'April, 1946.' 'Showing location of wells, springs, and boundary between valley fill and bedrock.' At top of map: 'United States Department of Interior, Geological Survey. Water resources bulletin no. 5, plate 5. ' 'State Engineer of Nevada.' At bottom of map: 'Map showing soils, land classification, and alkali concentration in part of Las Vegas Valley.' Includes range and township grid. Scale [ca. 1:71,597. 1 in. to approx. 1.13 miles]. Series: Water resources bulletin (Carson City, Nev.), no. 5. Originally published as plate 5 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.

Relief shown by contours. Includes range and township grid. Shows springs, wells and areas of discharge. Scale [ca. 1:67,162. 1 in. to approx. 1.06 miles]. Series: Water resources bulletin (Carson City, Nev.)
no. 5. Originally published as plate 7 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.

'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 paper2320-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.