The Aqueduct Issue the Monocacy·· Lonc May She Stand?
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Four Thousand Ships Passed Through the Lock: Object-Induced Measure Functions on Events
MANFRED KRIFKA FOUR THOUSAND SHIPS PASSED THROUGH THE LOCK: OBJECT-INDUCED MEASURE FUNCTIONS ON EVENTS 1 . INTRODUCTION 1.1. Event-Related and Object-Related Readings The subject of this paper* is certain peculiar readings of sentences like the following ones: (1)a. Four thousand ships passed through the lock last year. b. The library lent out 23,000 books in 1987. C. Sixty tons of radioactive waste were transported through the lock last year. d. The dry cleaners cleaned 5.7 million bags of clothing in 1987. e. 12,000 persons walked through the turnstile yesterday. Take the first example, (la) (it is inspired by the basic text of the LiLog project of IBM Germany, which first drew my attention to these sen- tences). It clearly has two readings. The first one, call it the object-related reading, says that there are four thousand ships which passed through the lock last year. The second one, call it the event-related reading, says that there were four thousand events of passing through the lock by a ship last year. The object-related reading presupposes the existence of (at least) four thousand ships in the world we are talking about. In the event-related reading, there might be fewer ships in the world. In the limiting case, a single ship passing through the lock about 12 times a day would be suffi- cient. We find the same ambiguity in the other examples of (1). The library might contain fewer than 23,000 books, there might be less than sixty tons of radioactive waste, there might be less than 5.7 million bags of clothing, and there might be fewer than 12,000 persons - but the sentences (lb-e) could still be true in their event-related readings. -
Waterway Dimensions
Generated by waterscape.com Dimension Data The data published in this documentis British Waterways’ estimate of the dimensions of our waterways based upon local knowledge and expertise. Whilst British Waterways anticipates that this data is reasonably accurate, we cannot guarantee its precision. Therefore, this data should only be used as a helpful guide and you should always use your own judgement taking into account local circumstances at any particular time. Aire & Calder Navigation Goole to Leeds Lock tail - Bulholme Lock Length Beam Draught Headroom - 6.3m 2.74m - - 20.67ft 8.99ft - Castleford Lock is limiting due to the curvature of the lock chamber. Goole to Leeds Lock tail - Castleford Lock Length Beam Draught Headroom 61m - - - 200.13ft - - - Heck Road Bridge is now lower than Stubbs Bridge (investigations underway), which was previously limiting. A height of 3.6m at Heck should be seen as maximum at the crown during normal water level. Goole to Leeds Lock tail - Heck Road Bridge Length Beam Draught Headroom - - - 3.71m - - - 12.17ft - 1 - Generated by waterscape.com Leeds Lock tail to River Lock tail - Leeds Lock Length Beam Draught Headroom - 5.5m 2.68m - - 18.04ft 8.79ft - Pleasure craft dimensions showing small lock being limiting unless by prior arrangement to access full lock giving an extra 43m. Leeds Lock tail to River Lock tail - Crown Point Bridge Length Beam Draught Headroom - - - 3.62m - - - 11.88ft Crown Point Bridge at summer levels Wakefield Branch - Broadreach Lock Length Beam Draught Headroom - 5.55m 2.7m - - 18.21ft 8.86ft - Pleasure craft dimensions showing small lock being limiting unless by prior arrangement to access full lock giving an extra 43m. -
The Schuylkill Navigation and the Girard Canal
University of Pennsylvania ScholarlyCommons Theses (Historic Preservation) Graduate Program in Historic Preservation 1989 The Schuylkill Navigation and the Girard Canal Stuart William Wells University of Pennsylvania Follow this and additional works at: https://repository.upenn.edu/hp_theses Part of the Historic Preservation and Conservation Commons Wells, Stuart William, "The Schuylkill Navigation and the Girard Canal" (1989). Theses (Historic Preservation). 350. https://repository.upenn.edu/hp_theses/350 Copyright note: Penn School of Design permits distribution and display of this student work by University of Pennsylvania Libraries. Suggested Citation: Wells, Stuart William (1989). The Schuylkill Navigation and the Girard Canal. (Masters Thesis). University of Pennsylvania, Philadelphia, PA. This paper is posted at ScholarlyCommons. https://repository.upenn.edu/hp_theses/350 For more information, please contact [email protected]. The Schuylkill Navigation and the Girard Canal Disciplines Historic Preservation and Conservation Comments Copyright note: Penn School of Design permits distribution and display of this student work by University of Pennsylvania Libraries. Suggested Citation: Wells, Stuart William (1989). The Schuylkill Navigation and the Girard Canal. (Masters Thesis). University of Pennsylvania, Philadelphia, PA. This thesis or dissertation is available at ScholarlyCommons: https://repository.upenn.edu/hp_theses/350 UNIVERSITY^ PENNSYLVANIA. LIBRARIES THE SCHUYLKILL NAVIGATION AND THE GIRARD CANAL Stuart William -
Geographical Overview of the Three Gorges Dam and Reservoir, China—Geologic Hazards and Environmental Impacts
Geographical Overview of the Three Gorges Dam and Reservoir, China—Geologic Hazards and Environmental Impacts Open-File Report 2008–1241 U.S. Department of the Interior U.S. Geological Survey Geographical Overview of the Three Gorges Dam and Reservoir, China— Geologic Hazards and Environmental Impacts By Lynn M. Highland Open-File Report 2008–1241 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior DIRK KEMPTHORNE, Secretary U.S. Geological Survey Mark D. Myers, Director U.S. Geological Survey, Reston, Virginia: 2008 For product and ordering information: World Wide Web: http://www.usgs.gov/pubprod Telephone: 1-888-ASK-USGS For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment: World Wide Web: http://www.usgs.gov Telephone: 1-888-ASK-USGS Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this report. Suggested citation: Highland, L.M., 2008, Geographical overview of the Three Gorges dam and reservoir, China—Geologic hazards and environmental impacts: U.S. Geological Survey Open-File Report 2008–1241, 79 p. http://pubs.usgs.gov/of/2008/1241/ iii Contents Slide 1...............................................................................................................................................................1 -
Hydraulic and Structural Design of Navigational Locks
nvironm E en l & ta Dhanuka et al., J Civil Environ Eng 2018, 8:1 i l iv E C n f g o i n DOI: 10.4172/2165-784X.1000297 l Journal of Civil & Environmental e a e n r r i n u g o J ISSN: 2165-784X Engineering Research Article Open Access Hydraulic and Structural Design of Navigational Locks Amit Dhanuka1*, Shivendra Kumar Agrawal2 and Honey Mehra1 1Howe Projects Engineering Pvt Ltd, Ahmedabad, Gujarat, India 2Department of Irrigation and Hydraulics, Punjab Engineering College, Chandigarh, India Abstract Navigation lock is a structure in the waterway provided to create a safe navigation passage between two water pools which are not at the same level. The reason for difference in water levels can be natural such as tidal variations or can be manmade such as construction of dam or barrage across the river. The main components of Navigation lock comprise of approach channels, lock pit, filling/emptying arrangement. Design of lock depends on lockage time, water level variations, Lock capacity requirements, design vessel size. filling/emptying system shall be designed to work under gravity flow without any pumping requirements. Filling/emptying system is chosen to get appropriate filling/ emptying time. The optimum time for filling and emptying is generally kept between 8.0-10.0 minutes. The size of filling culverts are so computed to attain the optimum time for filling/emptying. Every lock is unique in terms of its geology, location, size, requirements and water level differences. Here typical design aspects of a navigational Lock in inland waterway have been described. -
F-7-141 Monocacy Natural Resources Management Area
F-7-141 Monocacy Natural Resources Management Area Architectural Survey File This is the architectural survey file for this MIHP record. The survey file is organized reverse- chronological (that is, with the latest material on top). It contains all MIHP inventory forms, National Register nomination forms, determinations of eligibility (DOE) forms, and accompanying documentation such as photographs and maps. Users should be aware that additional undigitized material about this property may be found in on-site architectural reports, copies of HABS/HAER or other documentation, drawings, and the “vertical files” at the MHT Library in Crownsville. The vertical files may include newspaper clippings, field notes, draft versions of forms and architectural reports, photographs, maps, and drawings. Researchers who need a thorough understanding of this property should plan to visit the MHT Library as part of their research project; look at the MHT web site (mht.maryland.gov) for details about how to make an appointment. All material is property of the Maryland Historical Trust. Last Updated: 10-11-2011 CAPSULE SUMMARY Monocacy Natural Resources Management Area MIHJP# F-7-141 Dickerson vicinity Frederick and Montgomery counties, Maryland NRMA=1974 Public The Monocacy Natural Resources Management Area (NRMA) occupies 2,011 acres that includes property along both banks of the lower Monocacy River and most of the Furnace Branch watershed in southeastern Frederick and western Montgomery counties. The area is predominantly rural, comprising farmland and rolling and rocky wooded hills. Monocacy NRMA's main attraction is the Monocacy River, which was designated a Maryland Scenic River in 1974. The NRMA began in 1974 with the acquisition of the 729-acre Rock Hall estate. -
SHIP BEHAVIOUR in LOCKS and LOCK APPROACHES” by Carsten Thorenz 1, D
PIANC World Congress San Francisco USA 2014 PIANC WORKING GROUP 155 “SHIP BEHAVIOUR IN LOCKS AND LOCK APPROACHES” by Carsten Thorenz 1, D. Bousmar, J.-P. Dubbelman, Li Jun, D. Spitzer, J.J. Veldman, J. R. Augustijn, W. Kortlever, A. Hartley, A. Moreno, R. Salas, J. Wong, M. Vantorre, O. Weiler, P. Hunter, S. Roux, Wu Peng ABSTRACT The goal of PIANC Inland Commission (InCom) Working Group 155 “Ship behaviour in locks and lock approaches” is to give designers of locks and organizations that operate locks more insight into the troubles which vessels might encounter in the interaction with locks and what to do to avoid them. During the transit of a ship through a lock and even during normal navigation, ships can be significantly affected by the interaction with the processes induced by a lock. It is relevant to have an idea about the governing processes, as they have an impact both on the design and operation of navigation locks. In the report, it is pointed out which effects are important and how these combine with the experience from current and past lock projects. This paper presents an insight on the work of the group and on the main points covered in the report. 1 INTRODUCTION PIANC has the goal of enhancing the exchange of knowledge between people that are engaged in waterborne transport. To achieve this, PIANC brings together international experts on the design, development and maintenance of ports, waterways and coastal areas. Many working groups (WG) are developing technical updates on shared best practices. PIANC InCom WG 155 “Ship behaviour in locks and lock approaches” is a successor to InCom WG 29, which published the Report No. -
Marple Locks Trail
MARPLE LOCKS - A HISTORY Canal builders would, as far as possible, always use This problem was overcome by the construction of a local materials. In the case of the Peak Forest Canal, an tramroad which started near Oldknow's lime kilns, ran ample supply of stone was readily available in the across what is now Strines Road, cut across the corner of Marple Locks are situated on the Peak Forest Canal in district and this was used almost exclusively in the the present Recreation Ground and along the banking Marple Cheshire. construction of lock chambers and bridges. The canals which can still be identified near the children's play The Peak Forest Canal runs from Buxworth in were "cut" by gangs of men using picks, shovels and area. From there it went towards the modern St. Derbyshire, where an arm also services nearby Whaley wheelbarrows. The skilled diggers were called cutters or Martin's Road but turned to cross the canal at lock 10 Bridge, through Furness Vale, New Mills and Disley to bankers and the unskilled, labourers, although soon near the Tollgate Cottage. The grooved support stones Marple. Here it is joined by the Macclesfield Canal. At they all became known as Navigators or "Navvies" for for the rails and the holes for the wooden pegs which Marple the canal descends a flight of sixteen locks, short. The locks were built by masons and the lock gates held them in place can still be seen. The route then lowering the level by 210 feet before crossing 100 feet by carpenters or joiners. -
Guide to the Pittsburgh Consolidation Coal Company Photographs and Other Materials
Guide to the Pittsburgh Consolidation Coal Company photographs and other materials NMAH.AC.1007 NMAH Staff 2013 Archives Center, National Museum of American History P.O. Box 37012 Suite 1100, MRC 601 Washington, D.C. 20013-7012 [email protected] http://americanhistory.si.edu/archives Table of Contents Collection Overview ........................................................................................................ 1 Administrative Information .............................................................................................. 1 Historical Note.................................................................................................................. 3 Arrangement..................................................................................................................... 6 Scope and Contents........................................................................................................ 6 Names and Subjects ...................................................................................................... 6 Container Listing ............................................................................................................. 8 Series 1: Background Materials, 1904 - 1933.......................................................... 8 Series 2: Photographs, 1909 - 1930........................................................................ 9 Pittsburgh Consolidation Coal Company photographs and other materials NMAH.AC.1007 Collection Overview Repository: Archives Center, National Museum -
Cumberland Narrows: Portal to the National Road
12 m o u n t a i n d i s c o v e r i e s The Cumberland Narrows: Portal to the National Road Written by: Dan Whetzel New Photography by: Lance C. Bell he Cumberland Narrows has played an important events that occurred there have dimmed with the passing part Tin Western Maryland history, as it provided a natural of time. Cumberland’s Narrows is unique because it break in the Appalachian Mountains that stretched combines natural history with political, economic, and north/south through the region. Formed thousands of military events that have determined the course of our years ago, the Narrows is a one mile water gap dominated nation since 1755. To trace those recorded events, we at the lowest elevation by Will’s Creek and transportation need to turn back the clock to early European explorers arteries, while its higher elevations feature the spectacular and entrepreneurs who established themselves in lands beauty of Tuscarora and Juniata sandstone rock forma- formerly occupied by members of the Shawnee Tribe. tions. According to a geological report filed in 1978, Topography and abundant natural resources were key it was speculated the Narrows resulted from forces reasons Europeans migrated to Western Maryland during generated in the formation of the Eastern Appalachian the mid 18th century. The Ohio Trading Company con- Mountains. A stream began eroding the water gap structed a significant settlement in the area, a storehouse across Will’s Mountain and surrounding weaker rocks about one mile from the Narrows, at the confluence of were eroded into the valley, thereby causing a 900- foot Will’s Creek and the Potomac River. -
Antietam Map Side
★ ANTIETAM CAMPAIGN SITES★ ★ Leesburg (Loudoun Museum) – Antietam Campaign To ur begins here, where Lee rested the Army of Northern MASON/DIXON LINE Virginia before invading Maryland. ★ Mile Hill – A surprise attack led by Confederate Col. Thomas Munford on Sept. 2, 1862, routed Federal forces. ★ White’s Ferry (C&O Canal NHP) – A major part of Lee’s army forded the Potomac River two miles north of this mod- ern ferry crossing, at White’s Ford. To Cumberland, Md. ★ White’s Ford (C&O Canal NHP) – Here the major part of the Army of Northern Virginia forded the Potomac River into Maryland on September 5-6, 1862, while a Confederate band played “Maryland! My Maryland!” ★ Poolesville – Site of cavalry skirmishes on September 5 & 8, 1862. 81 11 ★ Beallsville – A running cavalry fight passed through town Campaign Driving Route on September 9, 1862. 40 ★ Barnesville – On September 9, 1862, opposing cavalry Alternate Campaign Driving Route units chased each other through town several times. Rose Hill HAGERSTOWN Campaign Site ★ Comus (Mt. Ephraim Crossroads) – Confederate cavalry Cemetery fought a successful rearguard action here, September 9-11, Other Civil War Site 1862, to protect the infantry at Frederick. The German Reformed Church in Keedysville W ASHINGTON ★ Sugarloaf Mountain – At different times, Union and was used as a hospital after the battle. National, State or County Park Confederate signalmen atop the mountain watched the 40 I L InformationInformation or Welcome Center opposing army. Williamsport R A T ★ Monocacy Aqueduct (C&O Canal NHP) – Confederate (C&O Canal NHP) troops tried and failed to destroy or damage the aqueduct South Mountain N on September 4 & 9, 1862. -
FROSTBURG 1882: GERMAN STRIKERS Vs
FROSTBURG 1882: GERMAN STRIKERS vs. GERMAN STRIKEBREAKERS Edited by RICHARD LOWITT PREFACE 73 Bowery Street Several months after publication of The Frostburg, Maryland Maryland Germans (Princeton, 1948) I re- ceived a letter from Mrs. Olive Patton of June 21, 1949 Frostburg, Maryland—a letter which I should have liked to receive prior to the publication Professor Dieter Cunz of my book. It is a rare occurrence when his- University of Maryland torians find that a recent letter about past College Park, Maryland events is worthy of editing and publishing. However, so meager is our knowledge of the Dear Professor Cunz: industrial and labor history of western Mary- land that I thought this letter, based on con- I have read your book The Mary- versations, memories and research was inter- land Germans and found it to be very esting and important enough to be published. good reading as well as informative. One of my colleagues, Dr. Richard Lowitt (Department of History, University of Mary- As I like history, especially that of land), who has done a great deal of research my own state and county, I was in the history of industry and labor relations deeply interested in it. and who therefore is much more qualified than From your book I've chosen the I myself to evaluate this letter, kindly agreed names Charles F. Mayer,1 George, to take over the editing job. I should like to 2 express to Dr. Lowitt my deep appreciation for Adam and John Eckhart, and the the competent and conscientious manner with German miners to write about.