TABULATED GRAVITY DATA FR(M McGRATH AND MI3mR.A QUADRANGLES, ALASKA by DAVID F, BARNES, ROSRT C. OLSON, WILLIAM L. WBO UNITED STATES GEOLOGICAL SURVEY Menlo Park, California July 1913 Prepared in cooperation with the STATE OF AUSKA Division of Geological & Geophysical Surveys This report is preliminary and has not been edited or reviewad for conformity with Geological Survey standards Note: General information about the processing and presentation of U.S. Geological Survey Alaskan gravity data and explanations of all the symbols in the following tables may be found in a separate report: Barnes, D. F., 1972, Notes on the processing and presentation of U.S. Geological Survey Alaskan gravity data: U.S. Geol. Survey, Open-file Rept., 25 p. USGS GR4VITY DATA FROM: SOUTHWEST ILASKIr TRAVERSE! BIG RIVER PROJ CHIEFI RARNES DATUM: BARNES 73 DATa SET1 AM13 DATE: 07/19/68t METER: 0-179 OBSERVERS: PETERSON OLSON MAIN BhSEI KYlOn VALUE! 982123.95~ DRIFTt0.O r OTHER BhSESl I - --- ST&I* NOS.+ HT- €LEV ELEV OBSV OBSV GRhV GRAY F41 SB~ANOM sBA STAT + EEV-S-Z- ~~~~~2f1.1.~J4U..LW~TYPE M S ?-a 0 NUMB CLUL,tT\P€-&E KY 1 62 58.42 KY 2 62 56.79 KY 3 + 62 58.41 KY 4 62 58.41 KY 5 62 59.80 KY b 62 58.00 KY 7 + 62 58.81 KY e 62 57.43 KY 9 • 62 55.95 KY10 BASE + 62 56.98 n*r*_Au FwlON -V FAA CRa-a MINIMUM? 62 55.95 IS3 16-67 329 902123.53 8 13 -3.4 NUMBER OF STATIONS: 10 MAXIMUM! 62 59.80 155 32.66 342 982132.36 13.9 2.6 USOS GRlVITY DhTh FROM: SOUTHUEST ALASKA, TRAVERSES BIB RIV 2 PROJ CHIEF1 BhRNES DATUM: BARNES 73 DATA SET 8 AN14 D&TEt 07/20/68* HETERa 6-179 OBSERVERS8 PETERSON OLSON " MAIN BASE: KYlOp VALUE: 982123.95f ORIFTtO.0 r OTHER 94SEs1 Kyle* KV33 --- -- STAT. NOS.+ LOC. HT- ELEV ELEV OBSV OBSV ORRV BRAV F~A se~ANOM seh ST AT OTHER, ECEV. s-irr TYPF 7- 2.67 NUMB l u.TYPE 2i11 BhSE 62 56-98 *KYlO+ 343 U 62 58.70 KYll + 346 U 62 59-49 " KY12 + 353 U 62 58.43 eKY13e 351 U + 63 0.21 KY14 358 U 62 59.98 *KYlS* 359 U 63 1.33 bKY16e 361 U + 62 59-50 +KY17* 363 U BASE 62 59.13 KYIB 370 U + 62 58-95 KYl9 361 U + 62 58.93 KYZO + 368 U + 62 57.57 *KT21 + 368 U + 62 57-92 KY22 e 365 U l 61 56131 + KY23 * 369 U 62 5S.57 KY24. 394 U 62 54.68 KYZS 403 U 62 53.62 + KY26 403 U 62 52.76 KYt7 + 389 U + 62 51.91 + KY2B 397 U + 62 50.68 +KYE9* 401 U + 62 49.79 KYSO 399 U 62 48.48 +KYSl* 414 U 62 47.37 KY32 403 U USGS GRAVITY DhTL FROM1 SOUTHYEST ALASKA* IRhVERSEI BIG RIV 3 PROJ CHIEF: BhRNES DkTUHr B&RNES 73 DATl SET1 AN15 DATE: 07/21/68, METER8 O-lTe OBSERYEASt PETERSON OLSON * MAIN BASES KY33r VALUE3 982086m14t DRIfTiO.OI* OTHER BASES1 KY33r KY46 - P -- --- - STAT. NOS** COC. HT- €LEV EcEV 085V OBSY ORAV GRAV FIA UAWQmPFREF FmTYPF TLWF M-I S TYPF Mu5 -7SBA ANOM SBh MU-.STAT * OTHER ETkPk EV. warn BINGEBOE~E~FIEYIT~~N bs~~a- HIMIMUMt 62 40.56 154 44.01 355 982060*84 024.6 -40.2 NUMBER OF STATIONS: 13 MAXIMUMI 62 53.50 154 58rS4 492 9BPll6.19 -1.3 -13.4 USBS GRAVITY DATA FROMI SOUTHYEST hLASKbr TRAVERSES HEDFRA U-E PROJ CHIEF8 BLAMES OAIUMl BARNES 1973 D1TA SET: AN16 DATE; 07/22/68. METER: 6-17t OBSERVERS8 PETERSON OLSON * HAIN BASE! MEW* VhLUEl 9B2121.55* DRIFTtOmO4~OTHER 8hSESt KY46r MEDL - ---- - STAT. NOS** LOCI HI- €LEV ELEV OBSV OBSV GRAV GRAV FAA SBA ANOM SBA * SThT * OTHER €LEV F%$._ L~~~PI~~~..WRE-L~~~~~~E~V~FREFFEETJYPE~~P~E-~~LLI~~L~L-~*2.6'1c~mih~ KY46 BASE 63 * KY46 * 348 T KT47 63 KY47 356 T KY48 63 KY46 * 356 T KV49 63 * KY49 4 358 T KYSO 63 * KYSO . 359 T KY51 63 4 KY51 364 f KY5t 63 4 KYS2 4 368 T KT53 63 KYS3 367 1 MEDA BASE 63 4 MEOA 420 T WEOP BASE 63 MEDP 400 T KY54 63 *KY54* 383 T KY54 63 * KY54 4 372 T UY55 4 63 KY55 587 T KY56 63 KY56 389 T KY57 HARK 63 KYST* 398 1 KYl8 63 KY58 390 7 KY58 53 KY58 384 T KY59 63 KVS9 389 T KYbO 63 KY60 385 1 KY60 63 KYbO 381 T KY6 1 63 KY61 390 T KY62 4 63 UYb2 393 1 WEDP BhSE 63 HEDP 393 T WED& BlSE 63 4 WEOA 393 T USGS GRAVITY DATA FROM; SOUTHYEST ALASKht TRhVERSEt SO FORK 1 PROJ CHIEFt BARNES DATUM: BARNES 1973 D4Th SET: hW19 DhTEt 07/26/68* METER: 0-179 OBSERVERSI PETERSON OLSON 4 MAIM BASE1 ME6Pt VALUE: 9132121.55t 0R1FT10.0 1 OTHER BASES: KYlOr NIKA - - ---- -- -- STAT. NOS+* LOC. HT- €LEV ELEV OBSV OBSV GRAV GRlV FhA SB1 hNOM SBA STlT OTHER ECEV dMt!-AULLLllrTUIILW~I*LF~eE1113W~>UY- 2-67 *JU!k~~~gb~ KY10 BASE 62 KYlB* 347 V KY46 0hSE 63 UV46 358 Y MEDP BASE 63 MEDP 407 Y KY57 63 KY57 396 W KY63 63 KY63 397 Y KY64 63 KY64 405 W KY65 63 KYb5 410 Y KY65 63 KY65 411 Y KY66 63 KYbb 417 Y KY67 63 KY67 421 W KY68 62 KY66 423 W NIKA BASE + 63 NIKh 448 Y NIKC BASE 63 NIKC 442 Y KV69 BASE 62 KY69 424 U QuLswBm RIN6EPm"DE EL*HmsxAuY FA1 S0- MINIMUMt 62 59.13 154 l0.Tf 350 982014.60 -29.3 -42.4 NUMBER OF SThTIONSl 14 MAXIMUM? 63 6.40 154 58.72 443 982122.43 4.9 *f.O US05 BRAVITY DATA FROM8 SOUTHWEST ALASKhr TRhVERSEt SO FORK 2 PROJ CHIEF1 BARNES DATUM1 BARNES 73 OAT1 SET8 AM20 DATE1 07/27/68t METER# 0-17, OBSEAVERSI PETERSON OLSON + MlIN BASE8 NIKA, VltClEl 982113.419 DRIFT8O.O OTHER BASESI HEW* KY69 --- SThl. NOS** LOC. HT- €LEV €Lev OBSV OBSV QRAV 8RAV FAA SBA ANOM 581 STAT OTHER ECZV,$ E.. NUMR mdu-w TYPF RFf FEFT Tr-,UnE MTl LrcbLs TYPF HE&S 2-=a 2.67 FI Ex, TYPF 7L- L KY69 BASE 62 59-92 * KY60 413 W KYIO 63 0.76 * KYTO 417 Y KY71 62 59.66 KY71 422 Y KY7Z 62 58.95 KYTZ 430 U KY73 62 58.06 KYTS 436 W KY74 62 58-11 *KY74* 441 Y urr5 62 56-90 + KY15 451 Y WY76 62 56-40 KYT6 458 Y KY77 62 55.10 +KY77 481 Y KY78 62 54.01 + KYIA 496 Y NIIC BhSE 63, 0.80 *MIKC* 411 Y NIKl BASE 63 0.95 NIK4 414 Y ~ff~sullmb8jl ~eEs-LQ?i~oE F- Fa1 MrNIMUMl 62 SrsOl 154 4.39 433 912101-01 4 019.1 NUMBER OF SThTIONSl I2 MAXIMUM: 63 0.95 151 2~~62 499 982114- 10 5.2 -11.1 USGS GRAVITY DATh FROM1 SOUTHYEST &tlSKAr TRAVERSEt E FORK 2 PROJ CHIEFS BARMES OITUMl BARNES 1973 DhTA SET8 IN22 DATE: 07/29/68, METER: 0-17, OBSERVERS1 OLSON PETERSON MAIN %AS€: KY94r VALUE: 982123.74~ DRIFTL--021 OTHER RASFSI KX 11 -- -- STAT. NOS.+ LO~. HT- ELEV ELEV OBSV OBSV ORAV ~RAY FAA SOL. ANOH SB~ + SI~T+ OTHER E~EV~T u*uXI.L*TrTUDE_LONQIJUDETrPERFF_FEEITYeETInL-IYPEHGdLf + .td_IICC.B F' FV- m3k UY94 BASE KY9S KY96 UYV7 KY90 KY99 KX 1 BASE KX 2 KX 3 KX 4 KX S KK 6 KX I UX 8 KX 9 USGS GRAVITY DATA FROM: SOUTHWEST hL1SKBr TRAVERSE8 PITKA RIV PROJ CHIEFI BARNES DATUMS BARNES 1973 DAT4 SFlt AM25 DATE8 O7/31/68r WETERI 6-17r OBSERVERS1 OtSOM PETERSON * MAIN BASE8 KXllr VALUE8 982090.88, DRIFTlOaOlr OTHER BASES1 MC6H9 KX15 - - -- --- ---- - STAT. NOS.* LOCe HT- ELEV €LEV OBSV OBSV BRAY BRAV FkA S8A &MOM SBA STAT OTHER L~EV, m*ux..uuuuITU[)E,uiriuutYPFu-m,e~luI-h-uu,xxs TYPF LJQALS -. 7-67 .-B FL~T PF 3 11 BASE 62 57r50 12 4 62 56.97 13 62 55.70 14 62 54-40 15 62 53.53 15 62 53.53 16 62 53.70 I7 62 53-31 QAu-sUnr.RY urn OF' LAuuw to-F uuAum msYAmY CIA MIkXMUMS 62 53-31 154 30.23 382 9BZ090.86 021.6 -34.7 USOS GRAVITY DATA FROHl SOUTHWEST bLASKAr TRAVERSE4 NIKON FORK PROJ CHIEFl RhRNES OlTUMt BARNES 1971 OAT1 SETl AN27 DATE# 08/02/68, METER: Go17r OBSERVERSI PETERSON OLSON MAIN BASE? MCBNt VhLUEI 982lZdml21 DRIFTtO.0 r OTHER BASES1 KX4Or KXE3 - --- STAT. nos.* LOC. MT- €LEV ELEV OBSV OBSV GRav ORAV FAA ssr ~wow SBA 4 STAT ~THE; yw- g~~ uU -TYPE RFF FFET TYP-t WI F TYPF Ha1 S 2.20 ICC. 2-67 e NUMB Fm HCOl BASE HC6H BhSE KXl8 KI(19 KX20 KX2 1 me2 KUtl BASE UXZ* ux2s KXES KX26 KX27 KXEB 1129 KX30 KX3l Kg32 KX33 BASE lX34 KX3S KI36 UX31 RE36 KX38 KX39 KX40 BASE USBS GRAVITY DATh FROM8 SOUTHWEST &LASKPD TRAVERSE1 NIXON END PROJ CHlEFt BARNES DhfUMt 84RNES 1973 DATA SET8 lN29 DATE8 00/03/68* METER* f3-17, OBSERVERS1 OLSON PETERSON MAIN BASEI Kg401 VALUE8 9BtlZSr12r ORIFTt0.00. OTHER BhSESI MCBHt KX33 STAT. WOSe* LOCO HT- ELEV €LEV- OB$V OBSV 6RIV 6RhV FAb SBh ANOM 801 511 -* -* l AT-VPF RFF FFET TYPE 7- TYPF IJOALS 7-67 * HUM KX4O BASE 63 15.20 155 15.49 A 1 370 K 855 912125.12 0 -10.1 -20.5 6 92Z.T * KX40 344 R 024.2 KX4l 63 14.01 155 12.79 A 1 375 K .