At top of map:'Department of the Interior, U.S. Geological Survey. Prepared in cooperation with the Clark County Department of Comprehensive Planning. Water supply paper 2320-A, plate 1.' At bottom of map: ' Base from U.S. Geological Survey, 1:100,000, Boulder City, Ariz.-Nev., Las Vegas, Nev.-Calif., Mesquite Lake, Nev.-Calif., 1978; Lake Mead, Nev.-Ariz., 1979. Geology from Malmberg (1965); Longwell and others (1965); Haynes (1967); Bingler (1977); Bell and Smith (1980); Bell (1981); Matti and Bachhuber (1982); and Matti and Morton (1982a, b); modified by R. W. Plume, 1981.' Shows township and range lines. Scale 1:100,000 (W 115°30´--W 115°00´/N 36°30´--N 36°00´). Series: U.S. Geological Survey water-supply paper2320-A. Originally published as plate 1 of Ground-water conditions in Las Vegas Valley, Clark County, Nevada. Part I. Hydrogeologic framework / by Russell W. Plume, published by the U.S. Geological Survey in 1989 as Water-supply paper 2320-A.
'United States Department of Interior, Geological Survey, Water Resources Bulletin No. 6.' 'State Engineer of Nevada.' Relief shown by contours. Includes township and range lines. Scale [ca. 1:126,720. 1 in.=approx. 2 miles]. Series: Water resources bulletin (Carson City, Nev.)no. 6. Originally published as plate 1 in Ground water in Las Vegas, Pahrump, and Indian Spring Valleys, Nevada : a summary / G. B. Maxey and T. W. Robinson, prepared in cooperation with the United States Department of the Interior, Geological Survey, and published as no. 6 of the Water resources bulletin.
The David Donovan Collection on Hydrology and Geology (1911-2011) is comprised of the research collected by former Las Vegas Valley Water District employee, David Donovan, about groundwater, hydrology, minerals, and geology in Nevada, as well as the surrounding areas of California, Arizona, and Utah. Included are reports, professional papers, maps, and books.
58 x 47 cm., on sheet 86 x 81 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Geology mapped in 1961." Includes description of map units, 2 col. cross sections, and quadrangle location map. "Prepared in cooperation with the U. S. Atomic Commission." Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.
58 x 46, on sheet 88 x 84 cm., fold. in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Contour interval 20 feet." "Prepared in cooperation with the U.S. Atomic Energy Commission." Title on envelope: Geologic map of the Oak Spring Quadrangle, Nye County, Nevada. Includes 3 col. cross sections, text, and quadrangle location map. Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.
58 x 46 cm., on sheet 79 x 91 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Prepared in cooperation with the U.S. Atomic Energy Commission." "Base by U.S. Geological Survey, 1962." "Geology mapped in 1963." "Contour interval 20 feet." Includes text, 2 col. cross sections, quadrangle location map, and 1 index map. Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.
At top of map: 'U.S. Geological Survey, Charles D. Walcott, director.' At bottom of map: 'E.M. Douglas, Geographer. R.H. Chapman, in charge of section.Triangulation and topography by R.H. Chapman and B.D. Stewart. Surveyed in 1905.' 'Geology by Sydney H. Ball. Geology in immediate vicinity of Goldfield and Bullfrog generalized from maps by F.L. Ransome assisted by George H. Garrey and W.H. Emmons.' Scale 1:250,000 (W 117°30--W 116°/N 38°--N 36°)
58 x 47 cm., on sheet 74 x 84 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Bedrock geology mapped by B.C. Burchfiel, 1961, and by E.J. McKay and K.A. Sargent, 1965-66. Surficial geology mapped by A.T. Fernald, 1968." Includes cross sections, description of map units, and location map. "Prepared in cooperation with the U. S. Atomic Commission." Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.