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U.S. DEPARTMENT OF THE INTERIOR MISCELLANEOUS FIELD STUDIES U.S. GEOLOGICAL SURVEY MAP MF-2323

121˚ 00'00" 120˚ 00'00" 119˚ 00'00" 118˚ 00'00" 117˚ 00'00" 116˚ 00'00" 115˚ 00'00" 114˚ 00'00"

INDEX MAP OF 1˚ x 2˚ QUADRANGLES COVERING THE STUDY AREA Washington

Owyhee Klamath Jordan Adel Falls Valley

Oregon River Idaho Alturas Vya McDermitt Wells Brigham City

Susan- ville Lovelock Winnemucca Elko Tooele

Lake Coyote Utah Warner 1278 1457 Chico Reno Millett Ely Delta

Sacra- Lake Alvord mento Walker Tonopah Lund Richfield 1311 Lake Arizona

San Jose Mariposa Goldfield Caliente Cedar City

42˚ 00'00" 42˚ 00'00" OREGON IDAHO CALIFORNIA NEVADA

+134

Lake Meinzer 1768

Lake Surprise 1567

Lake Lahontan 1332

41˚ 00'00" 41˚ 00'00" +34

Winnemucca

Lake Lahontan ➤ 1332 Elko Lake Clover

➤ 1730

River

Lake Eagle 1570 Lake Waring River t Humbold +12 1761

Lake Franklin Lake Buffalo 1850 1414

Lake Pine Humboldt +15

+36 40˚ 00'00" 40˚ 00'00"

+44

Lake Gilbert Lake Antelope 1750 Lake Diamond 1745 1829 Lake Dixie 1097 Lake Lahontan 1332 Lake Hubbs River 1920 Lake Gale 1905

River Lake Jonathan +26 NEVADA River Lake Edwards UTAH Reno 1609 Lake Newark Truckee +8 1847

Reese Lake Spring Lake Labou 1759 1274

➤ Lake Desatoya Lake Jake Carson 1899 1945 Ely +82

Lake Tahoe 1926 39˚ 00'00" 39˚ 00'00" Walker

River Lake Toiyabe 1702 Lake Wellington 1475 Lake Maxey 1762

Lake Carpenter 1824

Lake Railroad 1484 Lake Cave 1829

Lake Rhodes

➤ 1351

Tonopah Lake Tonopah 38˚ 00'00" 1463 38˚ 00'00" Lake Russell Lake Columbus Lake Reveille 2155 1402 1512

Lake Rennie

Bishop

NEVADA CALIFORNIA

37˚ 00'00" 37˚ 00'00"

121˚ 00'00" 120˚ 00'00" 119˚ 00'00" 118˚ 00'00" 117˚ 00'00" 116˚ 00'00" 115˚ 00'00" 114˚ 00'00"

Scale 1:800,000 0 30 60 90 120 150 SUMMARY REFERENCES CITED Kilometers Hemphill-Haley, M. A., 1987, Quaternary stratigraphy and late Holocene faulting along the Most late Pleistocene shoreline altitudes and lake names are from Mifflin and Wheat (1979). base of the eastern escarpment of Steens Mountain, southeastern Oregon: M.S. thesis, Lake Warner shoreline from Weide (1975), Lake Alvord shoreline and overflow from Hemphill- Arcata, Humboldt State University, 84 p. Haley (1987), and Lake Coyote shoreline and overflow from Lindberg and Hemphill-Haley (1988). Shaded relief base generated in Arc/Info from USGS 1:250,000-scale DEMs. Pre-late Pleistocene shorelines from Reheis and others (1993), Reheis and Morrison (1997), and Reheis and others Lindberg, D.N., and Hemphill-Haley, M.A., 1988, Late-Pleistocene pluvial history of the EXPLANATION Alvord basin, Harney Co., Oregon [abstract]: Northwest Science, v. 62, no. 2, (in press), except for Lake Wellington (Stewart and Dohrenwend, 1984). See Reheis and others p. 81. (1993; in press) for information on lake-deposit localities. Area of late Pleistocene lakes (not all are shown). Map projection: Lambert Conformal Conic. City Major drainages in the Lahontan basin Mifflin, M. D., and Wheat, M. M., 1979, Pluvial lakes and estimated pluvial climates of Shoreline altitude in meters shown below lake name Digital cartography: Michael O'Donnell and Jonathon Rademaekers. Nevada: Nevada Bureau of Mines and Geology Bulletin 94, 57 p. Pre-late Pleistocene lake-deposit locality Reheis, M. C., and Morrison, R. B., 1997, High, old pluvial lakes of western Nevada, in Late Pleistocene boundary of Lahontan basin Link, P. K., and Kowallis, B. J., eds., Proterozoic to recent stratigraphy, tectonics, and volcanology, Utah, Nevada, southern Idaho, and central Mexico: Provo, Brigham Young Maximum known area of pre-late Pleistocene lakes Manuscript approved for publication June 16, 1999 University Geology Studies, v. 1, p. 459-492. (not all basins have been examined for evidence Pliocene lake-deposit locality Any use of trade names in this publication is for descriptive purposes only and does not imply of pre-late Pleistocene deposits) endorsement by the U.S. Geological Survey Reheis, M. C., Sarna-Wojcicki, A. M., Reynolds, R. L., Repenning, C. A., and Mifflin, Inferred increase of drainage basin area M.D., in press, Pliocene to middle Pleistocene lakes in the western : Ages Late Pleistocene overflow in pre-late Pleistocene time This map was produced on request, directly from digital files, on an electronic plotter. and connections, in Hershler, R., Currey, D., and Madsen, D., eds., Great Basin Aquatic This map is also available as a PDF file at http://greenwood.cr.usgs.gov Systems History: Washington D.C., Smithsonian Institution. Possible additional area of pre-late Pleistocene lakes Possible pre-late Pleistocene overflow and modern sill height Reheis, M.C., Slate, J.L., Sarna-Wojcicki, A.M., and Meyer, C.E., 1993, A late Pliocene to (former elevation raised by sedimentation) State borders middle Pleistocene in Fish Lake Valley, Nevada and California: Geological in meters above late Pleistocene lake level Society of American Bulletin, v. 105, p. 959-967.

Stewart, J. H., and Dohrenwend, J. C., 1984, Geologic map of the Wellington quadrangle, Nevada: U.S. Geological Survey Open-File Report 84-211, scale 1:62,500.

Weide, D. L., 1975, Postglacial geomorphology and environments of the Warner Valley Hart Mountain area, Oregon: Ph.D. dissertation, Los Angeles, University of California, EXTENT OF PLEISTOCENE LAKES IN THE WESTERN GREAT BASIN 293 p. By Marith Reheis 1999