo requirements will be a total of produced, and the iron quality and eral cargo conveyors running dowa many of these installations were first 30,000,000 tons for the entire sj'stem. Conveyors in Processing Materials Conveyors In Maritime Industry regularity has improved, a vital and a pier and discharging their loads to designed to overcome difficulties in The third field offering the most If, while we are moving a material important factor in the manufacture inclined conveyors that will take the one particular company and later went promise for the materials.handling en­ A J'ear has now passed since the from A to B, we do something to it^— of steel. cargo aboard the ship in a time and on to become standard practice for an first proposals for Riverlake were wash it, grade it, or blend it—we have gineer touches not only the greater effort saving operation that might cut entire industry. New developments made. In the intervening time engi­ added the operation called processing Successful as blending has been in productivity of industry In general but cargo handling costs as much as 50' will continue to come forth in those neers from several companies in the to conveyorization. This step adds to increasing the yield from iron ores, it concerns one of the most basic fac­ percent. industries where conveyors are already conveying industry have been work­ the economy of the system, for when it has never before been used in coke- tors in our national defense—the mar­ employed. Three new fields, however, ing with the Riverlake people on the a material is reposing in a storage pile making to blend the coal going into itime industry. A healthy shipping in- The heavy physical labor of steve­ seem to offer the most challenge and tremendous number of details com­ awaiting the next step in its prepara­ the steel industry's metallurgical coke dustrj', operating out of efficient and dores would be decreased, loading and the most promising reward for the prising a project of this nature, and tion for use, it is costing someone ovens. This j'ear in England, for the well designed ports, is vital to our unloading time would be cut, as materials handling engineer. They frequent planning meetings are held. money. first time a blending system has been economic and political security. would demurrage and damage. In

22 THE MINES MAGAZINE ® AUGUST. 1950 THE MINES MAGAZINE • AUGUST. 1950 23: short, overall handling costs would in the hold. This double action of the this ore. Conveyors will play a large part in unloading and transferring ore come down. tower and the boom makes it unnec­ essary to move the ship during load­ to railroad cars, and future years may One of the problems that always see long lines conveyors carrying the must be faced by the modern port ing operations. ore directly to the steel plants. designer is the space required for The entire dockside installation, both storage and for trucks delivering estimated to cost half a million dol­ Self-Unloading Ships goods. If conveyor systems were used, lars, will take a year to build, and Another facet of the bulk cargo this space could be given over entirely handling field appears here in Buffalo when completed will have seven con­ STUDIES OF JAPANESE Kure, 30 miles away, where they have NON-SECRET ATOMIC ENERGY REPORTS for storage, while trucks could pass veyors totalling 2400 feet in length and on the Lakes where fleets of self- ATOMIC BOMB SURVIVORS been living, often in sub-standard housing, AVAILABLE IN 3i LIBRARIES Thirty-one American libraries in ali their loads on to conveyors at points and using 5000 feet of belting. unloading ships are delivering bulk Japanese survivors of the atomic bomb­ and have been spending about three and parts of the country have been named as some distance from the highly con­ materials for such ship operators as ings at Hiroshima and Nagasaki have a half hours per man per day in travel. Rich iron ore deposits in two other A housing construction program designed official depositories for complete sets of gested dock area. Boland and Cornelius, Bradley Trans­ apparently recovered from the acute or widely separated countries, Labrador immediate effects of the bombings, but to accommodate all American personnel atomic energy declassified and unclassified portation, the Hutchinson and other working in Hiroshima is contemplated. research reports by Atomic Energy Com­ Older and smaller piers could be and Venezuela, were spotlighted re­ within recent months the first evidence of important lines. Throughout the mission. modernized and made more useful by delayed effects—the formation of eye cata­ cently and had materials handUng Lakes more and more ship owners are racts—-has come to light, according to The complete list of depository libraries conveyor systems. For example, a new ATOMIC ENERGY SCIENTISTS MEASURE engineers reaching for their maps and turning to self-unloaders when the records of the Atomic Bomb Casualty LONGEST KNOWN TIME INTERVAL are: conveyor system at a grain dock in an Commission of the National Research University of California, Berkeley and slide rules. time comes to replace out-moded ships AND BRIEF HALF-LiFE OF East Coast port increases the rotation Council, NEUTRAL MESON Los Angeles. First in order of discovery is the in their fleets. Denver Public Library, Denver, Colo­ of ships carrying both grain and gen­ Since 1947, with the support of the The longest time interval ever meas­ rado, eral cargo by cutting the unloading Hollinger-Hanna concession in La­ Atomic Energy Commission, the ABCC ured has been reported within recent These self-unloading ships, chiefly Yale University, New Haven, Connecti­ brador, where rough terrain would has conducted continuous studies of the weeks by atomic scientists at the Argonne time of the grain ships by six days. developed by Hewitt-Robins, can dis­ cut. medical and genetics effects on the popu­ National Laboratory, Chicago. At the make it almost mandatory to have a Library of Congress, Washington, D, C. Bulk cargo handling is one phase charge 10,000 tons of bulk cargo and lations of the two bombed cities. other end of the time scale, another group belt conveyor feeding ore to the pro­ of scientists has clocked the life-span of Georgia Institute of Technology, At­ of the maritime field where conveyors neatly pile it ashore in about five The findings wiii be reported in the jected railroad. Because they can run the most ephemeral known sub-atomic lanta. hours with as few as three men han­ scientific literature and will be made have been notably successful. particle at the Radiation Laboratory, Uni­ University of Chicago, Chicago, Illinois, through country where no railroad available to the Department of Defense, Ore Cargo Problems dling the conveyors, and, if dock versity of California, Berkeley. John Crerar Library, Chicago, Illinois. can operate, conveying systems can National Security Resources Board, U, S. University of Illinois, Urbana, space permits, without the assistance The two newly measured time intervals With experts anticipating the grad­ make possible profitable railroad oper­ Public Health Service and other agencies, Iowa State College, Ames. make a striking contrast. The longer in­ ual exhaustion of our chief source of of any shore-based facilities. At the who wiii be responsible for defense and Louisiana State University, Baton ations. This ore would be loaded on terval is 5x10" (5 followed by 41 zeros) local Buffalo docks of the Michigan relief measures in the event of an atomic Rouge. high grade iron ore, the Mesabi railroad cars at the mines by conveyor times greater than the smaller. Limestone and Chemical Company, disaster in this country. To date ABCC Harvard University, Cambridge, Mas­ Range, steel company geologists have and delivered to the St. Lawrence has accumulated some data on more than The half-life of a radioactive species for example, you can see the ease with or isotope of the sulfur-like element tellur­ sachusetts. been scouring the world for years for River where a conveyorized port in­ 150,000 persons in the bombed areas. ium, known as tellurium 130, was meas­ Massachusetts Institute of Technology, new, and untapped, deposits of iron which these self-unloaders handle stallation would speed it aboard ships Dr. George Hardie, AEC Medical ured at 1,5 sextillion (15 followed by 20 Cambridge. their cargoes of limestone. Branch, and John V. Lannan, AEC Fi­ University of Michigan, Ann Arbor, ore. You have, undoubtedly, read of bound for Buffalo and the West or zeros) years by Dr. Mark G, Ingraham nance Division, are now in Japan to study Detroit Public Library, Detroit, Michi­ some of their notable discoveries. down the East Coast. These ships were not all built spe­ and John Reynolds of the spectroscopy operations o£ the ABCC program. A simi­ laboratory at Argonne National Labora­ gan, One of the most recent has been cifically for self - unloading. Many lar survey was made in 1949 by Dr, John Perhaps even more important than tory, Up until now tellurium 130 was University of Minnesota, Mmneapolis. made in Liberia, West Africa, by the very successful conversions have been Z. Bowers, of the Division of Bioiogy and Linda Hall.Library, Kansas City, Mis­ the iron in Labrador are the three thought to be a stable or non-radioactsve Republic Steel Corporation, where a made of cargo ships that had been Medicine. Dr. Hardie was formerly as­ isotope of tellurium. souri. exceedingly rich deposits in Venezuela. sociated with the Division of Preventive Washington University, St. Louis, Mis­ new mine has been located in the Bomi operating for as long as thirty years The half-life of a radioactive isotope Medicine, Johns Hopkins University. Mr. souri. One, at El Pao, is already being de­ is the period of time in which half of the Hills offering a high grade ore that by grab-bucket unloading methods. In Lannan went to Japan from Formosa, Princeton University, Princeton, New veloped by the Bethlehem Steel Com­ atoms in a sample will undergo radio­ is equivalent to the ore now being where he has been oti a special assign­ Jersey. general, a self-unloader consists of a active decay. The half-life for any given pany and a loading and stockpiling ment for the Economic Cooperation Ad­ Cornell University, Ithaca, New York. obtained in Brazil and Venezuela. pair of belt convej'ors served by a hop- radioactive isotope is unique and is char­ port installation consisting of four ministration, on loan from the AEC. Columbia University, New York, New acteristic of that isotope. Stable isotopes Chief among the problems of get­ pered hold. These conveyors deliver York. 1000 foot Hewitt-Robins conveyors Following the discovery that radiation do not undergo radioactive decay and to an inclined pan conveyor which New York Public Library, New York. ting this ore aboard ships and delivered and the necessary loading machinery similar to that released in an atomic bomb hence appear to have an infinite half-life. carries the load to the deck and feeds Duke University, Durham, North Caro­ to its destinations at Philadelphia, burst had caused cataracts to form in the The measured half-life of tellurium 130 is being readied for operation this lina. it to a boom conveyor. The boom eyes of research workers in this country, is about 500 billion times greater than the Baltimore and Mobile, is the con­ Spring. It is entirely possible that Cleveland Public Library, Cleveland, a preliminary ophthalmic survey was age of the earth which is estimated at struction of adequate docking and pivots out to the delivery area where Ohio. shipments of ore from the heights of started at Hiroshima last year. This sur­ about 3 billion years. Thus, only an in­ it discharges the cargo. Ohio State University, Columbus. loading facilities in Liberia to insure South American mountains will find vey, led by Or. David G. Cogan and Dr. finitesimal amount of the earth's original University of Pennsylvania, Philadel­ a steady flow of shipments. S. Forrest Martin of the Harvard Medi­ tellurium content has so far decayed. their way next year into the Bethle­ Until recently, only shippers of phia. cal School, revealed ten cases of cataracts According to relativity theory, the speed To handle the huge quantities of hem plant in this city. bulk materials could keep down their Carnegie Library of Pittsburgh, Pitts­ believed to have been caused by the of light (about 186,000 miles per second) this vital material, a dockside con­ costs by utilizing conveyors. Today, burgh, Pa. atomic boiiib. Subsequent examination of is the top velocity for any material parti­ Recently the United States Steel Joint University Libraries, Nashville, veyor installation has been designed however, a system of portable con­ 1000 persons, most of whom were within cle. The measured half-life of the meson Company announced its discovery of Tennessee. that will stockpile 150,000 tons of ore veyors and elevators has been designed 3,000 feet of the point above which the is so short that during this time light University of Texas, Austin. an amazing 2000 foot mountain of bomb exploded, has led to the discovery itself can move only about one-thousandth at all times and will deliver ore to to load and stow packaged cargo. It is University of Washington, Seattle, iron, at Cerro Bolivar, which has been of about 40 certain cases of radiation of an inch. ships at a rate of 2500 tons an hour. estimated that 25 percent of the total cataract and an additional 40 suspected University of Wisconsin, Madison, called the richest single iron deposit Provisions have been made to handle man-hours involved in loading go cases. in the world. A nearby area, said to be NEW PLAN FOR DISTRIBUTION OF double that capacity in the future. toward stowing this boxed cargo. ATOMIC ENERGY SOURCEBOOK equally as rich, has been uncovered Much of the effort of the ABCC has ATOMIC ENERGY TECHNICAL REPORTS The Sourcebook on Atomic Eneri/y by With the introduction of these con­ necessarily been expended in learning The ore is brought from the mines, by the Venezuelan government. American business firms will have Dr. Samuel Giasstone, has been awarded veyors, shippers can now reduce this more about the normal state of health of easier access to non-secret atomic energy about a hundred miles inland, on rail­ to the D. Van Nostrand Company of New time considerably. These systems ap­ the Japanese people. This has been made technical reports under a new distribution York by the Atomic Energy Commission, road cars to the installation at Mon­ Plans have been announced for the more difficult by the great social changes pearing for the first time as an in­ plan announced jointly by the Atomic The Sourcebook on Atomic Energy is a development of both these deposits resulting from the war and the artificial rovia, capital and main port of Li­ Energy Commission and the U. S, Depart­ 450-page treatise on the non-secret scien­ tegral part of a ship's structure, are type of population control resulting from beria. Here it is taken by belt con­ and for one, a long line belt conveyor ment of Commerce. tific and technical aspects of atomic en­ nearing completion aboard three of the strong regulation of civilian activities veyors to the storage area where it has been suggested that would cut Under the plan the Office of Technical ergy, particularly suitable for use by col­ the newest and fastest round-the- during almost 10 years of war. Services of the liepartraent of Commerce goes into stockpiles. through the jungle carrying ore from lege students, teachers, textbook authors, world passenger - cargo ships, now The initial arrangements for the ge­ will become the sales agency and refer­ and publishers. The publication date will the mine to water transportation. Be­ Upon the arrival of a ship the sys­ being built for the American Presi­ netics program were organized in Janu­ ence source for non-secret AEC technical be about December 1, 1950. Price $3.90. cause Venezuela has little coking coal, ary 1947 by Dr. James V, Neel, University reports. tem reclaims ore from storage and dent Lines. By means of the system, the emergence of a home-grown steel of Michigan, the first Director of ABCC. Both the Atomic Energy Commission delivers it directly to the dock where 1500 pieces of boxed cargo, of a maxi­ WANTED industry seems remote, so it is believed The current program is under the direc­ and the Department of Commerce expect a traveling ship-loading tower with mum weight of 250 pounds, can be tion of Dr. H. Grant Taylor and Dr. the new plan to extend the use by Ameri­ that most of the ore will be shipped Large Ball or Pebble Mill a boom convej'or takes over. The loaded in an hour. The cargo is William J, Schull. can business firms of the valuable tech­ to this country. tower moves along the dock the length brought aboard through side loading One of the primary operating problems nological results of atomic energy re­ Good Condition in the past has been the lacli of housing search. These findings frequently relate of the vessel with the boom shuttling Modern port facilities are already ports where portable conveyors, carry at Hiroshima for the 135 American per­ to fields other than nuclear physics, and National Titanium Co. across the ship at the same time. Thus planned at several places on the East sonnel working on the program. At pres­ have proved to be of interest to all types Vernon, California the ore is neatly and properlj' stowed Coast for the receipt of shipments of (Continued on page 42) ent these persons must commute from of manufacturers, small as well as large. 24 THE MINES MAGAZINE ® AUGUST, 1950 THE MINES MAGAZINE • AUGUST, 1950 25 Special round-table conferences will be AMERICAN MINING CONGRESS president, Empire Trust Co., New York, held on August 31 for discussion of mine PLANS CONVENTION "Gold"; Paul B. Jessup, vice president, taxation, gold, strategic minerals, and In these columns the latest in equipment of Interest to our readers Is reviewed. Many readers request additional In­ Salf Lake City. Utah Day Mines, Inc., Wallace, Idaho, "Tariff formation and prices. For fheir convenience each arflcle is numbered. Fill in the number on the coupon at the boitom public lands. August 28-3!, 1950 Needs of the Mining Industry"; David of the page and mail your request to M D, Baker, consulting mining & metallurgi­ A Resolutions Committee will draft a The essential role of the mining indus­ cal engineer, Bishop, Calif., "Domestic Declaration of Policy for the industry, try in the nation's defense will be clearly Nordberg Radial Engine (743) Supplies of Strategic Minerals"; Dan H. undertaking this task on August 26 and emphasized at a forthcoming meeting_ of Recent addition to the extensive line of internal combustion Harrington, for many years head of the 27, The resolutions on various subjects some 2,000 metal and nonmetallic mining engines built by Nordberg Manufacturing Company, Milwaukee Health & Safety Branch nf the U. S. Bu­ will be submitted at appropriate points in men who will convene at Salt Lake City, 7, Wisconsin, is a two-cycle, ll-cyllnder, 14" x 16" radial engine. reau of Mines, Washington, "Safety Prog­ the general sessions of the convention, Utah, August 28-31 for sessions of the It is built as an oil burning Diesel engine, as a spark fired gas ress in Metal Mining"; A, C. Thornton, thus allowing full consideration of the im­ American Mining Congress. engine or as a Duafuel engine. The engine develops from 1650 HP industrial relations manager. Inter­ portant issues on which the position of Members of Congress, high Govern­ net at 400 RPM. national Minerals & Chemical Corp., Chi­ the mining industry is to be set forth. ment ofhcials, and leading men of the The Nordberg Radial Engine is the result of a long period cago, "Labor Relations Today"; Donald In addition to the convention sessions, mining industry will participate in im­ of development to produce an engine with advantages not found A. Callahan, president, Callahan Con­ over 110 manufacturers of mining equip­ portant discussions ranging from stock­ in conventional types of Internal combustion engines. Among the solidated Mines, Inc., Wallace, Idaho, C. ment and supplies will be represented piling for national security, atomic energy unusual design features of the Nordberg Radial engine is the pat­ Jay Parkinson, Attorney, Salt Lake City, with displays in the largest metal mining developments, and the foreign aid pro­ ented method whereby the forces exerted by the pistons are con­ and Charles F. Willis, State Secretary, exposition ever held. Delegates to the gram, to labor relations, taxation, public veyed to the crankpin resulting in completely balanced operation Arizona Small Mine Operators Assn., meeting will have an opportunity to in­ land policies, mineral tariffs and the out­ that eliminates vibration. This is accomplished by the use of a Phoenix, Ariz., on "Proposed Changes in spect the latest equipment developments look for the metals, In addition to these master gear, a stationary gear bolted to the cover, two pinions and the Mining Laws"; P, J. Shenon, head, and to talk over their equipment problems economic and legislative matters, one of rotating counterweights. Department of Mining, University of with the experts in the manufacturing the most comprehensive programs on Utah, Salt Lake City, "The Phosphate field. Both the convention and exposition operating and production problems ever Industry—What it Means to the West"; will be held at the Utah State Fair prepared will be presented at a series of M. G. McGrath, manager. Vitro Manu­ Grounds. special sessions on new developments in tl facturing Co., Grand Junction, Colo., CONVENTION TRIPS PLANNED mining and milling. "Processing of Uranium Ores—-Engineer­ A Convention Trips Committee has GOVERNMENT SPEAKERS ing and Metallurgical Aspects"; Charles scheduled an airplane inspection trip M. Hackett, E. I. du Pont de Nemours & Feature speakers from Government at from Salt Lake City airport on Friday Co,, Inc., Wilmington, Del., "Public Re­ the meeting will include Senator Harry P. morning, September 1, consisting of an lations and Public Opinion"; and James Cain of Washington, who will discuss hour and a half flight over mining opera­ • Section of cover cut _. — ., "The Future of Gold"; Representative E. Hogle, president, Rico-Argentine Min­ tions at Bingham, Tooele, Tintic-Eureka, Maintenance cost on the Nordberg Radial engine is kept to Clair Engle of California, who will out­ ing Co,, Salt Lake City, "Public Relations Cottonwood, Alta, Park City and return­ a minimum as the result of several of the design features. The line "Problems of the Small Mine Oper­ —The Importance of the Stockholder"; ing to Salt Lake City. Visitors will be fur­ short, sturdy counterweighted crankshaft has but two bearings to ators"; Representative Carl T. Durham and speakers on Federal taxation and the nished maps of the various mining dis­ be maintained and both of these are of the bushing type. All bear­ of North Carolina, Chairman of a House mining industry. tricts showing the general geologic and ings are of the renewable bushing type easily replaced at mini­ Armed Services subcommittee on stock­ A special "Welcoming" Luncheon will structural features and a geologist will mum expense. There are no split bearings on the engine. Friction piling, who will present a review of the be held Monday noon, August 28, with accompany each flight to describe points is materially reduced and higher mechanical efficiency is obtained. nation's stockpiling program for strategic D, D, Moffat, Salt Lake City, chairman of interest. All heads, piston cylinders and bearings are interchangeable and and critical materials; Representative of the Western Division of the American On the afternoon of September 1 con­ this reduces the number of spares required. Pistons can be serviced Graham A. Barden, also of North Caro­ Mining Congress presiding, A welcome vention visitors will have an opportunity from the floor and this eliminates the need for heavy crane and lina, Chairman of the House Committee to Utah will be extended to Convention to inspect the Geneva Steel Plant near supports. Provo, Utah, Company guides will con­ on Education and Labor, who will address visitors by Governor J. Bracken Lee, There are two systems of lubrication—mechanical force feed duct the mining men through this great the meeting on "The Future of Our Labor while Mayor Earl J. Glade will greet and pressure. Two motor-driven multiple pump, force feed lubri­ western steel plant. Law"; and C. Girard Davidson, Assistant them on behalf of the city. Howard I, cators deliver oil to two points of each cylinder for piston lubrica­ Secretary of Internor who will explain Young, St. Louis president of the AMC, On Saturday, September 2 a trip will tion. The pressure system serves a dual purpose. It provides oi! current proposals that the Interior De­ Roy A, Hardy, Reno, chairman of the be made to the Garfield smelter, the 10 all parts requiring lubrication and also provides oil for piston partment has made for changing the min­ Convention Program Committee, and M. Magna and Arthur mills, and the open- cooling. ing laws. L. McCormack, chairman. Manufacturers pit operations of Kennecott Copper Cor­ This Nordberg Radial engine is applicable wherever compact, Division, AMC, will respond for the min­ poration's Utah Copper mine at Bingham Other Government spokesmen and the economical, dependable power is required. For additional infor­ ing industry, Canyon, Utah. subjects of their addresses include: Carl mation write Nordberg Manufacturing Company, Milwaukee 7, Rolle, stockpile advisor, Munitions Board, PRODUCTION PROBLEMS CONSIDERED The U. S. Bureau of Mines has also Wisconsin. Washington, "Progress in Stockpiling for The special sessions devoted to pro­ invited mining men attending the Ameri­ National Security"; R. L, Wilcox, Eco­ duction problems will be participated in can Mining Congress meeting to visit its nomic Cooperation Administration, Wash­ by leading operating personnel from mine oil shale demonstration project at Rifle, ington, "The Foreign Aid Program and operations, both In the United States and Colo. Special pulhnan cars are being made available by the Denver and Rio its Relation to the Mining Industry"; in Canada. The sustained effort of the Cross section through a Nordberg Enqirse Sumner T. Pike, Member, U. S. Atomic industry to raise its productive efficiency Grande Western Railroad to transport Energy Commission, Washington, "Atomic and reduce costs through improvement in convention visitors from Salt Lake City. The eleven connecting rods are attached to the master gear Energy for Industrial Power"; Jesse C. operating practices, in both mining and The trip will start from Salt Lake City by means of knuckle pins mounted in bronze bushed bearings. This Johnson, manager, Raw Materials Opera­ milling, will be given serious considera­ late afternoon on September 1, with Sep­ master gear does not rotate around the crank but gyrates instead, tions, AEC, Washington, "Uranium Pro­ tion by those in attendance. Among the tember 2 being spent at Rifle. the distance of gyration amounting to 16 inches or the piston curement Policies and Plans"; Frank H, major subjects to be discussed at these stroke, This gyrating action is obtained by restraining the master MacPherson, manager, Colorado Raw sessions are "packaged" timber handling; gear from rotating by means of the two pinions, the lower one Materials Operations, AEC, Grand the application and performance of new meshing with the master gear and the upper one meshing with Junction, Colo., "Economics of Domestic milling equipment; the construction of a the stationary gear which is bolted to the frame cover and thus Uranium Production"; and Doris H. new mill by the Golden Cycle Corp., at held in a fixed position. With this unique design balanced opera­ Blackman, geologist, U, S. Geological Sur­ Cripple Creek, Colo., which will renew tion is obtained without the use of the master connecting rod com­ vey Grand Junction, Colo., "Prospecting the life of an old and important gold min­ monly associated with radial engines of other design. for Carnotite Deposits." ing district; the development of the White The completely balanced operation makes possible a simple, SPEAKERS FROM INDUSTRY Pine mine at Painesdale, Mich., which inexpensive foundation. The compact design of the unit reduces has added several million tons of copper Outstanding leaders from industry will engine room space to one-half the usual requirements and a mini­ ore to the nation's reserves; progress share the spotlight with these Govern­ mum of necessary headroom lessens building height. These space toward production at the Blackbird cobalt ment officials. Among those scheduled to economies greatly reduce required building costs or provide more mine on the fringe of the Idaho wilder­ address the Convention are: Simon D. power in an available building. ness area, an important addition to our Lower Base and auxiliaries for Nordberg Radial Diesel Engine Strauss, vice president, American Smelt­ strategic reserves; geochemical prospect­ ing & Refining Co., New York, on "Out­ ing, which may lead to the finding of un­ look for the Nonferrous Metals and for Referring io Equipment News, piease send as checked; told hidden mineral wealth; the use o£ HERON ENGINEERING CO. Silver",; Paul H. Hunt, vice president. MINES MAGAZINE, No. Prices •, Bulletins •; No. Prices •, Bulletini •; trackless mechanized mining methods in Park Utah Consolidated Mines Co., Salt PE. 6097 734 Cooper Building, the great mines of the Lead Belt of south­ No, Prices •, Bulletins No. Prices •, Buliefins •. Lake City, "Trend of Metal Production, Plant layout and deaiga of mine, mill and eastern Missouri; a means of increasing imelter Iaoilities, inoludio^ struotures, Denver. Colorado Wages and Prices"; J. W. Tapp, vice Name - _ - Position— grinding efficiency; hydraulic ore hoist­ aerial tramwaye, asd waste disposal syg- president. Bank of America, San Fran­ teniB. Piease ing; and developments in rock drilling have Company _ _ - — cisco, "Sound Currency for a Sound Eco­ and blasting. 2000 So. Acoma St., Denver, Coio. copies nomy" ; Joseph Stagg Lawrence, vice mailed fo;

26 THE MINES MAGAZINE m AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 27 Flexible Steel Lacing Co. Appoints Wemco Introduces Two-Compartment New England Representative Drum Separator (744) Wemco Opens Mineral An important, completely new drum separator, designed to reduce the cost of multiple stage heavy-media separation, has been Testing Laboratory announced by the Western Machinery Company._ Because it The Western Machinery Company an­ greatly reduces the equipment needed to produce a middling prod­ nounces the opening of a Mineral Testing uct, this multiple drum separator is expected to have wide appli­ Laboratory serving the metallic and non- cation in the cleaning of low grade coai and In the beneiiciating of metallic mining industries, coal prepara­ iron ores, Other ores and minerals can also be handled. tion industry, the sand and gravel aggre­ In order to efficiently obtain a middling product in the heavy- gate industries and other industries whose media separation process, two stages are required using heavy- products or by-products require that type media liquids of different gravities. The new WEMGO process of material processing common with the reduces the complexity of two-stage separation by using a parti­ mineral engineering industries. tioned drum with a lighter media in one section and a heavier A newly created Mineral Testing De­ media in the other as illustrated in Figure 1. Material is passed from one section ot the drum to the other, elimmatmg screens, con­ partment, made up of experienced metal­ veyors and ductwork necessary when separate vessels are used. lurgical engineers, has been organized to Only three conveyor systems leave the drum; they carry a true operate the well equipped laboratory lo­ mineral product, a true waste product and a middling product. cated at the Company's Home Office 760 Kecrushed portions of the middling product join the feed matenal Folsom Street, San Francisco. The service and are returned to the drum. This very compact and efficient is to be provided to industry on a cost arrangement (see Figure 2) makes substantial savings in three im­ basis. LESTER B. COLEMAN portant ways: fewer items of equipment, lower construction and Wemco's new laboratory is equipped to installation costs and greatly reduced floor space. Flexible Steel Lacing Company, 4607 and properties. When wet, it will not investigate mineral engineering problems Lexington Street, Chicago, Belt Fastener It is expected that the new WEMCO Two-Compartment shrink or curl. Perspiration will not make involving: heavy liquid testing, heavy manufacturers, announces the appointment Drum Separator process (patent pending) will obtain a clean it hard; exposed to any moisture it re­ media separations, flotation concentration, of Lester B. Coleman as New England product from coal and ore deposits for which profitable exploita­ mains flexible and soft. Because of these gravity concentration, amalgamation, and New York State representative, "Les" tion has not been heretofore feasible. All inquiries should be ad­ features, the company points out, the plas­ scrubbing, agitation and washing opera­ was formerly associated with a New dressed to Western Machinery Company, 760 Folsom Street, San tic masks which cost no more, will last tions, wet classification problems, dewater- England mill supply distributor. He makes Francisco. much longer than leather face masks. ing and thickening problems, crushing and his home in Roxbury, Connecticut, grinding characteristics, cyanidation, pre­ liminary microscopic mineralogical exam­ Model Stripping Operation to be G-E Announces New Tri Clad* inations, and others. Each investigation New Electronic Timer said. Publication, GEA-5255 contains ad­ Hydraulic Fluid for Mining includes the presentation of a completely Displayed by Link-Belt Speeder Single-Phase Motor (749) Announced by G-E (745) ditional information on G-E electronic Equipment (747) detailed metallurgical report with recom­ at Metal Mining Show, Salt Lake timer. For use where a constant-speed high- mended flowsheet to be used as a basis A new, compact electronic timer which A flarae - resistant industrial hydraulic City, August 28-31, 1950 fluid, also said to have high lubricity, has torque single-phase motor is required in for commercial plant design. provides automatic control of operation, A fully operating l" scale mode! of a been developed by Monsanto Chemical large ratings, a new replusion-induction limit, and sequence timing for literally Link-Belt Speeder K-37S Shovel-Crane New Primary Feeder for Company, St. Louis, Mo, motor has been announced by General thousands of industrial processes has been Crane Co. Makes Personnel Change will 'be working at the Link-Belt Speeder Extra Heavy Duty (746) In announcing the fluid, designated as Electric's Small and Medium Motor Divi­ announced by General Electric's Control Joseph E. Bradbury has been promoted Exhibit, Booth No. 228. The exhibit^will Now available in a 72" width and in OS-16, Charles H. Sommer, assistant gen­ sions. Divisions, Schenectady, New York. to Manager of the Alloy Sales Section of be supplemented with a backwall display lengths up to 60 feet is the Pioneer-Oro eral manager of the company's Organic Designated as Type SCR, the motor is the Valve & Fitting Department, Crane to include transparencies and color en­ Jumbo feeder built by Pioneer Engineer­ Chemicals Division, revealed that the available in S-, 7Vz-. and 10-hp ratings, Co., Chicago, Illinois. Mr, Bradbury is largements of Link-Belt Speeder Shovel- ing Works, Minneapolis, Minnesota. product had been thoroughly field-tested all 1800 rpm. The 5-hp unit operates on well qualified for this position having been Cranes on the job. Feeder pans, and all other wearing parts in hydraulically operated mining equip­ 115/230 volts, while the other two use a member of the department since it was Attending the show and representing such as drive sprocket and supporting ment, 230 volts. first organized in 1940. He has been with Link-Belt Speeder Corporation of Cedar rollers are cast manganese steel. Typical applications Include air and "It was the opinion of experienced the Company since 1928. Rapids, Iowa, will be D. W, Lehti, Pres., Patented features include interlocking observers," he said, "that OS - 16 had Mr. Bradbury is an active member of G. H. Olson, Vice Pres., R. B. Barnes, support points on the pans proper, and proven eminently satisfactory under every the National Association of Corrosion Sales Manager, D, F. Van de Roovaart clean out wedges in the pans links to re­ operating condition imposed on It. The Engineers. and N, V. Chehak. move dirt on the return side. An out­ test results were accepted as a complete standing patented feature is the design demonstration of its suitability." of the pan which casts the drive links In the tests, a coal-cutting machine was Statement of Condition integral with the pan to eliminate bolts operated on a 24-hour, three-day week in and rivets. Pans are cast with upturned underground mining service. Hydraulic THE CENTRAL BANK & TRUST COMPANY lugs at the ends to form an interlocking pressure was 1500 pounds per square inch. Denver, Colorado continuous lip for reducing spillage. These A complete examination at the conclusion AT THE CLOSE OF BUSINESS JUNE 30, 1950 According to G-E engineers, the new pans, which are corrugated and over­ of the test, Mr. Sommer said, showed no timer was designed to fulfill industrial lapping, are spaced at 15" pitch, are one signs of wear in the hydraulic system, Resources requirements for flexibility of application, inch thick at the smallest section, and pumps or other moving parts in contact Loans and Discounts — $15,640,512.22 accuracy and reliability in operation, low weigh close to 1000 pounds each. with OS-16, FHA Loans, United States Guaranteed 7,546,859.78 maintenance, and simplicity in servicing. Real Estate Owned (Future Bank Site) - - 75,000.00 It is available in three time ranges: .06- Because the fluid is an ester base com­ 1.2 seconds, .6-12 seconds, and 6-120 pound, containing no halogenated hydro­ Safe Deposit Vaults—Furniture and Fixtures - 197,707.53 seconds. carbons, salts or waters, Mr, Sommer ex­ Stock in Federal Reserve Sank - -- 48,000.00 plained, it will not corrode bearings or Income Earned, Uncollecteil - - - 170,411.60 Some applications of the new device other metal parts, and is a non-conductor refrigeration compressors, pumps, stokers, Other Resources -.- 43,113.50 are: (1) operation timing to control dura­ of electricity. Tests also show, he said, floor surfacers, and farm uses such as U. S. Government Bonds - - $11,962,274.55 tion of such processes as paint spraying, that OS-16 does not irritate the skin, and barn hay curing, wood sawing, silo filling, Other Bonds and Securities 2,173,189.75 car washing, photoprinting, electroplat­ requires no special precautions in han­ cold storage, feed grinding, etc, Cash and Due from Banks - - -- 14.408,399.55 28,543,863.85 ing, and heat treating; (2) limit timing dling or use. The new motor features high starting to stop conveyor belts if material piles up; torque and low starting current with posi­ and (3) sequence timing with two or more Total - - $52,265,468.48 Improved Foundry Goggles (748) tive operation on low voltages, making timers in combination to control duration it wel! adapted for severe starting duty. American Optical Company, South- Liabilities of operations on bearing-grinding ma­ It is of the open (dripproof) type, and bridge, Mass., announced that its two Capital Stock .__ - $ 1,000,000.00 chines, rod-coiling machines, commercial has many features that contribute to long foundry goggles, the No. 305 and the No. Surplus ------600,000.00 potato-peeling machines, centrifuges, il­ life and aid in installation and mainten­ 306, will now be supplied with a rugged Undivided Profits and Unallocated Reserves 345,288.78 1,945,288.78 luminated signs, etc, ance. The sturdy cast-iron frame has a Mechanical wear is cut to a minimum plastic face mask, proved through long damping effect on noise and vibration, Reserveil for Interest, Taxes, etc. -- 136,620.86 with the electronic device, engineers said, extensive testing to be superior to the and covers are easily removed to facilitate Reserved for Dividend Payable July 3, 1950 30,000.00 because the relay armature is the only Supporting the pans and load are three leather mask formerly used. inspection and maintenance of brushes. Income Collected, Unearned __ __ 372,637.53 moving part. The G-E 6J5 electronic tube cast manganese steel rollers keyed to Leather face masks, according to the To assure good alignment between stator Other Liabilities 8,776,70 in the timer is a standard model readily heavy shafts, each shaft turning in three company, possessed a major disadvantage and rotor, the ball bearings are mounted Deposits - - - 49,772,144.61 obtainable at most radio stores. special alloy bearings. These bearings in that they could not be sterilized. This directly in the end shields of the new Life tests conducted by G. E. indicate rest on transverse I-beams, supported on was a handicap not only when the mask motor. Improved brush holders give good Total $52,265,468.48 that the new timer can perform a million deep longitudinal beams on which the became dirty, but when it was to be worn brush stability, and brushes and rigging Total Resources June 30, 1934 $ 3,032,039.64 or more operations at these controne(l head and tail shafts are also mounted. by another worker. are easily serviced. Efficient cooling is Total Resources June 30, 1939 - 5,967,192.25 load requirements: inrush-—15 amps, Return idlers and a screw take-up are The new vinyl plastic mask, now stand­ provided by a single large-diameter cast- Total Resources June 30, 1944 17,202,788.41 carry-—-10 amps, and break—5 amps. As provided. For complete specifications ad­ ard on the two foundry goggles, can be aluminum fan. Total Resources June 30, 1949 - - - - 44,621,667.21 the controlled load demand is reduced, dress Pioneer Engineering Works, Min­ sterilized by spraying, wiping or dipping * Reg. Trade-Mark. more operations can be expected, it was neapolis 13, Minnesota. (not boiling), and will retain its shape Total Resources June 30, 1950 52,265,468.48 28 THE MINES MAGAZINE • AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 29 ,Tuno 1950, contains 8 pages with interesting security and other contract provisions. R. K. Patterson will be stationed in the Jetters fi'om men i!i widely distributed areas. The Link-Beit Expands Public Relations sheet included gives the addresses of field parties. The contract will expire June 30, 19S5. New England sector, C. Byron Walker Link-Belt Company announces that its (564S) ALUMINUM. "Alcoa iNews — Letter," in the Pacific Northwest and Al. W. June 1950, by -Aluminum Company of America, Public Relations activities are being ex­ Waiter Geist, Allis-Chalmers president, Schlosser in the Southeast. Pitlsbui'gh, fa,, eoutaiiis 8 pages illustrating ami panded, and that a separate Public Rela­ said, "An agreement on a contract has describing many new uses for aluminum iu con­ In his new post, Bansemer succeeds tions Department has been established at been reached that marks a new era for nection with sports and also maiiufaclnring. John E. Chad wick who will join the executive headquarters, 307 N. Michigan our employes, (he union, stocholders, and (5649) "A NEW OIL REFINERY." Bulletin No. Dalrymple Equipment Company organi­ 15(1 by C. F. Irauu & Co., Alharahra, California, Avenue, Chicago, headed by Harlan B. customers." zation, Koehring product distributor in containing '24 illustrations picturii^g the new oil Collins, Secretary of the company and John W. Livingston, vice president of reiinery of the Standard Oil Company of Cali- the state of Mississippi. Russell B. Kern who will continue in the the UAW-CIO and director of the Agri­ iornia, built at Bakersfield, California shows cultural Implement division, said that the (5623) RESEARCH & TESTING. Bulletin Ko, views approximately 8" x 10", giving one a very capacity of Editor of Link-Beit News, the O7B0i]9A, !iv Allis-Chnlnicvs Co., 8. TOtb St., good idea of the extent and the largo expense company's well known house magazine. a,greement "affords an opportunity for the S-E Opens New Service Shop- Milwaukee, Wise., oontaiiis 32 pasTs illnsS-iatiiis entailed in the construction ol this plant. This building of mutual respect between the and doBcribins roscareli and tostins' faoilities Send your publications to Mines Magazine. publication is a real piece of art. The Advertising Department, under the Warehouse In Salt Lake City IIA Cooper Building, Denver, for review _ in parties. I believe that it may be the foun­ wliich All is-Oh aim CIS has available for minerals' (5650) SYNCHRONOUS MOTORS, Bulletin Ko. direction of Julius 8. Holl, Advertising Construction of new and expanded re­ fhese columns. Readers will please mention 200-SYK-31 by Lleotric Slachinery Mfg. Co., dation of a strong and lasting peace." benoOciatioii and coramimition, grain and flora- Mines Magaiine when requesting ptibMcations Manager, has been strengthened by the pair, maintenance, and warehousing fa­ milling, pulp and wood processing and oi! e.N- Minn. 13, Minn., contains 24 pages including Charles Schultz, president of Local 248, from the manufactiirer. Readers may order articles on wound rotor motors, excitation for appointment of Bertram V. Jones as Ex­ cilities for improving service to users of traction. This book carries a cross-section ol publications from this office by giving index termed the contract, "The most outstand­ laboratory invesliffations coiidpcted and indus- s.Viicbronous uKitors, air coolers for generators ecutive Asst. Advertising Manger. Mr. General Electric apparatus in the Rocky number. These publications are FREE. au3' American Tariff League, %'•) \V, 44th contahis 20 pages discussing new puhlicatious on attention to the important features included. industrial minerals and largely devoted to the tions will be exhibited on the floor. A dis­ St., Now lork, K. Y., contains 4 pages of short (5627) RADIAL ENGINE. A recent bulletin by news items that will be found valuable to those price list on available publications of tho Cali­ play of ball and roller bearing pillow Du Pont Stockholders Increase Kordbers Mfg. Co., Milwaukee, "Wise, illustrates interested in tariils on exports and impoils. fornia State Division of Mines. blocks and other Link-Belt power trans­ and describes the Nordbers Radial Kngine con­ (5653) ELECTRONIC TIMER. Bulletiu UKA E. 1. du Pont de Nemours & Company, (5640) ROTARY KILNS. Bulletin No. OTB6308 mission units including popular chains vertible for use with natural sas. diesel fuel or by Ailis-Ohalnicrs Co,, Milwaukee, Wise,, contains b'HiSi by General Electric ,Co,, Schnectady, N, V., Inc., was owned by 118,732 stockholders both. The bulletin sives a very good idea of the 32 pages illustrating and describing the construc­ descrihes au electric timer which provides auto­ used hy the industry will also he exhibited. as of June 30, 1950. an increase of 2,861 design, construction and operation of this new tion and use of Allis-Chalmers' Rotarj' Kilns for matic control for operation, limit, and sequence The Link-Belt exhibit will be attended type of engine. 120 of these engines were in­ cement, lime and chemical plants. Illustrations timing in thousands ot mduatrial processes. Three over the number of holders recorded at stalled for power production in the Point .Com­ and drawings of auxiliary equipineiit aro also in­ time ranges are available. Operation and applica­ by experienced specialists, who will be the close of the first quarter of 1950, and fort Works of the Aloinimmi Company nf Amer­ cluded. Methods of solution of engineei-ing prob­ tions for the use of this equipment are described. glad to consult with visitors. Among them ica at their plant near Port Lavaca, Texas, each lems aro included, an increase of 19,069 over the number as consumins 13,000 cubic feet of pas per hour un­ (5654) ••FLUOR-O-SCOPE," July 1950, hy The will be Vice-President D. E. Davidson, of June 30, 1949. der load and producins 1600 h.p. (5641) SEPARATOR. Bulletiu Ko, 906, by Fluor Corp., Ltd., 2f>00 S. Atlantic Blvd., Los L. O. Millard, H. V. Eastling, J. F. Strott, Southwestern lingineering Co., l.SOO Santa 1' e Angeles 22, California, contains 16 paRe.s largely There were 101,701 holders of common (562S) "ELECTRICAL DEVELOPMENTS OF Ave,, Los Angeies 11, Calif., contains 4 pages il­ devoted to employee activities, althouj^h articles B. K. Hartman, H. A. Garland, W. W. stock, and 23,611 holders of preferred 1949" by General Kleclric Co., Schenectady, K. lustrating and describing the operation of the descriptii'e of tile Shell WasRon plant constructed Muehl and E. H. Bugbee. Y.. contains SO pages illustrating .and describing new Sweco separator for the separation of prod­ by Fluor in Texas and an artic.c on prefabricated stock as the second quarter period of 1950 electrical developments for the year and advance­ ucts in the laboratory. This machine will handle, piping are included. List of articles available ended. These figures include 6,580 holders ments in research power developineiiL, industrial wet or dry, ihie or course, or heavy or light prod­ published hy Fluor Reseai'ch and Engineering of more than one kind of stock. illumination, testing and measurins equipment, ucts, Personnel are sumraarized. Allis-Chalmers Five-Year aviation, rail and rapid transit, marine, chemistry Of the individual stockholders women (5642) CLASSIFICATION UNIT. A leaflet by (5655) METAL CLEANING. "Oakite News Serv­ Labor Contract and metallurgy, electro-medical, appliances, air the Dorr Co., Barry Place, Stamford, Conn., il­ ice," June 1 Si50, by Oakite Products Inc, 2-1 comprise about 57 per cent, and every conditioning, eonstnictioii materials and olec- lustrates and describes the IJorr Clone, a compact Thames St., New York, N, Y,, contains 2't pages The signing of a five-year labor con­ state in the union continued to be repre­ trotiiea. classification unit utilizing centrifugal force in of short illustrated articles descriptive of methods used iu cleaning equipment of dilfercnt kinds. tract between the Allis-Chalmers Manu­ sented among the owners of the company. (5629) GOLD PAN, Bulletin No. Pl-BlT, by place of gravity. It i>ro\'ideB a new method of facturing Co. and Local 2+8, UAW-CIO, Denver Equipment Co., Denver, Colo., illustrates separating finely divided solids in liquid suspen- (5656) CONCRETE. News Letter by the Ameri­ aud desciihes the conatruction and application of siouK. can Concrete Institute, 1 820;i W. McNichols Kd,, covering approximately 10,000 production the mechanical gold pan manufactured by this (5643) "LINK-BELT NEVA'S," .Tuly 1950, by Detroit, Michigan, June 1950, contains 3S pages Robins Conveyors Division company. of information pertaining to concrete construc­ employes at the West Allis plant, has been R. E. BANSEMER the Link-Belt Co., 307 N. Michigan Ave,, Chi­ announced jointly by the firm and the (5630) "HARDINGE HIGHLIGHT S," June cago, ill, contains 8 pages illustrating and de­ tion largely of interest to members of the in­ Moves Cleveland Office 1950, by Hardinge Co., York, Pa., coiitaitiB 6 scribing conveying equipment and its uses. One stitute. UAW-CIO. The contract is subject to Koehring Company of Milwaukee, heavy- The Cleveland office of the Robins Con- pages including an interesting article "Flying im­ article of special interest covers conveyor equip­ (5657) ROLL CRUSHERS. Form Ko, Cl7 by ratification by the membership. duty construction equipment manufac­ vej'ors Division, Hewitt-Robins Inc., has pressions of Europe and Africa" by Harlowe Hard­ ment at the Haltimore plant of the National Gyp­ Pioneer Engineeriiig Wks., Minn. 13, Mhm,. con- inge and an iilustrated article on Ilardinge sum ,Co. An article is also included on automatic taiiiH 14 pages descriptive nf roll crushers and It covers wages, pensions, health and turer. At the same time, Koehring named moved from 215 Rockefeller Bldg. to 8905 thiciteuera. speed controb for Link-Kelt variable speed drives their use Iii connection willi crushing rock and accident and group life insurance, union three new district sales representatives: Lake Ave. effective June 12. (5631) "TEXACO STAR," Summer, lOIiO, hy and auother illustrates the handling of logs by gravel. Dimensional drawings and tables of ca­ the Texas Co., 135 E. 4and St.. New York, N. Y., conveyors, pacities are included, contains interesting articles on "Coi>sprving Na­ (5644) "RARIN'-TO-GO," Tune 1950 issue of (5658) VENTILATION. Bulletin J-«07 hy Jov ture's Bounty," "Working with Steel" and others. this publication by The Frontier Refining Co,, Mfg. Co., Henry W, 01i\'or Bldg,, Pittsburgh 22, (5S32) RECORDING INSTRUMENTS. Leafiet Denver, Oolo., and Cheyenne, Wyo., contaius de­ Pa., contains 8 pages describing "Axivane" port­ Airborne Magnetometer Survey physicists in their interpretation of mag­ No. 776 by Mine & Smelter Supply Co., Ii22— scriptions of the operation of the company and able mine blowers for mines and tunnels. Per­ 17 th St., Denver, Colo., describes recording also photographs of men responsible for its formance of the blowers through tubing of various Of Peace River Area netic data. barometers and tilermometers and other meteor- growth and management, lengths and diameters given in both graph and The aerial method is especially useful olosioal instruraents, (5645) X RAY MEASURING INSTUMENTS, tabular form for easy comparison. Blowers are By Canadian Aero Servict, Limited provided for either electric or air motors The tempo of the oil search in north­ in the Alberta survey because the greater (5633) V-BELTS. "Industrial News," June 1950, Bulletin No, 1002 by the Baldwin (ustruraent part of the area is heavily forested or fay Gates Rubber ,Co.. 999 B. Broadway, Denver, Co., Dartford. Kent, England, contains 4 pages (5659) "BAROID NEWS BULLETIN," for June west Alberta received new impetus today Colo., contains several short illustrated articles illustrating and describing scientilic measining 1950, by Bariod Sales Co., P. 0. Box 2558, when the first large scale airborne mag­ muskeg country. Ground exploration is showing new applications of Gates Vulco Eopes instruments for X rays aud other ioniaing radia­ Terminal Annex, Los Aiigeles 54, Calif., contains therefore slower, more costly, and more iti tile drii'ing of machinery. Some of these appli­ tions. 28 pages including articles on the use of heavy netometer survey of the Peace River area cations may furnish you with good ideas for drilling mud and equipmetit for testing clay difficult than usual. Aerial magnetics will (5646) "TOMORROW'S TOOLS — TODAY!" was begun for four major oil companies eliminating some of your power drives that give 2uii Quarter, 1950, by Lane-Wells Co,, 5610 So, samples. Found in this issue is an 8 pase insert by Canadian Aero Service Ltd, Because deliver a quick picture of one phase of trouble. Sofca St,, Los Angeles 5K. California, contains 40 on oil humor from the era around 1865 of the largt expense of the operation, and the geophysical evidence for this very (5634) "H &. B BULLETiN," Jan.-Fobr. 1950, pages of interesting and valuable articles related (5660) TELEVISION. "Sylvania News" hy Syl- large area to the participating companies. by Hendrie & Bolthoff Co.. jlenver, Colo., con­ to technical oilfield services. Among these will vania Mlectric Products, Lie.. P. O. Box 431, because of the general nature of the data tains 3 2 pages ill usti'ating and desci-ibing new bo found the final installment on "Koneshot Per­ Emporium, Pa,, contains illustrated articles cov­ which will be obtained, the survey is From the survey the oil companies hope equipment and sufi])lies wliich this comjian,y has forating," the fith installment of Lane - Wells ering television and related subjects, being undertaken on a co-operative basis to learn something of the basement depths, in stock reatly for delivery. Tiiere are many items Packer Handbook entitled "Locating and Shut­ (56610 FLOTATION AGENTS. A 16 page puhli- basement structures, and other aspects of here that may be used to advantage by almost ting Oir Casing Leaks," "A Practical Valuation of cation by Hercules Powder Oo. Wilmington, by Socony Vacuum Exploration Co., Stan­ every industrial operation, the Neutron Log for Canadian Oilflolds" and Delaware, gives up-to-date information on Hercu­ the rocks underlying the sediments. The olind Oil and Gas Co., Imperial Oi! Ltd., (5635) CLASSIFICATION, Bulletin No. 48 hy "Kadioactivity Well Logging Provides Needed les flotation agents. Included is a general dis­ precise magnetic map of the area which Colorado Iron Works, Denver, Colo., contains 14 Data for Operations in North Central Texas." cussion on tho flotation process and also a and Canadian Gulf Oil Co. Other oil com­ These articles all contain charts and diagrams will be the end product of this extensive paRes illustrating and describing the consiruction description of llotation agents, frotUers, collectors, panies have been invited to participate and advantages of the Akin Classifier in econ­ as well as other illustrations. and modifiers. Mathematical formulas used in the survey will enable the companies to make operation and control of modern ore-dressing in the survey to extend the area of the omically solving classification problems. Tables of (5647) GEOPHYSICS. "The Grape Vine" by operation, and it is believed there may be a valid evaluation of the magnetic meth­ capacities arc included for different SIKO machines. United Geophj'sical Co., Inc., Pasadena, Cahf., (Continued on page 44) od's worth in this exploration area, The Much information is included that will be very a fifth and possibly sixth company sharing useful to mill operators. Canadian oil industry is watching the in the exploration in the near future. (5636) INSULATION PRODUCTS. Form No. survey for answers to the difficult prob­ 48-967-A hy Union Asbestos & Rubber Co.. 1821 I MINES MAGAZINE I am interested In the following publications: This pattern of jointly financed recon­ lems of exploring the remote country of S. 54th Ave., Cicero, 111., contains 32 pages illus- naissance of a large area was first seen the north. tratins and deso'ibing iiroducts inanufacturetl by I 734 Cooper Building Nos, ...„ , in a five - company oil search in the this company which will he found advantageous in helping you to solve your insulation problems. I Denver, Colorado Bahamas, followed by other cooperative According to Thomas M. O'Malley, Drawings and engineering data are hichided which airborne magnetometer surveys in Vene­ President of Canadian Aero Service, Ltd., will be very helpful in workinc; up designs, 'i'em- ) Please Name perature tables show BTU losses from pipe radia­ zuela, Colombia, and Saskatchewan. The one or two Anson twin-engine planes will tion. Data tables sliow the thiclsness of insulation . have sharing of costs and data make it possible be used In the survey. The planes have necessary to be used, copies Street for all participants to obtain the regional been outfitted as complex flying labora- t mailed (5637) LABORATORY EQUIPMENT. "Announ­ City ,.. State picture important to geologists and geo­ (Continued on page 44) cer" Js'o ri0-(j-39 by Buureil Corp.. 2223 Fifth to: 31 30 THE MINES MAGAZINE ® AUGUST, 1950 THE MINES MAGAZINE AUGUST, 1950 Capability Exchange Committee Mr. McMichaei reported there are still more calls for men than there are men available. Further study will be made on the proposed employment OFFICERS OF ALUMNI ASSOCIATION EXECUTIVE COMMITTEE MEETING bulletin to determine if the activity should be carried on. JAMES COLASANTI, '35 The regular meeting of the Execu­ President tive Committee of the Colorado Contributions from alumni in gen­ A. GEORGE SETTER, '32 School of Mines Alumni Association eral and from those placed dropped Vice-President was held in the Alumni office on Mon­ off in June. ROBERT W. EVANS, '36 day, July 17, 1950. Kirk Forcade has been added to the Secretary The meeting was called to order committee. DONALD J. DRINKWATER, '42 During June there were 30 calls for Asst. Secretary at 7:45 P. M. by President Colasanti. men; 29 recommendations made; 6 MALCOLM E. COLLIER, '22 Roll Call placements reported; 836 letters Mines R.O.T.C. LeRoy W. Goodwin Treasurer Members present: James Colasanti, Excavation Work is Under Way mailed; 453 men on the active list; received a "satisfactory" rating as 29-j'ear old University of Colorado WILFRED FULLERTON, '12 President; Carl I. Dismant, Robert for construction of Coolbaugh hall, graduate, is the new director of the Asst. Treasurer J. McGlone. Committee chairmen. and 97 calls for men remain unfilled. a new million dollar chemistry build­ a result of the annual inspection for publication department at Mines, an­ ROBERT J. McGLONE, '27 Addison Manning, Roger Schade, Moved by Mr. Schade the report ing on Mines campus. This is the 1949-50. nouncement having recently been Esecu+ive Committee Harry McMichaei, Edwin White, be accepted; seconded by Mr. Dis­ first completely new building the Announcement was made by Major HARVEY MATHEWS, '13 made by President John W. Vander­ Herbert Heckt. Executive Manager, mant; passed. school has added since 1940. General John B. Coulter, deputy Executive Committee Frank C. Bowman. Membership Committee commissioner, headquarters fifth wilt. CARL I. DISMANT, '31 Estimated cost of the three-story Goodwin, succeeding Harry M. Mr. Bowman reported for Mr. Army. He said only "satisfactory" Executive Committee Members absent: George Setter, structure of brick and reinforced con­ and "unsatisfactory" ratings were Grain, who resigned earlier this j'ear, FRANK C. BOWMAN, '01 Vice President; Robert Evans, Secre­ Setter. On June 1, 1950, there were crete is a million dollars, including will handle public relation as well as Executive Manager tary; Malcolm E. Collier, Treasurer; 192 life members, 1676 annual mem­ given. The department at the Colo­ three large contracts to Denver con­ publications work for the country's Harvey Mathews. Committee chair­ bers, and 90 associate members in rado School of Mines was given an struction firms and $300,000 for fur­ men: Charles O. Parker, Lynn W. good standing. During June 94 an­ over-all satisfactory rating and similar outstanding mining college. nishings and equipment. With an COMMITTEE CHAIRMEN Storm, Harry McNeill, John Win­ nual dues were paid and 2 associate. scores for both administration and He attended grade and high school over-all size of 256 x 104 feet, the at Ellicott near Colorado Springs and chell. Moved by Mr. Dismant the report training. ADDISON B. MANNING, JR., '40 building will accommodate 12 class­ was graduated from the Colorado uni­ Athletic Minutes of the previous meeting, be accepted; seconded by Mr. Mc­ The report also complimented the rooms, a lecture hall with a seating versity journalism school in June, ROGER M. SCHADE, '21 June 19, 1950, were read and ap­ Glone; passed. Colorado School of Mines for its con­ capacity of 350 persons, and a number 1947, where he was initiated into Alumni Endowment proved. tinued maintenance of high standards Nominations Committee of special research laboratories, rang­ Sigma Delta Chi and Kappa Tau MALCOLM E. COLLIER. '22 President Colasanti called for the for ROTC training and for com­ Mr. Colasanti reported for Mr. ing in size from two-and-three man Alpha, national professional and hon­ Budqet and Finance Treasurer's report and the reports of mendable interest shown in the mili­ CHARLES O. PARKER, '23 Parker. The following nominations workshops to one with a capacity of the standing committees, as follows: tary training program by institutional orary journalism fraternities respec­ Nominations for officers for the year 1951 were 90 students. authorities. tively. His World War H record in­ HARRY J. McMiCHAEU '39 Treasurer's Report presented: The present chemistry building was cluded three and one - half years Capability Exchange Mr. Bowman reported for Mr. Preside lit— Enrollment last j'ear in the Colo­ constructed in 1879 and added to in rado School of Mines ROTC totaled service with the air force as pesonal HARRY L. MCNEILL Collier. The status of the Association Harvey Mathews, '13 1882 and again in 1890. 375. sergeant major and the infantry as Instructions Committee is about the same, financially, as it A. George Setter, '32 HERBERT W. HECKT. '36 Colonel Wendell W. Fertig, Corps rifleman and ordnance non-commis­ was this time in 194-9. For the 50% Roger M. Schade, '21 The new building will be dedicated Publications of Engineers, professor of military sioned officer. budget period 53% of the budgeted Vice President'—• in honor of Dr. M. F. Coolbaugh, The new publications director LYNN W. STORM, '02 income has been earned and 45.8% science and tactics, heads the program Research and Investigations Robert McMillan, '41 president emeritus of the College since at the college. worked for the past three years in the of the allotted expenditures have been Robert W. Evans, '36 his resignation in 1945. He served A. GEORGE SETTER, '32 newspaper field. He was first reporter spent. Receipts for subscriptions were R. Lee Scott, '42 as-head of the chemistry department Seventj'-one of the young men are Membership and later city editor of the ScottsblufE, JOHN H. WINCHELL, '17 down somewhat in June but the yearly Secretary— at Colorado School of Mines in 1917- now undergoing six-weeks training— total is up. Nehr. Daily Star-Herald and more Legislation Herbert W. Heckt, '36 18 after teaching at a number of other 32 at Ft, Belvoir, Virginia, and 39 at recently employed as feature writer ED. F. WHITE, '36 Moved by Mr. McGlone the re­ A. B. Manning, '40 institutions, returning in September, Ft. Lewis, Washington. Public Relations and photographer of the Grants Pass, port be accepted; seconded by Mr. D. J. Drinkwater, '42 1925 as president, a position he held Six Members of Mines ROTC Oreg. Daily Courier. Schade; passed. Treasurer— for 20 J'ears. now participating in the six-weeks Alumni Endowment Commi+fee Malcolm E. Collier, '22 PUBLiCATiON COMMITTEE Well known as an outstanding met­ field training at Fort Lewis, Wash­ Mr. Scha4e reported June receipts Member, Executive Committee— PERSOnflL nOTES allurgist, he is still active on the ington, have been designated as dis­ (Continued from page 8) HERBERT W. HECKT, '36 of $100.50, leaving a balance as of John H. WincheU; '17 campus and maintains a laboratory in tinguished military students: Keith Clem G. Hayes, '41, Construction Super­ Chairman Max E. Coates, '35 June 30, 1950, of $2305.63. Berthoud hall where he is engaging G. Comstock, Frank L Hiestand, intendent for Heron Engineering Com­ WILLIAM M. TRAVER, '16 James Colasanti, '35 During June the Placement fund Karl Knutson, Robert A. Martin, pany of Denver, is in Stockton, Caiifornia, Vice-Chairman in studies of cobalt. showed receipts of $132.94 and ex­ C.S.M. Foundation— where he is supervising the construction BERNARD M. BENCH, '30 Robert B. Morrison, and Roderick of a ski lift in the vicinity, penditures of $392.24. Wilfred Fullerton, '12^ Two Members of Mines Faculty HOWARD A. STORM, '29 K. Rawlins. Martin Hemker, Ex-'38, Resident Engi­ Moved by Mr. McGlone the re­ Edward P. Kingman, '34 attended a convention of the Amer­ CLYDE O. PENNEY, '36 These men were selected for the neer for Black & Veatch, Consulting port be accepted; seconded by Mr. Frank E. Briber, '16 ican Society of Engineering Educa­ Engineers, has moved his residence to MARVIN ESTES, '49 honor because of their outstanding Manning; passed. The proposed ballot was approved tion in Seattle held in June, Dean 3582 Outlook Avenue, Cincinnati 8, Ohio, qualities of military leadership, high Athletic Committee unanimously. M. L Signer and Assistant Professor Harley F. HotHday, '42, resigned his moral character and aptitude for the position with the Standard Oil Company Mr. Manning reported that as of Public Relations Committee Frank Campbell of the mechanical MEETINGS military service, in addition to their of Texas, to accept one as Petroleum June 30, 1950, the Alumni Loan Mr. White suggested that a letter engineering department. Engineer with the Republic National Bank academic grades and leadership in of Dailas, Oil Department. His new ad­ Executive Committee Meetings Fund showed a balance of $918.15 in be sent to the Salt Lake City chap­ The five-day gathering was held 3rd Monday of each month, Alumni OfEce, campus activities at Mines. dress is 1106 Odeans Drive, Apt. D, the checking account, and out standing ter requesting that a Mines dinner be entirely for instructors in engineering, 7:30 P. M. Upon graduation from Mines and Dallas, Texas. loans amounted to $503.00. held during the convention of the Aiuinni Council Meetings with more than seven hundred dele­ David A. Kellogg, '49, has accepted a American Mining Congress in Salt successful completion of their ROTC Twenty-two men are available for gates participating. position with Anaconda Copper Mining 4th Thursday of each month, Argonaut course, they will receive a commission Hotel, 6:30 P. M. alumni scholarships, thirteen were Lake City the latter part of August. Company at Butte, Montana, His mailing Dean Signer, accompanied by his as second lieutenants in the Organized address there is Room 516, Y. M. C. A. Publication Committee Meetings Publications Committee passed on by the committee but not T. J. Laiiison, '36, is now associated 2nd Monday of each month, Alumni Of­ wife, later visited the army installa­ Reserve Corps. In addition they will necessarily accepted. Mr. Heckt reported that for the with the Bosseck Co-op Corporation and fice, S P. M. tion at Fort Lewis, Washington, be eligible for consideration for com­ Moved by Mr. Dismant the report 50% budget period, 48.5% of the is residing at 521 Forest Avenue, Canon Capability Exchange Committee, Meetings where 39 Mines ROTC men are missions as second lieutenants in the be accepted; seconded by Mr. Mc­ budgeted income for the year has been City, Colorado. Wednesday 7:30 Week preceding Ex­ taking a six-weeks course. Regular Army. (Continued on page 36) ecutive Committee Meeting. Michaei; passed. (Continued on page 36) THE MINES MAGAZINE o AUGUST, 1950 33 32 THE MIN ES MAGAZINE ® AUGUST, 1950 ARIZONA GREAT LAKES 1874-191+, C. L. French, '13—Term 2 Years; 1915-1925, F. D. Kay, '31—Term Francis W. Mann, '43, President; R. D. Fer­ Two meefings in year, second Saturday in 4 years; 1926-1936, M. L. McCormack, '26 nald, '37, Vice President; Stanley Ohlswager, April and October. H. Z. Stuart, '36, Bisbee, Ex-'49, Secretary. Meetings: Fourth Friday, —Term 5 Years; 1937-1942. J. B. Peeso, Vice-Pres.; C. A. Davis, '27, Phoenix, Vice- January, April. October, Visiting Miners con­ Jr., '41—Term 3 Years; 1943-Date, Hans Pres.; V/. W. Simon, '15, Superior, Vice-Pres.; tact President, c/o Standard Oil Co. (Ind.), Warmbrunn, '43-—-Term 1 Year. B. G. Messer, '36, Secretary-Treasurer, Rt. I, Pipeline Dept., 910 So. Michigan Ave., With power to appoint the Section Box 40, Globe, Arli. Chicago t. chairman & secretary from within or without the Board as they saw fit. BAGUIO HOUSTON These groupings of representation Frank E. Delahunty, '25, President; Luther •V The happy outgoing officers, George Yea­ Albert L. Ladner, '27. President; McKay G. will stand until future committees W, Lennox, '05, Secretary-Treasurer, Ben- ger, '40, Secretary, left, and Bill Sparr, '39, Donkin, '29, Vice President; W. Bruce Bar­ find a change necessary to restore guet Consolidated Mining Co., Baguio, P. 1> President. bour. '37, Secretary, c/o The Second Na­ Meetings upon call of secretary. equitable group representation. tional Bank of Houston, Oi! & Gas DIv., After a short discussion, the whole V Seated, left to right—Mesdames Lugenbjll (only partially visible), Jones, Holman, Corn, Houston. Monthly luncheon meetings held Sparr, Sheriger, Goodale, Dowlin, Ritter, Hatch, and Yeager. Standing, left to right—Miners BARTLESVILLE on the first Tuesday at Noon, Tenth Floor of program as set up by the committee, Holman {only partially visible), Jones, Dowlin, Lugenbill, Riiter, Corn, Sheriger, Yeager, the Houston Club. Visitors piease contact Burt R. Kramer, '42, President; John W. was unanimously adopted. Hatch, Goodaie, and Bender, Photography by Bill Sparr, Tynan, '41, Vice President; Richard M. Brad­ the secretary at The Second National Bank The evening's entertainment was of Houston. ley, '36, Secretary, Cities Service Oil Co., two sound color movies of Saudi-Ara­ Bartiesville. Luncheon meetings every Friday The |atter presents were to make Howard Itten, '41; A. W. Musgrave, '47; bia, arranged for by Dick Buell '41, Chuck Andrew, Guest. noon in fhe Burlingame Hoie! Coffee Shop. KANSAS the Texas boys who will be playing of Cal, Tex. Oil, and shown by Joe All activities suspended. under his direction next fall feel at Parks, of the same Company. Both OKLAHOMA BAY CITIES home. Those boys, who include some were enjoyed and the season ended on Car! R, Holmgren, '38, President; M. E. Louis DeGoes, '48, President; George Play- pretty fair country football players, MANILA Chapman, '27, Edgar R, Locke, '28, C, O. ter, '30, Vice President; Clyde Osborn, '33, a light note. John R. Wagner, Jr., '40, President; Ernesto attended the meeting as guests of the Moss, '02, Vice Presidents; Philip C. Dixon, Secretary; James N. Peros, '38, Treasurer. Three members of the new Board C. Bengion, '21, Vice-President; M. M. section. They were Wilson and Le­ '31, Secretary-Treasurer, Midstates Oil Cor­ Visiting Miners contact Secretary, c/o Aycardo, Jr., '41, Secretary-Treasurer, 3rd being present and constituting a poration, National Bank'of Tulsa Bldg., Tulsa, Western Machinery Co., 762 Folsom Street, Roy Little, Bob Darney, Wallace Floor Soriano Bidg., Manila, P. t. Luncheon quorum, held a short session and Okla. San Francisco, Calif., Exbrook 2-4167. Oliver and Dick Self. In a couple of meetings second Saturday all even months named Domingo Moreno, '22, as "Basket Picnic," Redwood Regional Park, of fhe year, years they will be known as "That Redwood Canyon, Oakland, Calif., Sunday, Section president for the ensuing year. OKLAHOMA CITY V The somewhat smiling new officers, John Good Old Texas Line." August 20. Families and friends invited. Hatch, '36, President, and Bob Jones, Ex-'37, The appointment of a secretary will J. S. "Monty" Montgomery, '31, President; Phone secretary for further information, MONTANA Those in attendance at the meeting Secretary, right. be made at a full Board meeting. H, M. "Hugh" Rackets, '42, Vice President; A, B. Martin, '23, President; M, R. Hoyt. were: M. O. "Shorty" Hegglund, '41, Secretary- By the time the double bill was run Ex-'08, Vice-President; C. B. Hull. '09, Sec­ Treasurer, c/o Stanolind Oii and Gas Co., BIRMINGHAM NORTH CENTRAL TEXAS H. D. Thornton, '40; Henry Rogatz, oft everybody was famished and ready retary, 646 Galena, Butte, Montana. Meet­ '26; J. F. Neiil, '35; R. W. Tescii, '33; First National Building, Oklahoma City, Robert J. Blair, '39, President; Stanley M. ings upon call of Secretary. for the main event—food, of course. E. J. Brook, '23, President; J. W. Peters, '38, John B. Beville, Ex-'26; Jack W. Peters, Okla. Meetings, first and third Thursdays of Walker. Ex-'i!. Vice President; Hubert E. Vice President; H. D, Thornton, '40, Secty.- '38; H. S. Beeler, Ex-'30; J. D. Ferryman, each month at the Oklahoma Club. Lunch­ After dinner a short business meeting Risser, '37. Secretary-Treasurer, Bradford NEW YORK Treas. {Ft. Worth) 506 Neii P. Anderson '35; Lloyd W. Madden, '41; E. J. Brook, eon 12:00 Noon. AH Mines Men are cordially was called, with the big feature the Mine, Dixiana, Alabama. Meetings held Bldg., Fort Worth, Texas, Telephone: 3-3058; '23; Fritz Brennecke, Guest; Dick Self, invited to drop In. upon call of secretary. Visiting "Miners" Domingo Moreno, '22, President; Fred D. election of officers for the coming year. Henry Rogati, '26, Secty-Treas. (Dallas) Guest; Phil Garrison, '39; H. E. Itten, please contact secretary. Kay, '21, Secretary-Treasurer. Room 2202, After the smoke had cleared, John 1215-16 First Natl. Bank Bldg., Dailas, Teltas, '41; Wilson Little, Guest; Richard Hat­ 120 Broadway, Nev/ York 5, N, Y. Telephone: PACIFIC NORTHWEST Hatch, '36, was declared to be duly Worth 2-6720. Monthly meetings. Telephone: Riverside 4846. Four meetings field, Guest; John R. Evans, '23; R. L. CENTRAL OHIO during year, second Monday of month, Feb­ McLaren, '32; Roy F. Carlson, '48; James A. R. Kesling, '40. President, 2915 Holgate, qualified and was elected president. The last meeting of the season of ruary, May, September and November. L. Morris, '38; LeRoy Little, Guest; Ken Seattle; Phone: PR-7392. W. I. Sedgeiy, '40, Bob Jones, Ex-'37, less duly qualified, Roland B. Fischer, *42, President; Frank M. Nickerson, '48. Secy-Treas., 6040-36th Ave.. S. W. Seattle New York Section, Mines Alumni was named secretary. Stephens, Jr., '42, Secretary-Treasurer, Bat­ The North Central Texas Section 6; Phone; AV-8641, Meetings upon call of telle Memorial Institute, Columbus, Ohio. Coming from near and far, the Association was held at the Mining held its spring quarterly dinner meet­ Secretary. Bill Sparr, '39, having been re­ North Central Texas Alumni Associ­ Club on June 8th. ing at the Texas Hotel, Fort Worth, lieved of his duties as president, now CENTRAL WYOMING SECTION ation gathered in Dallas to hold their The group started gathering for re­ on Friday 21 April, 1950, The guest PENNSYLVANIA-OHIO ventured into a new field. As photog­ second annual barbecue. Herbert Schlundt, '43, President; Lynn D. freshments before 6 P. M., and at of honor and speaker of the evening SECTION rapher he snapped the priceless pic­ Ervin, '40, Secretary-Treasurer, c/o Stano­ 6:30' P. M. the following sat down to was Fritz Brennecke, Mines Mole­ Encircled by tubs of ice cold beer, John E. Hatch, '26, President; Robert W. tures submitted with this manuscript. lind Oi! & Gas Co., Casper, Wyoming. dinner: the traditional bull session got under­ Jones, Ex-'37, Secretary. 85 Aluminum Ter­ At the conclusion of the posing, every­ Meetings, first Saturday, March, June, Sep­ skin Mentor, who favored us with a Harry J. Wolf, '03; Donald Dyren­ race, New Kensington, Pa, Meetings upon one was more than ready to spend the tember, December. visit during a tour of Alumni sections way to an early start and was admir­ forth, '12; Clare L. French, '13; Fred D. call of officers. in the Southwest. Fritz gave us a ably sustained by the product of the rest of the evening in dancing and/or Kay, '21; R. B. Lowe, '22; Domingo talking. CLEVELAND Moreno, '22; A. K. Seemann, '22; M. L. frank and candid story of the work of hops. The Pennsylvania-Ohio Section of McCormack, '26; A. L. O'Tooie, '26; C. the Athletic department at Mines and Several of the memhers traveled the Colorado School of Mines Present for the dinner ?nd meeting Joseph R. Gilbert, '42, Secretary, 14513 F. Allen, '34; J. S. Kermedy, '34; M. A. showed excellent colored movies of well over 100 miles to attend the con­ Alumni Association met at the Uni­ were: Northfield Ave., East Cleveland 12, Ohio. Lagergren, '33; R. E. Buell, '41; W. H. Meetings last Friday of each month at the the 1950 Mines-Idaho State game clave with R. L, McLaren and son versity Club in Pittsburgh on March Martin Bender, '26; Larrv Corn, '40; Nikola, '41; J. Parks, Guest. Don Dowlin, '40; S. L. Goodale, '04; Carter Hotel, Cleveland, which was plaj'cd at Poeatella, Idaho, garnering the honors for coming the At our last previous meeting a 25, 1950. Twelve Miners and their John Hatch, '36; Bill Holman, '38; John last fall, greatest distance from home plate, nominating committee, consisting of ladies were present for food, films, Lugenbill, '41; Wayne Ritter, '36; Max COLORADO Don Dyrenforth, Harry Wolf and B reaking all precedents John Be- Henry Rogatz and Jack Peters and dancing. Max Sheriger, '23, fur­ Sheriger, '23; Bill Sparr, '39; George E. S. Hanley, "34, President; Herbert W. Yeager, '40; and Bob Jones, Ex-'37. Art Seemann, were appointed to ville presented Fritz with a real, who had the whole affair well planned nished an interesting picture showing Heckt, '36, Vice President; David Roberts, Joy Mfg. Co. equipment at work in '40, Treasurer; William J. Hoiiman. '43, nominate candidates to a Board of gaint-sized orchid on behalf of the and under control supervised the serv­ SOUTHERN CALIFORNIA Section. It is doubtful if any other various mechanized mines. The film Secretary, 930 Downing St., Denver. Coio. Governors with a recommendation as ing of the barbecue beef and beans. John Biegei, '39, President; A.J, Heiser, '43, Meetings upon call of Secretary. football coach in the U.S. has ever was in color, and the excellent photo­ to terms of office, having full powers Those attending were: Vice President; C. J. Cerf, '41, Treasurer; graphy greatly enhanced our quick to act for the New York Section. been presented with an orchid by an E. J. Brook, '23; Ken Nickerson. '48; Franklin S. Crane, '43. Secretary, c/o Oilweil EASTERN PENNSYLVANIA trip through the coal fields. Pictures Supply Co., 934 North Alameda St., Los This Committee proposed a division Alumni group. The usual presenta­ Herb Thornton, '40; Eddie Brook, '63; of the Homecoming game were also Angeles, Telephone; MUtual 73! L Samuel M. Hochberger, '48, President; Ar­ tion is the axe. Fritz also received as R. L. McLaren, '32; R. L. McLaren, Jr., of the Section personnel into five Scheduled meetings second Monday of Jan­ thur C. Most, Jr., '38, Vice-President, Sec­ a souvenir of his trip a Texas stetson '51; Henry Rugatz, '26; Jack Peters, '38; on the movie bill with Bill Sparr,'39, groups covering the years 1874 to Jim Ferryman, '35; Jim Neil, '35; Leon­ uary, April, July and October, at Officers' retary-Treasurer, 91-7th Street, Fullerton, and shirt. acting as narrator. Penna. Meetings upon call of Secretary. date, and then nominated as follows: ard Lipson, '47; Claude Jenkins, '52; (Continued on page 36) 34 THE MINES MAGAZINE • AUGUST, 1950 THE MINES MAGAZINE • AUGUST, 1950 35 COnTRIBUTORS TO J, H. McKeever, '47 Robert J. Black, '49 Howard C. Parker, '41 A. N. Nelson. '26 R. W, Parker, '49 Ed F. Porter, '40 PLflCEmEnT Funo Geo. A. Kiersch, '42 Lester B. Spencer, '44 Bert J, Shelton, V, '44 H, K. Schmuck, Jr., '40 G. H. Lancaster, '41 Raymond T, Burns, '48 These books may be obtained (Continued from page 6) R, L. Hennebach, '41 Marvin E. Lane, '44 E. C. Bengzon, '21 Roy F. Carlson, '48 A, G, Hampson, Ex-'51 D, A, Kellogg, '49 through the Book Department of Preston Grant, Ex-'33 Ralph L. Bolmer, '44 C. W. Gustafson, Ex-'34 Ben F, Angus, '29 The Mine:s Mogozine. Lester S. Grant, '99 Jas. D. Alderman, '49 T. E. Phipps, '49 Robert J, Rose, '35 T, H. Garnett, 'II Jos. R. Soper, Jr,, '44 D. W. Thompson, '42 A. Wiiiiam Parisi, '41 Jno. C. Mitchell, '39 K. T. Lindquist, '46 R. J. Arnold, '49 David P. Morse, '49 W. W. Lowrey, Ex-'41 Robt. F. Barney, '35 Vincent Miller, '35 J. W. Caldwell, Ex-'49 Hydrology-Fundamental Basis of ods and Valuation of Oil and Gas Prop­ contained throughout the bulletin. Robt. E. Simon, '48 Charles S. Pike, '39 W. H. Kohier, '41 Paul B. Davis, '39 Hydraulic Engineering erties. R. E. Watson, '43 Clyde 0. Penney, '36 Masami Hayashi, '48 By Daniel M. Mead, Former Professor, In discussing various subjects, many R. C. Cutter, '49 Jack Q. Jones, '40 R. K. V. Pope Hydraulic and Sanitar3' Engineering, Uni­ maps and drawings are used for illustra­ Subsurface Geologic Methods C. E, Stiefiien, '41 Thos. E. Gaynor, Jr., '48 Robert D. Bowser, '49 FROm THE LOCRl SECTIOOS versity of Wisconsin. Revised by Mead tion. Examples from well known oil fields 2nd Edition, compiled and edited by Dr. Heine Kenworthj', '32 R. P. Comstock, '41 Marvin H. Estes, '49 and Hunt, Inc., Consulting Engineers. have been selected for illustration and L' W. LeRoy, Colorado School of Mines. (Continued from page 35) Ardris Haig, '36 H. L. Gardner, '27 W. F. Edwards, '48 McGraw-Hill, N. V., N. Y., 1950. 728 structural maps with geological sections 1950. 1056 pages and index. Fabrikoid F. M, Melson, '25 increase the educational and practical bound. $7.00. G. A. Golson, '42 Russell Badgett, Jr., '40 Club, 2626 Wilshire Blvd., Los Angeles, 6:30 pages, 6 x 9. 397 illustrations. $7.50. W. P. Morris, '32 C. N. Bellm, '34 value of the hook. Over 100 drawings and L. G. Truby, '48 P.M. Phone Secretary for reservation. This book discusses the most important A number of articles and illustrations C. E, Dismant, '31 60 tables are used throughout the book K. H. Matheson, Jr., '48 Glenn E. Worden, '48 facts and principles in connection with have been added to the first edition G. Keith Taylor, '23 which will be found to be of a great heip Charles O. Clark, '49 A, E. Calabra, '48 modern hydrology. Subjects covered are published in 1949—in totai the book now T, L. Wells, '29 ST. LOUIS to the reader in becoming better ac­ R. K. Lisco, Ex.'47 E. C, Robacker, '42 the occurrence, utilization and control of contains 600 drawings and the works of Jean Goldsmith, '41 quainted with such an important subject. Fred C, Sealey, '17 S, H, Stocker, '42 James E. O'Keefe, '37, President; Floyd M. water; fundamental conditions which un­ 50 contributors writing on 60 subjects. It Oscar Davila, '47 Wm. G. Cutler, '48 Marion S. Bell, '49 Beileau, '23. Secretary-Treasurer, 955 Tuxedo derlie ail problems concerning the earth The author is to be commended upon is a distinctive contribution to the litera­ V. L. Mattson, '26 J. E. Serrano, '20 A. E. Falvey, '34 Blvd., Webster Groves. Mo. and continual changes in progress; winds the fine work he has done in the prepara­ ture of subsurface geologic procedures. D. C. Deringer, Jr., '24 D. R. MacLaren V. R. Martin, '41 and storms; hydrographj'; atmospheric tion of this volume that should be in the Subjects covered are; stratigraphic, J. W. Hyer, Jr., '42 A. E. Calabra, '48 Edw. C. Bryan, '42 moisture and evaporation; precipitation; library of every petroieum geologist and structural and correlation considerations; M, G. Zangara, '48 John A. Fraher, '44 Frank DeGiacomo, '32 UTAH rainfall measurements and recqrds; ail of those who are interested in the unconformities; sedimentary rocks; micro- C. E. Prior, Jr., '13 R. W, Moyar, '41 droughts; relation of rainfall and alti­ subject. paleontologic analysis; calcareous aigae; LeRoy G. Hall, '35 B. B. LaFollette, '22 E. L, Honett, '47 H. David Squibb, '34, President; Wallace tude; geological agencies and their effect detritai mineralogy; insoluble residues; Ralph Bowman, '48 N. S. Morrisey, '42 V. L. Lebar, '36 W. Agey, '39, Secretary-Treasurer, 852 So. upon hydroJogical phenomena; geology; petrofabric, micro, size, settling, stain, G. Featherstone, Jr,, '43 A. C. Levinson, '47 Ore Genesis-A Metallurgical interpretation W, M. Traver, '16 J. C. Carlile t9th East St., Salt Lake City 5. Utah. ground water; stream fSows and their shape, electron-microscope, X-Ray, multi- Orviile P. Smith, '49 By John Stafford Brown, Ph. D., Chief ' pie-differentia! thermal, water, core, shale, George D. Tarbox, '38 P. E. Leidich, '43 variation; floods, their occurrence and John A, Bowsher, '34 C. B. Larson, '23 Geologist, St. Joseph Lead Co., Hopewell density and fluoro analyses; sampling and Julian B. Willis, '40 control; and finally, the application of J. C. Stipe, '40 C. L. Fleischman, '30 WASHINGTON, D. C. Press, Hopewell, N. J. 204 pages, SVz x examination of well cuttings; electric, in­ John J. Butrim, '42 hydrology. Chas. L. Wilson, '44 Jos. E. Hatheway, '41 SVa. $3,50. duction, radioactivity-well, caliper, tem- David P. Morse, '49 Marcus S. Geiger, '37, President; Frank Throughout the book will be found Victor R. Martin, '41 Mario Fernandez, '39 The author of this book proposes a new (^erature, drilling-time, driller's spectro- N, H, Norby, '49 E. Johnson, '22, Vice President; Leroy M. many tables, charts and maps besides il­ D. J. McMullen, '44 Vincent L. Barth, Ex-'41 hypothesis as to the origin of ore deposits. chemical sample and composite-cutting- Wm. M. Aubrey, Jr., '43 Otis, '14, Secretary-Treasurer. Muirkirk, lustrations which help the reader to obtain Paul B, Davis, '39 R. E. Marks It is the main belief of the author that the analysis logging; well logging by drilling- Maryland. a much clearer understanding of the sub­ W. K. Dennison, Jr., '40 , Robert W. Price, '35 C. M. Hales, '48 mud and cutting analysis; controlled ject. In connection with each chapter will facts available in the history of ore de­ John J. Rupnik, '33 A. A. Bakewell, '38 Walter H. Ortel, '49 directional drilling; oil well surveying; Scheduled evening meetings called for the be found an important list of literature posits do not justify the formulation of E. C. Philpy, '49 W. P. Giilingham, '47 Peter C. Cresto, Ex-'50 oriented cores; magnetic core orientation; third Thursday of every other month at the which may be referred to for additional some of the present working hypothesis. V. G. Gabriel, '31; '33 Geo. O. Argail, Jr., '35 William H. Volz, '39 core techniques and applications; applica­ Continental Hotel, Washington, D. C. Spe­ information on any particular subject cov­ In view of the data accumulated over Robert G. Wheeler, '49 Theodore W. Sess, '34 Gene W. Hinds, '49 tion of dipmeter surveys; design and ap­ cial meetings arranged when warranted. ered by the book. recent years, the author believes that the Dale Nix, '26 Robert L, Garrett, '45 R. E. Morrison, '41 sequence of deposition of the minerals is plication of rock bits; deep-well camera; To the Hydraulic Engineer, this book E. E. Hand, Jr., '12 V. L. Easterwood. '49 Stanley W. Parfet, '42 directly related to their specific gravity the electric pilot in selective acidizing; will be a valuable and important addition W. E. Burieson, Ex-'26 A. F. Suarez, '41 T. J, Sanna, '41 fliumni BUSinEss and such a sequence is shown to corre­ permeability determinations and water to his library. Xo others, who are inter­ John C. Dyer, '27 P. Alber Washer, '26 M. W. Mote, Jr., '49 (Continued from page 32) spond very closely to accumulation of locating; the porosity and permeability of ested in gaining additional knowledge Geo. M. Thomas, '44 James E. Werner, '36 E. E, Ruley, '43 mixed sulphides in the blast furnace. clastic sediments and rocks; drilling fluid earned and 35.5% of the allotted ex­ pertaining to factors controlling weather Ninetta C. Davis, '20 Thomas H. Cole, '43 John Labriola, '49 chemistry; hydrafrac treatment; forma­ penditures have been spent. conditions and water supply, this book Case studies of sulphide ores illustrat­ William S. King, '49 Alex A. Briber, '48 Charles B. Foster, '27 ing hypothermai ores, mesothermal de­ tion testing; oil well cementing; well Mines Magazine is $1034.00 below will prove to be a valuable reference Chas, M. Tarr, '38 C. F. Cigliana, '41 Edmond A. Krohn, '43 posits and epithermal deposits are in­ acidization; geochemical methods; sec­ George E, Norris, '27 M. L. Euwer, '25 the advertising budget for the period, library. It combines in one publication ele­ ondary recovery of petroleum; valuation W. W. Fertig, Ex"'24 ments affecting weather and rainfall cluded. Gold, silver, bismuth and A, W. Hduck, '36 L, E, Sausa, '38 David P, Morse, '49 however taking into account the Year mercury are considered in the sulphide and subsurface geology; duties and re­ William G. Park, '49 A, B, Carver, '25 which are oaXy partially covered by other ports of the subsurface geologist; graphic Charles P. Gough, '48 Book the magazine is $126.00 ahead sequence. L. D. Turner, '41 technical and scientific publications. representations; subsurface maps and il­ James M. Perkins, '49 D, W, Gunther, '39 The author discusses the broader im­ J. L. Soske, '29 of the budget. lustrations, subsurface methods as applied R. A. Marin, '45 Eugene F. Klein, '43 plications of the metallurgical hypothesis Jno. B. Botelho, '42 The July issue should be mailed in mining geology and geophysics; geol­ J. W. Bodycomb, '48 Silas DoFoo, '41 and its relationship to ore deposits. In ogic techniques in civil engineering and D. B. Mazer, '47 John E. Moody, '39 about the 20th. Principles of Petroleum Geology this discussion he thoroughly analyzes the k. B, Nelson, '47 sources of well information; and subsur­ Joe T. Robison, '49 Edw. S. Larson, '23 Moved by Mr. White the report By Cecil G. Lalicker, Professor of Ge­ facts that exist and reasons for conclu­ Charles W. Tucker, '47 face and office representation in mining James W. McLeod Alan E, Hall, '39 ology, University of Kansas. Appleton- sions. Supporting evidence and opinions Billy F. Dittman, '49 be accepted; seconded by. Mr, Dis­ geology. Douglass F, Evans, '25 Edw. W. Anderson, '43 Century-Croft, Inc, New York, 1949. 377 are discussed and the application of the W. Fred Gaspar, '43 mant; passed. Chas. T. Pease, '48 L. S. Woeber, '22 pages, 6" X 9". Illustrated. $5.00. metallurgical hypothesis to some contro-. John H. Winchell, '17 Louis Hirsch, '49 D. L. Cedarblade, '44 Adjournmenf This book gives the stratigraphic and versial problems in widely distributed H. A. Bruna, '41 Eari H. Miller C. W. Gustafson, Ex-'34 C. C. Crawford, '40 The meeting was adjourned at geographic distribution of petroleum in areas. Motor Oils and Engine Lubrication M. L. Talley, '49 Charles S. Knox, Ex-'27 R. S. Warfield, '48 9:20 P, M. considerable detail. The principles of pe­ The author Is very convincing in his By Carl W. Georgi, Technical Director, L. F. Borabardieri, '41 S, R. Licht, Jr., '43 troleum geology, origin of oil and gas R. S. Bryson, '49 arguments and discussions and certainly Research Laboratories, Quaker State Oil T. E. Howard, '41 R. E. G. Sinke, '39 structures and petroleum discovery meth­ Ernest E, Braun, '49 much fond for thought can be obtained Refining Corp., Vice-President, Enter­ D. M. Coleman, '49 H. Dell Redding, '47 ods are well covered. Examples, repre­ prise Oil Co., Inc., 1950, 515 pages. Illus­ C. D. Frobes, '24 PERsonni noTEs by all geologists interested in ore genesis C. J. McGee, '47 F. W. Mann, '43 (Continued irom page 33) sentative of oil and gas fields from various by a study of this book. trated. Tables and Charts. $8.50. Andrew Milek Louis C. Rubin, '27 E. H, Shannon, '36 Frank M. Lee, '27, is Engineer in petroliferous provinces in the world have This subject is one that has received a Chas. B, Hoskins W. T. Townsend, '48 Arthur G. Wood, Jr., '41 Charge of the Oregon Shore contract of been wel! selected. The influence of ge­ great deal of attention from research Jack F. Frost, '25 Edmond A. Krohn, '43 George E. Wagoner, '28 McNary Dam with address McNary, ological factors on recovery methods and The Interstate Oil Compact Commission workers in trying to produce improve­ C. E. Osborn, '33 Wm. G, Robinson, '48 H. Y. Yee, '38 Oregon. valuation of oil and gas properties has Bulletin May 1950. This bulletin con­ ments and new lubricants to fill the needs John M. Suttie, '42 John Robertson, '22 been given carefui consideration. R. W. Deneke, '43 Joseph M. Maxwell, '30, in the Land taining 90 pages covers the 1950 Spring of ever increasing temperatures and H. Z. Stuart, '36 T. A, Manhart, '30 Frank E. Love, '36 Department, Union Oil Company, of Cali­ A good idea of the extensive coverage Meeting at Blloxi, Miss. In it will be speeds of engines and equipment, The R. E. Lintner, '43 John M, Carpenter, '35 fornia, has moved his residence to 923 of this book will be gained from the fol­ found addresses and papers delivered and author approaches the subject by discuss­ M. 0, Whitlow, '49 N, E. Maxwell, Jr., '41 Paul M. Tyman, '44 Pershing Street, Bakersfield, California. lowing list of main subjects discussed: reports from various state governors and ing classifications, definitions and specifi­ Clark W, Moore, '32 M. B. Seidin, '48 John J. Folger committees. John R. McMinn, '42, resigned his posi­ Geographic and Stratigraphic Distribu­ cations which play an important part. Ben E. Terry, '33 John F. Whalen, '49 Charles F. Allen, '34 tion with Trigood Oil Company at Wor­ tion of Petroleum, Chemical and Physical One report of special interest is on the Specifications covering various types of Jack D. Duren, '48 A, L. Carver, '43 R. A. Gustafson. '47 iand, Wyoming, to become associated with Properties of Petroleum and Related Sub­ experiment in the underground gasifica­ engine tests and properties of lubricants i*. M. Ralph, '48 J. P. McNaughton, '42 Donald W. Roe, '44 Fred M. Manning, Inc. He is being ad­ stances, Origin of Petroleum, Migration tion of coal at the Gorgas Mines of the are covered in detaii. Methods of testing David P. Morse, '49 W. E. Ellwanger, '43 Harry E. Lawrence, '48 dressed in care of the company, Box 232, and Accumulation of Petroleum, Reservoir Alabama Power Company by James L. and evaluating performance characteris­ John Robertson, Jr., '49 John W. Chester. '44 Pitt W. Hyde, '22 Breckinridge, Texas. Rocks, Classification of Oil and Gas Pools, Elder and another by R. B. Anderson tics of motor fuels are discussed. Attention F. L. Stewart, '43 W. T. Millar, '22 Joseph C. Knight J. R. Medaris, '49, has been transferred Origin of Structures, Anticlines, Domes, brings out the value of conservation while is called to the importance of viscosity K. E. Lindsay, '40 John M. Tufts, Jr., Ex-'38 R. J. Knox, '49 from Pauls Valley, Oklahoma, to Eureka, and Synclines, Reservoirs Caused by a third discusses the relation between index in all phases of motor lubrication. Faulting, Salt Dome Oil Fields, Buried L. H. Shefelbine, '43 A. F. Boyd, '26 W. M. Gebo, '23 Kansas. He is serving as Junior Engineer market demand and physical waste to­ In the chapter on oil refining, typical Hills, Stratigraphic and Porosity Type L. E. McCloskey, '47 David P. Morse, '49 D. F. Sylvester, '38 for Phillips Petroleum Company. gether with the necesisty for limiting pro­ examples are given of the chemical struc­ Fields, Petroleum Discovery Methods, Ge­ C. A, Einarsen, '47 Thos. P. Bellinger, '47 duction of oii to within reason. B'esides ture of petroleum hydrocarbons. The sub­ G. S. Schoenwald, '48 CContinued on page 42) ological Considerations in Recovery Meth­ these there is much valuable information ject of motor oil additives and synthetic 36 THE MINES MAGAZINE 9 AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 37 ComUy, Colorado, fuels is an important part of the book. Geology of the Quien Sabe Quadrangle Colo., his mother, Mrs. E. H. Bebee By Ogden Tweto, 1949. $2.00, Many types and varieties of engine fail­ California, and Quicksilver and Antimony of Beaumont, Calif,, three brothers, Deposits of the Stayton District, Colorado Scientific Society Proceedings, ures and operating conditions are dis­ Volume 15, No. 5 five sisters, and three granddaughters. cussed together with causes and remedies, California The Gunnison Forks Sulfur Deposit, Two sons were killed in World War A large portion of the book is devoted to Bulletin 147, 1949. By Carlton James Leith, California State Division of Mines, Delta County, Colorado II, John in Luxenbourg in January the application of motor oils and their By McClelland G. Dings, 1949, 75c. Ralph T. Duffner * Born in Dtnvtv in 1891, Mr. Be­ relation to engine design, operation main­ Ferry Bldg., San Francisco 11, Calif. 60 1945, and Eben in Okinawa in May pages. 7 geological maps in color. $1.75. Colorado Scientific Society Proceedings, passed away in Albuquerque, New bee was taken to Cripple Creek when tenance and failures. Valuable informa­ Volume 15, No. 6 of the same 5'ear. tion is given to aid in the correction of The Quien Sabe quadrangle, located 90 Mexico, on March 22, 1950, follow­ he was a young boy and there he spent miles southeast of San Francisco and 13 Geology a?ld Fluorspar Deposits of the his entire life, with exception of the While at Mines Mr. Bebee was a such failures and in the improvement of Si. Peters Dome District, Colorado ing an operation. miles east of HoUister, covers portions of member of Beta Theta Pi, social fra­ engine design. By Thomas A, Steven, 1949, 75c, years of World War I in which he the counties of San Benito, Merced, and Throughout the book many illustrations served throughout witli the armj' ternity, and Tau Beta Pi, honorary are used together with charts showing Santa Clara. It includes a portion of the engineering fraternity. He was an crest of the Diablo Range of the central engineers. performance and much tabular informa­ active member of St, Andrew's Epis­ tion. Many references are included which Coast Ranges of California, and lower Saving Your Oil Having beeir reared, as he was, in rolling country toward the San Joaquin By Interstate Oil Compact Commission, copal church, a member and Past will be especially valuable to research an active mining camp, it was only workers on this subject. The book is one Valley to the east. Box 3127, State Capitol, Oklahoma City Master of the Cripple Creek Lodge natural that he should desire educa­ that will not only be valuable to lubrica­ This bulletin has sections on geomor­ 5, Okla. No. 96, A,F. and A.M,, the Cripple tion as a mining engineer and, upon tion engineers and service engineers but phology, stratigraphy, structure, geologic This book contains 20 pages of examples Creek Elks lodge, the American Min­ also to the average layman interested in history and economic geology (including of conservation achievements of the states completing his high school work, he ing Congress, the Colorado Mining this particular subject. Engine designers discussions on the manganese, antimony, as told by their Governors. Factors neces­ entered Mines and was graduated and quicksilver prospects located in the Association, and the American Insti­ as well as technical service and sales sary for a good conservation program are with the class of 1915. engineers will find this publication a valu­ area). It contains 2 figures and 7 plates, briefly listed. The outline Is given of the tute of Mining and Metallurgical able reference book. including colored geologic and economic problems of conservation and its import­ After his return from the army he Engineers. The information contained has been mineral maps, scale 1:62,500, an index ance to the petroleum industry. Copies becatue associated with the Vindicator well selected and arranged to furnish the map, stratigraphic column, and a struc­ may be obtained free by writing to the and Cresson mines and was promoted ture section. The book also contains 4 address above, maximum information on a broad subject. rapidly. In March 1938 when he was Herberf E, Badger Its value and importance will soon be dis­ pages of pictures. covered by those who are fortunate Included in this same bulletin is a de­ superintendent of these properties he of the class of '02, died at his home enough to obtain copies for study and tailed economic report prepared by the California Oil Fields, 35th Annual Report was appointed general manager of all in Greeley, Colorado, after a six- reference. Geological Survey, Department of the In­ By Division of Oil and Gas, San Fran­ the Carlton interests in the district weeks illness of cardi thrombosis. terior, Quicksilver and Antimony Deposits cisco, California. RALPH T. DUFFNER and later was named vice president of of the Stayton District, California, by This summary of operations covering the Golden Cycle Corporation. This QyaHty Control and Statistical Methods Edgar H. Bailey and W. Bradley Myers, At the time of his death he was the period from January to June 1949, By Edward M. Schrock, Refrigeration The Stayton district is located within the took him to Colorado Springs for part contains a report on Paloma oilfield in­ serving as geologist in the Fuels Quality Control Division, General Electric Quien Sabe quadrangle and is the prin­ of his time. cluding structural maps and logs of wells. branch of the U. S. Geological Sur­ Co., Erie, Pa. 1950. 250 pages. Tables and cipal commercial mineral-bearing area in Recent developments in Tar Sands of charts. $5.00. it. It contains 4 plates and 4 figures, in­ vey. He entered the employ of the He was devoted to the mining pro­ the Huntington Beach Oil Field are re­ This book presents modern techniques cluding economic maps and sections, an Geological Survey in the fall of 1947 fession and to the Cripple Creek ported on. The Kirby Hill Gas Field is of quality contro! and statistical methods index map, and 3 geologic maps. It in­ as an airborne geophysicist in the Ge­ covered for the first half of the year. Sta­ district and was always planning im­ that may be applied to industrial problems cludes a description of the history and tistical data on production of California ologic division, from which he was provements for the district and carry­ in order to insure a product with quality. production, geology, ore deposits, reserves, fields gives the production of both oil and transferred to the Fuels branch in Quality control charts are thoroughly cov­ suggestions for prospecting, and a de­ ing them through. One of the out­ gas. ered and in this connection, their applica­ scription of the mines. July 1948. standing monuments to his memory is tion and interpretation is explained so as An index is covered including all state the Carlton drainage tunnel which oil and gas publications. Mr, Dulfner was a native of New to make use of important data in the solu­ has prolonged the life of the mining tion of problems at hand. Baden, Illinois, but received most of Drilling and Sampling Bituminous area. It was also his decision which led Those who are new in this field will Sands of Northern Alberta his elementary education in Denver. to the building of the new Carlton find a fund of information that will assist By Dept. of Mines and Resources, Ot­ No Ghost Towns—No Empty Fuel Tanks Upon his graduation from South them in improving their effectiveness in tawa, Canada. In three volumes. Vol. 1— By R. B. Anderson, President, Texas Denver high school he entered Mines gold reduction mill which is being appraising and controlling the quality of $.25. Vol. II—$5.00, Vol. Ill—$10.00. Mid-Continent Oil and Gas Assn., and constructed to process the ore near to H. B, Fell, Exe. Vice Pres., Independent and received his degree in geophysics products to be produce(i. Standard meth­ Volume I contains results of investi­ the mines. Petroleum Assn, of America., Interstate with the class of 1942. ods of sampling deviations and their sig­ gations from 1942 to 1947 with sketch Compact Commission, Oklahoma City, nificance is covered in a separate chapter; maps showing the area covered, His first employment was with the HERBERT E. BADGER Okla. 1950. 27 pages. Free. also a chapter is devoted to the methods Volume II contains detailed drilling and National Geophysical Company from of least squares and correlation. It is sampling records. This booklet explains the benefits de­ Mr. Badger was a native of pointed out that this is one of the simplest which he resigned in February 194.3 Volume III contains cross-sections and rived by the general public from the Greeley and returned there to reside and most effective ways of approach to states' conservation program and how to enter the Navy. He served for plans of the ores drilled. in 1930 after 22 years as a contractor, the solution of many problems. These publications may be obtained this conservation is an insurance against three years as personnel and electrical The author, by reason of his many from the Department of Mines and Tech­ ghost towns and empty fuel tanks, it also maintenance officer, being discharged doing wet and dry excavation, coal years of experience in metallurgical statis­ nical Surveys, Ottawa, Canada. explains the relation between market de­ with the rank of Lieutenant, The fol­ stripping, and drainage work in Iowa, mand and physical waste. The material tical quality control work, is well qualified Illinois, North and South Dakota. to select and combine into one publication in this publication was presented at the lowing year he took graduate work at Plines and then accepted a position Upon his return to Greeley he es­ such factors as will be of greatest value America iJnder Socialism meeting of the Interstate Compact Com­ to others. This book is a marvelous ex­ By The National Research Bureau, Inc., mission, Biloxi, Miss., May 6, 1950. Copies with Schlumberger Well Surveying tablished himself as a real estate ample of the author's ability to clarify 415 N, Dearborn St., Chicago 10, 111, may be obtained free. Corporation which he held until going broker. the difficult subject, This new booklet designed especially with the Geological Survey. Through his business and his ac­ for distribution to employees of members tivities in the Knights of Pythias Index to Well Samples of civic groups contains 16 pages of 4- In August 1949 Mr. Duffner was By Dan E. Feray and Jasper L. Starnes, color illustrations telling the story by pic­ married to Miss Barbara Ann Whirry lodge, Mr. Badger became well University of Texas, Austin, Texas. 1950. tures of what happens when Jack Hanson, Well known of Denver who survives him. Other known throughout the state and made 148 pages, ^Vz x 11%. Paper bound. $1.65. a "regular fellow," becomes blinded by Geophysical Company survivors are his mother, Mrs, Cecil many friends. In 1946 he was made the bright promises of so-called security. This publication listed as No, 5015 is Duffner, and a sister, Mrs. Virginia Grand Chancelor of Colorado of the As the story unfolds, the Socialist State has positions open for published by the Bureau of Economic Ge­ ALFRED H. BEBEE ology, Dr. John T. Lonsdale, Director, graduall}'^ controls more and more of his Arthur, of New Baden, Illinois, and Knights of Pythias. University of Texas, Austin, Texas, and life and freedom. This booklet gives a TOP MEN a brother Comdr. G. J. Duffner, Md., At the 75th Anniversary celebra­ Mr, Badger was twice married, good idea of the "road ahead," May be is an index to a collection of weli samples as of San Diego, California. tion at Miii.es last fall Mr, Bebee was first to Mamie Grahaiu of Greeley which the Bureau has been accumulating obtained free by writing to the above ad­ PARTY CHIEFS since its establishment in 1909. The collec­ dress. He was a member of the Society of awarded a distinguished service medal and several years after her death to tion includes samples from nearly 30,000 COMPUTERS Exploration Geophysicists and the for his outstanding achievement in the Mrs. Ethel C. Colyer of Omaha, Ne­ wells from all parts of Texas. OBSERVERS Mathematical Association of America. field of mining. braska, who survives hitn. He is also The information in the index is ar­ New Geological Publications survived by two daughters, Mrs, SURVEYORS He is survived by his wife, the for­ ranged alphabetically, by counties, then The new geological publications listed Mary B. Mitchell of Grover, Colo­ by companies and then by fee owner and below, are now available at 214 New Alfred H. Bebee mer Nett3'e Nicholson of Cripple Write - Phone or Wire number. The well sample library refer­ Customhouse, Denver, Colorado, at the one of the outstanding mining men Creek, to whom he was married in rado, and Mrs. Alice B, Booth of La ence number is given as well as the depth prices shown. "Mines" Placement Service of the west, passed away at the Crip­ 1919, a son Alfred, Jr., Mines '42, of Jolla, California, and a son, Robert Colorado Sciejitlfic Society Proceedint/s, range of samples in each well. The index 734 Cooper Buiiding ple Creek, Colorado, hospital on May Cripple Creek, a daughter, Mrs, E. Badger of Denver, and a step-son, includes samples processed up to June 1, Volume 15, No. 4 Denver, Coio. Richard C. Colyer of Austin, Minn. 1948. Stratigraphy of the Pando Area, Eagle 4 after some months of failing health. Robert Thomas of Fort Collins, 38 THE MINES MAGAZINE • AUGUST, I THE MINES MAGAZINE 9 AUGUST. 1950 39 44S7. Investigation ot file Townsite zinc and lead 4518. Examination, mapping, and sampling of Mr. Rugg, of the class of '43, is Engi­ iiiiue, Ottawa Oounfy, Okla., by Cluiton C. Knox. mine shafts and undergi'ound workings, Leadville, 13 pp. 6 figs, Lalte County, Colo., by Norman Ebbley, Jr., neer for the Texas Company at Calpet, 4488. Investigation of Rush Creek zinc district, and John I, Schumacher. 115 pp. 6 0 figs, where he and Mrs. Rugg are now at jMarion County, Ark., by Louis U. Brichta, 15 pp. 4519. Production of ductile titanium at Boulder home, only one copy to person applying. Write to Section of Publications, U. S. •I ligs. City. Nov., by F, S. Wari^man, J. P. Walker, H, The following publications are free, 4489. Invcstigalion of the Kline and Fre,y zmc O, Fuller, M. A. Cook, and E, L, Anderson, 37 Howard - Davis tracts, Wenlworth mining district, Lawrence and pp. 2 figs. Gives an a.ccount of the production of Bureau of Mines, Washington, D. C. Newton Counties. Mo,, by Louis C, Brichta, 27 ductile-grade titanium powder in 100-pound Miss Donna Lee Davis and Edward E, pp, 6 figs. hatches hy reduction of purified titanic chloride Howard were united in marriage the eve­ 4490. l^inc-Iead ore reserves of the Tri-Stato dis­ with magnesium. REPORTS OF INVESTIGATIONS trict, -Missouri-Kansas-Oklahoma, hy Otto Huhl, 4520. Investigation of coai deposits in south ning of June 24 in the Wheatridge MINERAL MARKET REPORTS INFORMATION CIRCULARS Simeon A. Allen, and Stephen P, Holt. 59 pp. central Alaska and tho Kenai Peninsula, by Al­ Methodist church. U. S. Bureau of Mines S figs, Zinc-lead ore reserves of the Tri-Statc bert L. Toenges and Theodore R. Jolley, 37 pp, Both of them are graduates of the U. S. Bureau of Mines U. S. Bureau of Mines district ot Missouri-Kansas-Oklahoma are esti­ S figs, Wheatridge high school. The bride then 4453. Investigation of Hush Oreek lead-zinc de­ mated at 66,100,000 tons of niinable ore. 4521. Bauxite investigations, Eufaula district, 7529. Phosphate-rock mining in sontliea stern 4491. investigation of Vest nickel prospect, ]''Joyd Harbour and Henry Counties, Ala,, by S. A. Allen. attended and was graduated from the MMS 1769. Production ot rolied zinc in 194S— Idaho, by D. W. Butner. 18 pp. 5 flgs. _ posit, Mono County, Calif., by E. J. Matson. 4 pp. final annual lifoires. % pp. County, Va., by Wesley A. Grosh, 4 pp, 4 figs, 85 pp. 112 figs. Describes an investigation that Southern seminary and junior college at MMS 1770. Sand and gravel in 1948. 6 pp. 7530. Routine ventilation surveymi! m boutii 4492. Investigation of the Scarlet copper mine, added 820,000 tons of recoverable, cniiimercial l\ales anthracite mines, by Gloyd M. bniith. 11. 4454!' Investigation of Running Wolf iron de­ Buena Vista. Virginia, whiie the groom MMS 1771. Portland and otiier hydraulic ce­ posits, Judith Basin Ooimty, Mont., by Robert N. Randolph County, N, C., by JI. IL Kline and H. grade bauxite to the Nation's known reserves, ments iu 1948—final annual figoves. 8 pp. pp 2 figs. Describes how a British anthracite- G, Dosh. 10 pp, 7 figs, 4522. investigation of iCavhonato King zinc mine studied at Mines for his degree in metal- mining company conducts periodic ventilation Robv. 7 pp. 3 figs. > , , ., MMS 17712. Secondary aloroiniini in 104S— 4455. Petroleum-engineering study of Atlanta on 4493. The Leadville drainage tunnel, Lake (Crystal Gave group), San Bernardino County, which he received this past May. annual fiffurea, 5 pp. , siirvcj's of its 24 collieries in South Wales. Comity, Colo., by Robert A, Elgin, M, K, Volin, Calif., hy Frank J. Wiebelt. 10 pp. 4 figs. 7531. Publications of the Bureau of Mines on field, Columbia County, Ark., by O. IL Riggs. and .lames W. Townsend. 37 pp. 21 figs, The couple are now at home in El Paso, MMS 1773. Secondary antimony in 1948—nnai 55 pp 23 figs. Describes reservoir conditions and 4523. Labora.tory study of asphalts from native annual flaures. 2 pp, - , n i o coal washing, compiled by William L. Orenta. 4494. Investigation of copper-bearing pyrite ores. bitumens and bituminous sandstones, by Rethel Texas, where Mr. Howard accepted a 7 pp. Lists 64 publications on coal washing is­ oil-production history of the Atlanta oil field I'yiiton, C'lay County, Ala,, hy H, D, Pallister MMS U774. Secondary copper and brass in ly^b 4459. Physical properties of mine roclt. ± arc 1, L. Hubbard and K. E, Stanfield, 22 pp. 2 figs. position with the Phelps-Dodge Refining —final annua! fipnireB. e pp. sued during the past 39 years. , , , .-^^ and J, H, Thoenen, Jo pp. 7 figs. 7532. licpoit of Petroleum and Natinai-ij.as hy S. 1.. Windes. 79 pp. 10 figs. . , ^ , Corporation, MMS 1775. Secondary lead in 1948—final an­ 4460. Explosive propertiiK of hydrazine, by l?ranif 4495. Investigation of the Ivwinton bauxite dis­ nual fiKures. 4 pp. . , „, c liranch, fiscal year 1948, by K, A. Oattcll and trict, Wilkinson Countv, Ga., by William A. others. 64 pp. 30 figs. Gives results of rcsearcli E. Scott, John J. Bums, and Bernard Lewis. IS Beck. IG pp. 2 figs, MMS 1776, Secondary maKnesiuui m 19^s— pp. 5 figs, lit Bradley - Mitchell final annual figures. 2 pp. program conducted by the Petroleum and i\at- 4496. .investigation ot the Thompson magnesium ural-Oas Branch during the fiscal year. 4461. A method for the spectrochemical determi­ well, Cirand County. L'lah, by C, 1^. Sevei'y, M. Mr. and Mrs. Richard M, Stewart are Hugh E. Bradley, who was graduated MMS 1777. Secondary nicltel in 194S—final an­ nation of thallium in ores, concentrates, dusts, nual figures. 2 pp. , > 7533. Suspension roof support, n-ogress ''epo" 1. IL Kline, and Paul T. Allsman. 21 pp. 8 figs, from Mines this year, and Miss Betty L. bv Kd^ard Thomas, A. J. Barry, and Arthur Met­ and chemicals, by Graham W. Marks and E. \ . the parents of a datighter, Marilyn, who MMS 177'8. Secondary tin in 194S—final annual 4497. Investigation of Idol and Dalton zinc de­ Mitchell, daughter of Mr. and Mrs. figures. 2 pp. „ , calfe. 13 pp. 19 iigs. now the Bureau ot Mines Potter. 13 pp. 8 figs. 1 • f „.v, posits, Grainger Oounto', Tenn., by Richard L, arrived at their home in June 1949, The MMS 1779. Secondary zinc in 194S—^fiiial an­ has adapted suspension supports to conditions 4462. Lime-soda sinter process for alumina uom Sayvs and Austin B, Clayton, 4 pp. 7 figs. family is living in a house trailer which Walter Mitchell of Denver, were mar­ found in American coal mines, in an mtensne nual figures. 4 pp. _ high-silica bauxites: Laboratory and pilot-plant 4498. Pilot-plant piodnction of steel from sponge is instaiied on lots they have bought in ried the evening of May 27 at the Wash­ MMS 1782. Distribution of rennsyl\ania antlira- attack upon the problem of preventing mine root and rock from falling prematurely. tests, by John E. Conley and Milford L. bkow. iron, by W, W. Stephens and J. L. Morning, 21 ington Park Community church in Denver. cite for tile coal year April 1, 194S, to March 67 PP. 11 figs. , „ pp, 5 figs, Butte, Montana. They are conveniently 31, 1949. 25 pp. 4 figs. Gives detailed data on 7534. Revised bibliography of Bureau of Jlmes 4465. 'I'he "carbon-oxygen complex as a pos­ 4'499, Coal hydrogenatiou; The effect of varia­ located to superintend the buiiding o£ The bride is a graduate of North Den­ distribution of anthracite in the United States investigations on the production ot liQuid fuels sible initiator of explosions and formation ot tions in the coai-to vehicle ratio, by Milton their home which is now under construc­ ver high school and for the past four and Canada, by sizes and by States and Prov­ from oil shale, coal, lignite, and natural gas (to Orchin, G, i., Goldhach Margaret Wolak, aud H, carbon monoxide in compressed-air systems, liy tion, The new address is 3001 Wharton years has been employed in the billing inces, for the coal year 1948-49. . 1949), by Norma Golumbic, ilazel C. Anderson, H. W. BuBch. I.. B. Berger, and H. H. Scbrenk. 11, Storch, 10 pp. 7 figs, MMS 1785. Distribution of oven and beehive and liobert 0. Grass. 53 pp. . , 4500. Anthracite mechanical minhig investiga­ Street, Butte. department of the Denver office of the coke in 1948. 34 pp. 3 figs. 22 pp. 13 figs. Discusses explosions and forma­ 7535. Part i. Guide to prospecting tor lode gold, tion of carbon monoxide in compressed-air s.i's- tions, Progi'CES report 1, freiimiiiaiw llndergTOuiid Mr. Stewart, of the class of '4S, is em­ Mountain States Telephone company. MMS 1784. Mineral earth pigments and manu­ by E. D. Gardner. Part ii. Locating miniiiR: tems and the carbon-oxygen complex and de­ tests of the Bureau of Mines scraper-shaker load­ Mr. Bradley is the younger son of Mr. claims on the public domain, by Manon Clawson. ing machine for driving gangways, by John W. ployed by Anaconda Copper Mining Com­ factured iron oxide pigments in 1948. 2 pp. scribes experiments with carbon deposits from air and Mrs. J. C. Bradley of Golden. He MMS 17S4. Mineral earth pigments and manu- 21 pp. Revision of I. C. 6843. Prospecting lor corapressoi-g. Bnch and Andrew Allan, Jr, 9 pp, 3 figs. pany. faetured iron afXAe pigments in 1948. 2 pp. (He- lode gold by E. D. Gaidiier, and Locating claims 4501. Anthracite nieehanieal mining investiga­ was a member of the Alpha Tau Omega on the public domain, by l>ed W. Johnson, part 4466. Concentration of oxide manganese ores viscd.) from .Columbia and Klbcrta mining districts, tions. Progress report 2. Preiiminai-y testing of fraternity. Blue Key and the "M" club. i of this publication oilers many useful sugges­ Eiclihofi' shearing machine, model DliK, by John Mr. and Mrs. John Herbert McKeever, MMS 1785. Feldspar in 194S. 3 pp. tions on prospecting outfits and provisions, tools, Tooele and .Tiiab Counties, Utah (Wildcat, Smo'p, He was prominent in athletics, playing MMS 1786. Iron ore in 194S—final annual fig­ and Aeronaut No. 1 pi-operties). by E:, C. Oean W, Buell and Andrew .VUan, Jr, 17 pp. 17 flgs, Jr., welcomed a sou, Timothy Abbott, into coolcing equipment, clothing, and first-aid sup­ football for three years, and lettered two ures. 12 pp. . plies and discusses such topics as gold lodes and aiid K. C. A'uicent. 11 pp. . . , , , 4502. Report of research and technologic work their home on June 16, 1950. on explosives, explosions, and fiaiiies, fiscal years years. MMS 17S7. New record consumption of mdus- ore slioots, searching techniques, associated min­ 4467. Some chemicals from synthetic liquid fuels They reside at 336 Eighth Ave., West, trial explosives in 1948. 9 pp. erals, sampling and panning, and surface iveathpr- processes, by Norma Golumbic. 58 pp. 6 figs. 1947 and 1948, by Bernard Lewis. 92 pp. 71 figs. Describing 2 years of explosives research, Calgary, Alta., Canada, Mr, McKeever, The couple are at home at Rangely, MMS 17S8. Manganese in 1948—final annual hig. Part II is a digest of Federal laws pertain­ Describes tho Fi sober-'i»ropsch and related proc­ Coiorado, where Mr, Bradley has a psoi- fi(?iires. 10 pp. ing to the location of mining claims on the pub­ esses and discusses primary and secondary prod­ tliis report includes tests on new and safer ex­ '47, being geologist for Stanolind Oil & plosives for mines, on Ihe explosibilit.y of ainmo- MMS 1789. Gold and silver in 1948—final an­ lic domain and covers lands to which mining laws ucts and their uses. Gas Company. tion with Stanolind Oil and Gas Com­ nual figures. 4 pp, apply, mineral discovery, location of lode Claims, niinn nitrate fertilizer, the hazards of industrial 4468. Sampling the Kennedy zitic tailing pile, gases, vapors, and dnsts. and improved methods pany. MMS 1790, Abrasive materials in 1948—general assessment work, ininiiiff claims on stock-raising Lafayette County, Wis., by A. M. Oummings. 7 homesteads, timber rights, adverse claims, fission­ of rock-dusting to [>rcvent tho spread of coal-dust summary. 5 pp. pp. 2 figs. explosions. Marie - Proctor MMS 1791. Bromine in 1948. 2 pp. able materials, and other similar topics. 75.S6. History of Pi-emium Price Plan for copper, 4469. Investigation of Red-Back magnetite mine. 4503. Investigation of Salt River Range vana­ MMS 1T92. Magneslte and other magnesium cont- Sterling Lake, Orange County. N. Y., by W. I . Miss Charlotte Ann Proctor, daughter pounda in 1948. 3 pp. lead, and zinc, 1942-4Y. by IL E. Olund and S. dium deposits, Lincoln County, Wyo,, by Paul T. A. UustavKon. 210 pp. Gives history of the Pre­ Millar, tf. O. Hammond, and Robert 8. Sanford. Allsman. Forest H, Majors, Stanford Mahoney, Hudson - Fertig of Mr, and Mrs. G, 0. Proctor of Golden, MMS 1793. Calcium chloride in 1948. 1 P. 4 pp. 9 figs. MMS 1794. Boron minerals in 1948. 1 P. mium Price Flan used by the Government during an3b Champa St., Denver, Colo. belts will reduce installation costs, something about our industry and how Leroy L. Fournier, S01-14th St.. Golden, For the enclosed check •, money order •, in the amount take up less space and, by using the name of Buffalo on rubber belts Colo, (with Standard Oil Co. of Calif.) ; smaller parts, bring our operating ex­ is being conveyed around the world. Richard H. Fulton, 1427 East St,, Golden, of $ I please send me the following: n No, F20O0 Brunion Transit in Quadrants ,..$3i.00 penses down. I thank j'ou. Colo, (with Mid-States Oil Co.) ; Forrest JV. Grubb, 2312 So. Harvey, Oklahoma • No. F3040 Bdit and Socket Tripod Head 7.20 Already we have high tension belts, City, Okla. (with Midstates Oil Corp.) ; • No. F3050 Tubular Extension Tripod I8.O0 reinforced with steel cables, that will PERSORRL ROTES Harry E. Haynes, c/o The Pure Oil Co., • No. F3000 B Leather Case 3.i0 Box 1398. Billings, Mont; J. H. Heinicke, permit operation of a single belt carry­ (Continued from page 36) Name Great Lakes Carbon Corp., Bldg. Prod­ Sydney A. Meivkirler, '17, Consulting Address ing a greater load a longer distance. ucts, Box X, Socorro, New Mexico; JVil­ Engineer, has a change of address to One of these belts has been estimated liam H. Hommel, Exploration Service Co., City State Carrera 7-No. 48-12 Bogota, Colombia, 1636 CHAMPA ST.'DENVER, COLORADO as being able to carry 2000 tons an Box 305, Haskell, Texas; Ed'ward E. S. A. hour at 500 feet a minute for a dis­ Hoivard, 2930 Eaton St., Denver 14, Colo, John C. Mitchell, '39, who is associated (with Phelps Dodge Refining Corp.) ; tance of half a mile up an 18 degree AW with the American Smelting & Refining Robert E. Hudson, c/o W, W. Whitaker, incline. This would be roughly double Company at Leadville, Colorado, receives Douglas, Wyo, (with The Texas Com­ what we can now do with our strong­ mail there thru B'ox 258. pany) ; Charles JV. Irish, 648 Cook St., Frank M. Monninger, '49, Testing est belts. Denver, Colo, (with General Electric Engineer for Inspiration Consolidated Co.) ; (Gordon L. James, 312 Sherman St., A belt of this strength, however, is Copper Company, is addressed Box 86, Denver, (with Standard Oil Co.) ; Don­ an expensive proposition. The solution Inspiration, Arizona. ald L. Jolmson, 4015 Eaton, Denver 14, G. L. Neumann, '21, Mining Engineer, that would make possible future single (with Ailis-Chalmers Co.) ; Einar L. U. S, Bureau of Mines, has a change of Johnson, 2327 C, Chester Lane, Bakers­ conveyors of twenty miles or more in address to P. O. Box 29, 145 Clinton field, Caiif. (with Capital Company) ; length lies in another direction. Ma­ Street, Gouverneur, N. Y, Robert E. Keith, 2500 Fourth Ave,, terials handling engineers today have V. A. Peterson, '30, has been trans­ Pueblo, Colo, (with Triplex Corp,); Ait- a full scale operating model of a new ferred to the Denver office of Sinclair Oil dreiv G. Keleher. 1476 Pennsylvania St. Company, 410 Continental Oii Building. Apt. 231, Denver 3 (with Royal Oil Co,) ; method of applying power to a con­ He is residing at 3428 Fillmore Street, Clyde JV. Kerns, Box 422, Lander, Wyo. No other type of classifier does or can vej'or sj'stem and a new method to Denver. (with Phillips Petroleum Co.); Robert J. keep the proper tension on the belt, Earl C. Phillips, '31, Chief Electrician Lamm, c/o The Atlantic Refining Co., Box duplicate the uniform quality o£ over- that will probably in the future, obso­ for Golden Cycle Corporation, is at pres­ 58, Comanche,Okla.; Allan J. Loleit, c/o r ent in Victor, Colorado, with address Box lete the numerous sections of the belt (Continued on page 44) flow of these machines. 469,

ADDITIONAL ADVANTAGES , . . Raking capaciiy for any Safes Secrets from a Master Soiesman! Now . . . Practical Data on Engine Usage, circulating load. Closed circuit without elevators. Will op­ Maintenance and Lubrication How I Raised Myself from Failure to erate at A" in It" slope without backslip. Will produce Plus . . . Causes of Operating Troubles either: (a) extremely fine or very coarse oveillows. as re­ and Their Remedies quired; (h) will operate at extremely high densities. Heav­ ily constructed lor long life and low maintenance cost. By FRANK BETTGER Motor Oils & Engine Lubrication By CARL W. GEORGI We also manufacture: A remarkabie book by one of the biggest producers Technical Director, Research Laboratories, in the sales field. Should aid anyone in organizing his elTorCs no matter what his occupation might be. Qualier State Oil Refining Corp. COLORADO IRON WORKS CO. The iiuthor teils hovi' he made a $250,000 sale in 1950 • 515 pages • $8.50 Lowden Dryers, Skinner fiiteen minutes against a dozen competitors. Says This is the first book to describe in great detail the 1824 Seventeenth St., Denver 2, Colorado Dale Carnegie, "When I started out to sell, I would Canadian Locomotive Company, Ltd., Kingston, Ont., Can. • Head, Wrightson Multiple Hearth Roast­ gladly have walked irom Chicago to New York to methods of testing and evaluating performance char­ get a copy of this book if it had been avaiiable." acteristics of motor oils. An uniKual feature of the 5. Co., Ltd., Stockton on Tees, England • John Carruthers & Co., (Pty.) Ltd,, 276 Pages S3.95 postpaid in U, S. book is the inclusion of detailed specifications cov­ Sydney, Australia • Head, Wrightson & Co., S. A., (Pty.) Ltd., Johannes­ ers, Separators and Order your copies today from burg • Edw. J. Nell Co., Manila, P. I. • British Columbia Sales Agents.- ering various types of engine tests, properties of Densifiers for Heavy lubricants and all types of performance ratings. Wright Bros., Credit Foncier BIdg., Vancouver. MINES MAGAZINE 734 COOPER BLDG. DENVER, COIORADO For immediate delivery send your order to Media, Sand Washers Mines Magazine, 734 Cooper Bldg., Denver, Colo.

42 THE MINES MAGAZINE ® AUGUST, 1950 THE MINES MAGAZINE ® AUGUST, 1950 43 (5669) "THE BEACON," June 1950, by The (I2.'i9) MISING KNGINEER. An eastern manu­ fllRBORHE mRGnETOmETER SURUEV Ohio Oil Co.. Findlay, Ohio, contabia 36 pages facturing eoLiipany has position open in the ore JUST PUBLISHED! largely devoted to the personnel activities of this buying department of their orgardzation, which OF PERCE RIUER company. In this issue is an account of the fiSrd is engaged in tiie furnishing of raw materials Annual Meeting of tho company and also a story for the company. Applicant should have knowl­ (Continued from page 30) covering the Billings Gas Co., Billings, Montana. edge of metals and ores of columbiutti. tantalum, tories. Their equipment inciudes a precise (5670) CONSTRUCTION EQUIPMENT, 11)50 cobalt, tungsten, nickel and others. SalaiT open. aerial mapping camera, the Sonne con­ catalog by H. W. Moore Eiiuipmeiit Oo,, 130 W, (1261) JUNIOR MINING ENGINEER. A western NEW SECOND EDITION (ith Ave., Denver, .Colo., contains 140 pages illus­ mining company has a position open for .Tunior tinuous strip camera wiiich records the Mining Engineer who is qualified to liaiidlc sur­ trating and describing construction equipment to By DANIEL W. MEAD AND MEAD AND HUNT INC. path of the plane during the magnetom­ meet tlie needs of every job. Much information veying, mapping and drafting. Salaiy open. eter survey, and several electronic re­ and data included in this well arranged catalog (1202) ASSAY'"ER AND ,CHFMIST. An old es- lahlished assay office has position open for an 728 pages, 6x9, 397 iiiusfrafions, $7.50 cording devices. The new, improved, high besides specifications covering most of the equip- mcnt listed. Engineers and contractors will find assayer and chemist who baa had considerable sensitivity Gulf airborne magnetometer this catalog a I'ery useful addition to tlieir every­ ex[iericnce in coniidete analysis of ores and melals. Good opportunity for tlie right man. 'T^HIS new book explains some of the most important will be used for the survey. day reference library. Salary will depend upon tile experience and X facta and principles of modern hydrologic practice. The survey will be flown at an aititude (5671) FLOTATION INDEX. The 20tb Annual ability of the applicant. edition of the Flotation Index published by the Designed to bring you up to date with present-day meth­ of 1,000 feet in a series of parallel lines Dow iChemical Co., San Francisco, Calif., con- (1264) MINING GEOLOGIST. An eastern min­ ods, the hook covers the utilization and control of water— spaced at 1 Vz mile intervals, with many tabis an alphabetical listing of ali important ing compan,y has position open for Mining Geolo­ gist with sulticient experience in mining geology winds and storms—precipitation—rainfall measurement— intersecting control lines to correct for the material publislied during 104H. (5672) "MiN & CHEM," .Tunc 1950, by the In­ to be capable of supervision in the directing of droughts—ground waters—stream flow—and floods and severe daily variations of the magnetic ternational Jlinerals and Chemical Corp.. 20 N. work as well as scouting and field mapping. flood flows, etc. New techniques or producing artificial Salary open. field found in this part of the world. Over Wacker Drive, Chicago, 111., contains a summary YUBA offers you information and consulting rainfall arc described, as are new methods of weighting 16,000,000 acres wi!i be mapped. Flying of the consolidated earnings of the company for (1266) JUNIOR MINING ENGINEER. A com­ Ibe year ending June 30, 1H49, also news items pany located in the Rocky Mountain Region has service based on actual operating experience and precipitation records. will be completed in the early fall, and covering the activities <3i the company and tlie position open for Mining Engineer who can over 40 years of designing and building bucket lad­ the data reduction and map compilation inspection trip made to the Carlsbad Mines, April handle, surveying, maTiping, stopo measurement and mine sampling. Starting salaiy. $300 per der dredges and dredge parts for use from Alaska will be a continuing operation. The map 28, by the directors of the company and a large group of guests of iliternationally known men. month, to Malaya, from Siberia to Colombia. YUBA dredges sheets will be delivered simultaneously (5673) CATERPILLAR TRACTOR. Form 1290ii (1267) JUNIOR PETROLEUM GEOLOGIST. A now in use are producing big yardages on many to all participants as they are complied, well established petroleum company has position Af Lasf . . . hy the Caterpillar Tractor Co., Peoria, IIL, con­ open for Junior Petroleum Geologist who is in­ types of alluvial deposits. A simple, direct explanaHon of Quality Control . . . Final deliveries of the maps will be made tains a lai^e sectional view of Diesel DWl 0 terested in a training program. Work will iirob- before the end of the year. The magnetic tractor showing all of the important mechanical No matter what your dredging problem—deep parts of this eQuiijraent, ably he in mid-continent field. Salary open. and its applications in industry maps will be compiled at a scale of one (1209) GEOPHYSICISTS. A well known geo­ ground, hard bedrock, clay, boulders, levee build­ (5674) "STORAGE BATTERY POWER," June physical corporation has positions open for party ing; deepening, widening or changing channels; cut­ mile to the inch, with a 5 gamma contour 1950, by Edison Storage BattciT Division, West chiefs, computei^, oslservei-s, surveyors and otliers. Quality Controls and Statistical Methods interval. The magnetic record will be pre­ Orange, N, J'., contains 16 pages illustrating and Good opportunities for men with experience and ting canals, or production of sand and gravel, YUBA describing maTiy new uses for storage battery cise to 2 gamma, a quantity only one also recent graduates. Top notcli men will be can furnish the right dredge for the job. By EDWARD M. SCHROCK equipment. ji.ttention is especiall.y dii'octed toward required for evers' job. Salaries will be in pro­ twenty-live thousandth as great as the storage battery trucks for mo\'e(iient of material portion to a man's experience and ability. General Electric Co., Erie, Pa. earth's magnetic field being measured. in industrial plants. (5675) "THE LOUIS ALLIS MESSENGER," .1950 • 250 pages • $5.00 Project engineer for [he survey will be June 1050, by the l-ouis Allis Co.. Milwaukee, Jack C. Webster. Canadian Aero Service, Wise, is largely devoted to illustrations associ­ PERSOnfll nOTES ated with summer vacations. Presents In a brief, clear-cut manner the principles Ltd. will d raw on its affiliate companies. (Continued from page 42) (5676) "PAY DIRT," Jirae 2a, 1950, by Charles of statistical methods of controlling product quality Aero Service Corporation of Philadelphia F. Willis, l^hoenix, Ariz., eontauis 16 pages of Exploration Service Co., Box 305, Haskell, in industry. The author analyzes the problems and for some technical assistance, and on sbort articles and news items ot interest to the Texas; Bernard A. Mass, Jr., 905 West indicates techniques to be used to assure adequate mining industry. I'wo articles of great importance Towanda, El Dorado, Kansas (with Spartan Air Services, Ltd. of Ottawa, at this time are one on filing procedure in coii- control of output quality. who will provide the plane and flight nectiOLi with annual labor required on mining Skelly Oil Co.) ; Charles W. Mattheivs, 233 Rflom 709 , 351 California St., Son FrancUco 4, California, U. S. A. personnel for the survey. The pilots are claims and one showing the need of excise tax No. Catherine Ave., LaGrange, Ills, (with dCFHTC /siME, DAHBy & co., LTD. • SINGAPORE, KUALA LUMPUR, PEHANB. protection for the copper industry, For immediate delivery send your order to former RCAF men, with extensive aerial Universal Oii Products Co.) ; IVilliam fV. HDcnid ^guAw DAnsy & co., LTD., i4 & is LEADEN HALL ST., LONDON,E.C.S. (5677) "NICKEL TOPICS," by International May, c/o The Texas Co., Box 82S, Ther­ CABLES: YUBAMAN, SAN FnAHCISCO ' SHAWOARSCO, LDHDOH Mines Magazine, 734 Cooper Bldg., Denver, Colo. mapping experience over tlie bush coun­ ISIickel Corp., 67 Wall St., New York, N. Y., coii­ try. tains 12 pages of short illustrated articles cover­ mopolis, Wyo,; George T. McCall, 'B'ox ing tile industrial use of nickel anil nickel alloys. 721, Wallace, Idaho (with Sullivan Min­ Special attention is given to current applications of ductile iron castings. ing Co.) ; Clifton M. McDaniels, Box 122, miOGS RHD TRRDE Golden, Colo, (with The California Co.) ; Breakfast For Sol Meltzer, Cities Service Oil Co., Box Mines Men 6606, Roswell, New Mexico; Pierre A. (Continued from page 31) Meyer, Jr., lOS Main St., Bonne Terre, ELKS CLUB mills also iiicliitieil. This Liook wil! he found Mo, (with St. Joseph Lead Co.) ; Robert MORSEFILTERS useful to all peisoisa iiiteiested iii modem ore: SALT LAKE CITY H. Muench, 3818 Quitman, Denver (with di'casiiis' ami otlieis. Wednesday, August 30 C. S. Card Iron Works Co.); Robert G. (5662) "THE NEXT FIVE YEARS" is a story Sii'iiLS' t'le pertinent facts ill cooiieettoii with a Myers, 701 Euclid Ave,, Rock Springs, eoiitract I'cr-eiitly sis^ed by jlllis-Chalmoi-s Mfg. Wyo. (with Mountain Fuel Supply Co.) ; Company, Mihviwkee, Wise, and United Auto TECHniCflL men uirhteo Robert S. Padboy, Box 301, Roundup, "Workers CIO. Tliis piiblieation will lie found ol (Continued from page 9) Mont, (with The Texas Co.) ; James R. .H'reaL interest to all Publie Rt^Iatioiis Departments foreman, with experience in smelting flotation of iiidiistrial companies and man.y others. • concentrates in reverberatory furnace with pul­ Patch, Box 371, Rushville, Nebraska (with (5663) INTERNATIONAL NICKEL REPORT. In verized eoa! as fuel. Must have had experience Superior Oil Co,) ; Douglas L. Reese, 1640 bis address to stock holders, Sobcrt C. Stanley, witli horizontal copper converters and copper Madison St,, Denver (with Mountain Chaii-maii of the. Board, International Kiekel Co., casting inaebino. Good living and housing condi­ at their annual mooting; April 20, Toronto, Can­ tions. Salary open depending upon experience and Fuel Supply Co,) ; Kenneth J. Schneider, ada, si^ic a complete fiiiaiicial and nperating ability of applicant. 4+76 Raleigh, Denver (with General statement covoiins: tlie year 1949. Among other (1245) ASSAYEK AND CHEMIST. Kmployment Electric Co.); Richard C. Siegfried, c/o activities discussed is that of the development is offered to experienced assayer and chemist Superior Oil Co,, 220 Cretney Bldg., and research orsanization, wbo is interested in foreign work. Must be able Plainview. Texas; David fi. Singer, 1508 (5664) "ON TOUR," June 1050, by tho Union to assay copper ores and make analysis for A'ari- Oil Oo. ot Calif., Dniou Oil Bldg., Los Angeles ous base metals and also rare metals. Salary open. Bennett, Wichita Falls, Texas (with Ar­ 17, Calif., contains 24 pa!jes ineludins "76 Views (1246) JUNIOR MINING ENGINEER. Position kansas Fuel Oil Co.) ; Raymond M. of Refining" continued from the May issue. Other open with a well established mining company illustrated articles will he found of great interest for young mining engineer who can handle under­ Stetvart, Room 618, 401 W, Park, Butte, as well as news items pertaining lo the company ground surveying, mapping and other work that Mont, (with Anaconda Copper Mining operations. he may be called upon lo do in connection with Co,) ; Gustave Stolz, Jr., 910 Classen, mining. Probable starting salary, around $275 (5665) "LINDE TIPS," July 1D50, hy Linde Air per month, Norman, Okla, (Student on Stanolind Oil Dependable for Continuous Duty—Fully Automatic. Morse Drum Products Co.. 30 E. i2nd St., JJew Yorlc, N. Y., (1257) JTINMOR MINING ENGINEER. One of & Gas Co, fellowship at University of contains 'li pages of short illustrated articles the large coai mining companies has position Oklahoma) ; James M. Taylor, Box 638, and Disc Filters ore highly regarded for satisfactory performance discussing methods nf welding, useful hints and open for a young mining eiigiiieer as trainee for new ideas. Those with welding problems will iind engineering and operation in one ot their coal Midwest, Wyo. (with Continenta! Oil and low maintenonce—made in a wide range of sizes to meet most nuicb valuable information in this publication, iuines. Salary open. Co.) ; John E. Thornton.The Pure Oil Co., (566S) PIPE LINE CONSTRUCTION. "Tie-In" (1258) JUNIOR P(';TKOLF.UM KNfilNfiER. An Box 1398, Billings, Mont; Jasper N. War­ ail requirements. by H. C. Price Co., Bartlesviile. Okla., for the old established company with operations in the 2nd Quarter, 1950, contain.s 20 pages illustrating mid-continent oillieki has position open for ren, Hotel LaFette, Seadrift, Texas (with and describing Kome o! the difficult pipe line con­ .Junior Petroleum liugineer. The work will em- Brazos Oil & Gas Co.) ; L. R. Wolff, 153 MORSE DISC FILTERS ore ideal for filtering more than one charac­ struction that this company has under way at the briice the preparation of isobai'ie in;ips, reserve So. Bennett, Fontana, Calif, (with Kaiser present time. Uevicote process of pipe coating studies, well performance studies, gas supply ter of concentrate or material where separate filtrates ore desired. developed by the Piiee Company is illustrated and reservoir engineering. Salary will depend Steel Co.) and described in this issue. upon experience and ability nf the applicant. (5667) NICKEL ALLOYS. Technical Bulletin Write for Sullelin No. 4710 r-7 by Iniernatioual >,'ieiiel Co., Inc., 07 Wall St.. New York, K. Y., contains 24 pages of METAL TREATING & RESEARCH CO. charts, tables on composition and properties, working instructions and other biformatiou of a Jemes Colasanti, '3S teclmica! nature pertainiug to "Ineonel X," one of the newer age-hardenable Inco Nickel alloys. 651 Sherman St., Denver 3, Colorado Keystone 4973 MORSE BROS. MACHINERY COMPANY (5668) "PROGRESS NEWS," July 1950 Gates Commercial Heat Treaters — Consulting Metallurgical Engineers Hnhber Co., 999 S. Broadway, l)euver, Colo., High performance of tools and mechanical products through selection and treat­ ESTABLISHED 1898 DENVER, COLORADO, U.S.A. (CABLE MORSE) contains •>% pages, lavgeli' pertaining to person­ nel activities ol the company. News items covev- ing of metals. ing company operations are also iiickidcd, 44 THE MINES MAGAZINE ® AUGUST. 1950 THE MINES MAGAZINE • AUGUST. 1950 45 Asro Servics Corp Birmingham, Alabama, Gibraltar Equipment & Mfg. Co, * McKeehen ClothlHH Co Philadelphia, Penna., 930 2nd Ave. North Golden, Colo., 1222 Washington Ave. 236 E. Courtland Streei Alton, m., P. 0. Box 304 Denver Equipment Company * 3 Merricii Scale Mfg. Co. * Golden Motors Aiiisworth & Sons, Enc, Wm. * _ Denier 17, Colo., 1400 17th Street Passaic, New Jersey Denyer, Colo., 2151 Lasrretice SC. New York Clly 1, N. Y., Goiden. Colorado, 4114 Empire Slate Bldg. 1018 Washington Ave. Metal Treating & Research Co _ 44 Albany Hale! Chicago 1, 1123 Belt Bldg., Golden Savings & Loan Assoc Denver 3, Colo.. 651 Sherman St. DenTer, Colo., 17th & Stotil Sts. 307 N. Michigan Golden, Colorado, 808-13tli Bt. Toronto, Ontario, 45 Bichmond St., W. Metropolitan Barber Shop Alcoa Aluminum * Golden Theatre Vancouver, B. C, Golden, Colorado Pittsburgh, Penna., Gulf BiiildiriE Golden. Colorado 305 Credit Foncier Bldg. Midwest Steel & iron Works Co Allis-Ciialniers Mfg. Co. * Mexico, D. F., Edittcio Pedro de Gante, G. G. Grigsby * Denver. Coio., 25 Larimer St. Continental Oil Bldg. Gante 7, Desioge, Missouri DenTer, Colorado London E. C. 2, England, Mine & Smelter Supply Company 7 Milwaukee, Wisconsin Salisbury Bouse Grisham Printing Company * Denver, Coiorado Joliannesburg, S. Africa, 8 Village Road Denver, Colo., 925 Eighteenth Street l<:i Paso, Texas American Paulin System gichmond. Australia, 530 Victoria Street New York, N. Y., 1775 Broadway Los AoEeles, Calif., 1847 S. Flower St. Mrs. A. J. Gude - Salt Lake City, Utah Denver Fire Clay Company * 9 Golden, Coio., P.O. Box 374 Montreal, Canada, Ajtaclie Exploration Co., Int DenTer, Colo. liasseo, inc Canadian Vickera, Ltd. HoiiBton, Texas, Meliie Esperson Bide. Salt Lake City, Utah, P. 0. Box 836 Denver, Colorado, 1745 Waeee St. Santiago, Chlie, W, R. Judson El Paso, Texas, 209 ilills Bldg. The Appliance Shoppe [Jma, Peru, W. B. Judson Kelland Research Corporation * Manila, P. I., Edward J. Neil Co. Denver Machine Shop Golden. Co!o„ 1118 VI. Ash Denver, Colo,, 130 East 5th Ave. Denter, Coio., 1409 Biake St. Armco Drainage & Met'l Prod. inc. * Mines Masailne * 42, 45 Hendrie & Bollhoff Go. * Denver, CoJo., 3033 Blake St. Denver & Rio Grande Western R.R. Co Denver, Colo., 734 Cooper Building Denver, Colorado, 1659-17th St. Bard est? Di«. Denver, Colo., 1531 Stout St. Morse Bros. Machinery Company 45 Hercules Powder Company * Denver, Colo.. 2900 Broudwaj, Barber.Greene Denver Sewer Pipe & Clay Co Denver, Colo., 650-17th St, P. 0. Box 1708 Aurora, 111. Denver, Colo., W. 45th Ave. & Foi Wilmington, Delaware, 737 King Street Mosebach Elect, & Supply Black Hiitj Bentonite Denver Steel & Iron Woriis Co Heron Engineering Co 27 Pittsburgh, Penna, Jioorcroft, Wyo. Denver, Colo., W. Colfax Ave. & Larimer Denver, Colo,, 2000 So. Acoma 1115 Arlington Ave. The California Company _ du Pont de Nemours & Company, E. ! Hilger & Watts Ltil 5 Mountain States T. S T. Co New Orleans, La., 1818 Canai BIdg. Denver, Colo., 444 Seventeenth St. Watts Division, 43, Addington Sq., Denver, Colo., 931 14th St. Wilmington, Delaware Campus Service Station London, S.E.S. England San Francisco, Calif., Ill Sutter St, Golden, Coio,, 1102 19 St. National Fuse & Powder Company * 3 Holland House, The Denver, Coio. Dorr Company, The * Capability Exeliangt * _ Golden, Colorado New York 22, N. Y., 570 Lexington Ave. DeiiTer, Colo., 734 Cooper BldE. National Titanium Co 25 Atlanta. Wm, Oliver Building Humphreys investment Co Card Iron Woriis Company, C. S. *- 9 Toronlo, 80 Bichmond St., W. Denver, Coio., lat Nat'l Bank Bldg. Nuclear Development Lab DenTer, Colo., 2501 West 16lh ATA. Chicago, 221 N. LaSalle Street Kansas City, Mo., Box 7601 Denver, Cooper Building Husliy Oii & Rehning Co Osgood Company Carj Holer Company Los Angeles, Bll W. 7th St. Caigary, Alberta, 531 Eighth Ave, West Marion, Ohio Golden, Colorado W^rS^W^-- ,,,, Davall-Oavldson Lumber Co Independent Exploration Co Paramount Cleaners wherever iron or steel meets abra­ Cenlral Bank and Trust Company * Golden, Colo., 1313 Ford St. Houston, Texas, Esperson Bidg. Golden, Coio., 809 12Ch St. DeiiTer, Colo., IStli & Arapahoe Independent Pneumatic Tool Go Wherever Eaton Metal Products Company A.... 3 Parker & Company, Charles 0. 3 sive minerals, how to specify the best Century Geophysical Corp Denver, Colo., 4800 York St. Denver. Colorado, 1040 Speer BlTd. Denver, Colo,, 2114 Curtis Street Tulsa, Oklahoma Ingersoll-Rand * —. i^f^^S^^^ sive miner New Yorit, New YorJi, 119 Broadway Edison, Inc., Thomas A Price Company, H. C. * Birmingham, Aia., 1700 Third Ave. wear-resisting materials J Houston, Texas, Neila-Eaperson Bldg. West Orange, New Jersey Bartiesville, Okla. BuCte, Mont., 845 S. Montana St. Los Angeles, Calif. Eimco Corporation, The * Chicago, 111., 400 W. Madison St. Christensen Diamond Pdcts. Co San Francisco, Calif. Textbook information is scanty, and large- Salt Lalie City, Utah, Chicago, 111.. 333 No. Michigan Ave. Denver, Colo., 1637 Blake St. ^^•T-:^ 1975 So. 2n(] West El Paso, Texas, Mills Bldg. El Paso, Texas, 1015 Texas St. Professional Cards 4, 6 New York, N. Y., 330 W. 42nd St. Kansas City, Mo., 1006 Grand Ave. scale wear tests are tedious, expensive and too Sacramento, Calif., 1217 7th SC. Los Angeies, Calif., 1460 E. 4th SC. Climax Molybdeniim Go 47 Public Service Company of Coio. * SaU Lake City, Utah Manila. P, I., Earnshaws Docks Sc Denver, Colo., Gas &, Electric Bidg. New York, Y., 500 Fifth Ave. Honolulu Iron Works often inconclusive. Coiorado Builders Supply Co Empire Foundry Co itoebling's Sons Company, John A. * New York, N. Y., 11 Broadway Denver, Colo., W.ETans and S, Mariposa Denver, Colo., 130 Larimer PiCtsburgh, Pa,, Trenton, New Jersey Casper, Wyo., East YeiloBslone Highway Denver 16, Colo., 4801 Jaclison St. Reprints of an informative and authoritative Exploration Service Co 706 Chamber of Commerce Bldg. Salt Lake City, Utah, Colorado Central Power Co BartlesTille, Okia., Box 1289 Seismic Explorations, inc 144 S. W. Temple St, paper (published by the American Institute Colorado Fuel a Iron Corp 10 First National Bank San Francisco, Calif,, 350 Brannan Bt. Seismograph Service Corporation 14 Areariilo, Texas, 711 OliTer EalUe Bldg, Golden, Colo. Seattle, Wash., 526 First Ave, So. Tulsa, Okialioma 13 of Mining and Metallurgical Engineers), giv­ Butte, Mont., 505 Metals Bank Bide. Tulsa, Okla., 319 E. 5th St. Chicaeo 4, llL, Florence Mchy. & Supply Co Sinclair, Harry (Hard Bock) * Denver, Colo., Equitable Bldg. intermountaln Exploration & ing the statistical results of extensive wear 613 Bailway Eschange Bldg. Denver, Colo., 2224 Welton St. 14 Dallas, Texas Engineering Co Fluor Corporation, Ltd. Denver 1, Colo., Continenlal Oii Bldg. Casper, Wyonung, 214 Cottman Bldg. tests on a wide range of grinding ball mat- Los Angeles, Calif., 403 W. ath Street Spang & Company El Paso, Texas, 805 Basaelt Tower Bldg. Ives, Richard Butier, Pennsylvania Fort Worth 2, Texas, 1502 Fort Worth Foss Drag Coinpany Denver, Colo., 601 W. Colfax Ave. i^ic^BfdS^ erials, are now available. National Bank Bidg. Goldeti, Colo. Stearns-Roger Mfg. Company * S 14 Lincoln 1. Nebraska, 330 North Sth St. Jelfrey Manufacturing Company * Denver, Colo., 1720 California St. Los Aneeles 1, Calif., 733 East 60lh St. Foss, Inc., H. L Columbus, Ohio, 940-99 No. Fourth St. '"'lc«t^'>°Hirrf Copies of this paper are available to interested -T" Oklahoma City 2, OMa., Denver, Colo., 1001 Arapahoe Denver, Coio., E. & C. Building Stephan Corporation, The .— 906 Colcord Bldg. Sacramento, Calif., ^S^'^^^^ engineers and metallurgists. Although the Phoenii, Arizona, 112-116 West Jackson Frobes Company * Joy Manufacturing Co. A Rt. 8, Box 1782, Freeport Blvd. Salt Lake City 1, Utah, Salt Lake City, Utah, Henry W. Oliver Bldg., Pittsburgh, Pa. 156 West 4th Street South 604 Walker Bank Bldg. ^"•"t-Q^:^:::^ data apply specifically to wear tests on grind­ Keliogg's Hardware, Inc Stephens-Adamson Mfg. Co San Francisco 3, Calif., Fronlier Refining Company Golden, Colo., 1217 Washington Ave, Auiora, lilinoss 1245 lioward St. Denver, Colorado, Boston Bldg. Loc Angeies, Calif. ing balls, there is a wealth of comparative Spolmna 8, Wash., Cheyenne, Wyoming BelleTille, Ontario, Canada 910 Old National Bank Bldg. Kendrich-Beliamy Company * _ 4 information listed in the form of "abrasion Wichita 2, Kansas, Garilner-Denver Company •* 2 Denver 2, Colo., 1641 California SC. Stonehouse Signs, inc. _ 430 So. Commerce St. Quincy, Illinois xS Denver, Colo.. 842 Larimer SC. Denver, Colorado factors" for forged and cast steels, chill cast Kistler Stationery Company * _ 43 Colorado Iron Works Company * 43 ISulte, Mont., 215 E. Park St. Denver, Coio., 1624 SeTenteenth St. El Paso, Texas, 301 San Francisco St. LescheDenyern ,& ColoSons. Rope Co., A Strawn's Book Store irons, white irons, etc., which can be applied Kingston, Ontario, Can., Salt Lake City, Utah, St, Louis. Mo., 5909 Kennerly Ave. Golden, Colo., 1205 Washington Ave. 46 Canadian Loco. Wks. Co. 130 West 2nd South 47 Vancouver, B. C, Can., Los Angeies, Calif., 845 E. 61st SC. Link-Belt Company * Thomas-Hickerson Motor Co to many other abrasive conditions encoun­ VaiicDuver Iron Wiis.. Ltd. San Francisco. Calif., 811 Folsom SC. Chicago, 111., 300 W. Pershing Rd. Denver, Colo., 1000 E. 18th Ave. Johannesburg, So. Africa, Seattle, Wash., 514 FirsC South Atlanta, Ga., 1116 Murphy Ave., S.W. tered in the mineral industry. Head, Wfightson & Co. Indianapolis, Ind., 220 S. Belmont Ave. Topside Oil Company ~ Stockton on Tees, Eng., Gates Rubber Company * San li'rancisoo, Calif., 400 Paul Ave. Denver, Colorado, Symes Bidg. Head, Wilghtson & Co. Birmingham, Ala., Philadelphia, Pa., 40 Granvilie, N. S. W., SOl-3 Liberty National Life Bldg. 2045 W. Huntington Park Ave. Union Supply Co The Clyde Eng. Co., Ltd, Chicago, 111., 549 WesC WashingCon Denyer, Oolo., 1626 Wazee St, Denver, Colo., 1920 Market St. Dallas, Texas, 2213 Griffin SI Colorado National Bank .. Toronto, Can., Eastern Ave. & Leslie St. 14 Denver, Colo.. 9D9 South Broadway United Geophysical Company, tne Denver, Colo., I7th & Champa St! Hoboken, N, J., Terminal Buiiding Tulsa 3, Okla., 822 Thomiffion Bidg. I.OS Angeies, CaHf., Lufkin Rule Co Smd mm fijr reprint on Wear Tests Colorado Transccipt Saginaw, Michigan Pasadena 1, Calif., 595 E. Colorado St. Golden. Colorado 2240 East Washington Blvd. PorCland, Ore., 3S3 N. W. Fifth Avenue Mace Company, The * Vulcan Iron Works Co Cosfs Porcelain Company * San Francisco, Calif., 1090 Bryant St. Please send FKEE the Denver, Coio.. 2763 Blake St. Denver. Colo., 1423 Stout SC. Golden, Colorado General Electric Company Manning, Fred M,, Inc Western Machinery Co. * 32 pp. reprlDt on " Wear Tests " Craig-Freilerick Chevrolet . Scheuettad)', New York Denver, Colo., Continental Oil Bidg. San Francisco 7, Calif., 760 Folsom St. Golden, Colo., 13th & Ford St. Genera! Geophysical Co. „ Martin Decker Corporation Western Oil Tool & Mfg. Co Oelster Conceniralor Co. * Name • • Houston, Texas Long Beach, Calif. Casper, Wyo., Box 260 Fort Wayne, Ind., 911 Glasgow Aie. New York, N. Y., 104 Pearl St. Geolograph Co., inc McElroy Ranch Company 3 Nesquehoning, Pa., 23115. Catawlssa St. Wilfley i Sons, A, R. * Back cover Oklahoma City, Olda,. P. 0. Box 1291 Ft. Worth, Texas. 506 Nell P, Company Kibbing, Minnesota, P. 0. BM 777 Denver, Colo., Denham Bldg. Anderson Bldg, New York City, 1775 Broadway Geophoto Services •Advertised in Year Book of "Mines" Men Denver, Coiorado, HcFarlane-Eggers Mchy. Co Yuba Manufacturing Company * 45 Address 1948. 305 Ernest & Cranmer Bldg. Denver, Colo.. 2763 Blake St. San Francisco, Calif., 351 Caiifornia St. FI5 46 THE MINES MAGAZINE ® AUGUST, 1950 tor mer B} fmrs, this wilfley Centrifugal Pump has been opera­ ting continuously-handling lead concentrates efficiently with only occasional replacement of wear parts —at a well-known Pacific northwest mill. WILFLEY Pumps are famous for delivering trouble- free performance without attention -stepped-up production and ac­ tual dollar savings in power and operation {wherever mill concen­ trates must be handled economi­ cally). There is a highly efficient, cost-reducing WILFLEY Pump size for every pumping require­ ment. Individual engineering on every application. Write or wire for complete details.

A.iS.WIi.FL£¥ & SONS, INC. DENVER, COLORADO, U.S.A. New York Office: 1775 Broadway • New York Ctly