'U.S. Department of Agriculture, Bureau of Chemistry and Soils; C.A. Browne, Acting Chief; Curtis F. Marbut, in charge, Soil Survey.' 'Macy H. Lapham, Inspector, District 5. Soils surveyed by F.O. Youngs, in charge, and E.J. Carpenter.' 'Field Operations, Bureau of Soils, 1923.' 'A, Hoen & Co. Lith. Baltimore, Md.' Shows township and range lines. Scale [1:63,360]. 1 in. = 1 mile (W 114°45´--W 114°18´/N 36°51´--N 36°24´). Library's copy has hand-written notes and has hand-drawn maps and notes on verso.

'Exhibit A.' 'Dec. 29, 1952.' 'I-128.' Scale [ca. 1:3,600]. 1 in.=300 feet. Shows water pipelines, other parts of the water system, and power lines to be removed or relocated when land is sold to the Las Vegas Valley Water District. Shows land to be sold and lists power requirements for water system. Includes township and range lines. Library's copy includes hand-written notations and calculations. Los Angeles & Salt Lake Railroad Company, Office of Vice President?

'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."

'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.

'Hydrogeology by F.E. Rush, 1968. Geology adapted from Longwell and others 1965.' In lower left corner: ' Base: U.S. Geological Survey 1:250,000 topographic series; Las Vegas (1954).' At top of map: 'United States Department of the Interior, Geological Survey. Department of Conservation and Natural Resources, State of Nevada.' Relief shown by contoursIncludes township and range lines. Scale 1:250,000 (W 115°00´--W 114°15´/N 36°30´--N 36°15´). Series: Water resources-reconnaissance series report . Originally published as plate 1 in Water-resources appraisal of the lower Moapa-Lake Mead area, Clark County, Nevada / by F. Eugene Rush, published by State of Nevada Dept. of Conservation and Natural Resources in 1968 in volume 50 of the serial Water resources-reconnaissance series report.

'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.

Map showing downtown Las Vegas and tracts to the west showing water supply lines, wells, springs, and settling basins. Various areas outlined in red and yellow. Scale [ca. 1:7,200] 1 in.=600 feet. Cadastral map. Blueline print. Areas owned by railroad outlined by hand in different colored markers. Library's copy includes hand-written calculations.