58 x 47 cm., on sheet 81 x 81 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Geology mapped in 1962. Contours on pre-Cenozoic rocks by D. L. Healey and C. H. Miller, 1958-63." Includes text, col. cross section and quadrangle location map. "Prepared in cooperation with the U.S. Atomic Energy Commission." Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.

'Department of the Interior, U.S. Geological Survey. Water-supply paper 2320-a, plate 4.' '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); Bell and Smith (1980); and J. R. Harrill, 1976.' 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 paper
2320-A. Originally published as plate 4 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.

'G. F. Becker, geologist-in-charge. Julius Bien & Co. lith. Mapping and geology by J. S. Curtis.' 'U.S. Geological Survey. Annual report 1883, pl. XXXIII.' Published by U.S. Geological Survey. Scale [ca. 1:2,400] 1 in.=200 feet. Library's copy has "Nev." printed in pencil in upper right corner.

2 map sections on 1 sheet. Originally published as plate 6 in Geology and water resources of Las Vegas, Pahrump, and Indian Spring Valleys, Clark and Nye Counties, Nevada by George B. Maxey and C.H. Jameson, which is number 5 of the Water resources bulletin published by the Nevada Office of the State Engineer. Shows permeable and impermeable materials, wells, and aquifers.

'Department of the Interior, U.S. Geological Survey. Water-supply paper 2320-A, plate 2.' 'Prepared in cooperation with the Clark County Department of Comprehensive Planning.' 'Geology by R.W. Plume, 1981.' Scale [ca. 1:95,040. 1 in.=approx. 1.5 miles]. Series: U.S. Geological Survey water-supply paper
2320-A. Originally published as plate 2 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. "Prepared in cooperation with the Clark County Department of Comprehensive Planning."

'Nevada Bureau of Mines. Bulletin 62, plate 5.' 'Prepared cooperatively by the U.S. Geological Survey.' Shows types of rocks as well as faults. Scale [ca. 1:760,320. 1 in. to approx. 12 miles] (W 116°--W 114°/N 37°--N 35°). Bulletin (Nevada Bureau of Mines)
62.

At top of map: 'Department of the Interior. U.S. Geological Survey. Water supply paper2320-A, plate 5.' 'Prepared in cooperation with the Clark County Department of Comprehensive Planning.' 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); Bell and Smith (1980); Bell (1981) and J. R. Harrill, 1976. Thickness of valley-fill deposits by R.W. Plume, 1981.' Includes three profiles. 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 paper, 2320-A. Originally published as plate 5 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.