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.

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.

58 x 46 cm., on sheet 88 x 85 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Contour interval 20 feet." "Base by U.S. Geological Survey, 1962, 10,000-foot grid based on Nevada coordinate system, central zone." "Geology mapped in 1962-63." Includes 2 col. cross sections, diagrammetric stratigraphic section, quadrangle location map, and text. "Prepared in cooperation with the U.S. Atomic Energy Commission." Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.

'United States Department of the Interior, Geological Survey. Open-file report, 84-130, plate 1.' 'Prepared in cooperation with the Clark County Department of Comprehensive Planning.' '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 and b); modified by R. W. Plume, 1981.' Shows township and range lines. Scale [ca. 1:102,960. 1 in.=approx. 1.625 miles] (W 115°30´--W 115°00´/N 36°30´--N 36°00´). Series: Open-file report (Geological Survey (U.S.))84-130. 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 1984 as Open-file report 84-130.

45 x 36 cm., on sheet 64 x 89 cm., fold. in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Contour interval 40 feet." "Prepared in cooperation with the U.S. Atomic Energy Commission." "Geology mapped in 1962-63." Includes text, 2 col. cross sections, and quadrangle location map. Original publisher: U.S. Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:62 500.