'United States, Department of the Interior, Stewart L. Udall, Secretary. Bureau of Reclamation, Floyd E. Dominy, Commissioner.' 'Map. No. X-300-738. September 1967.' Scale [ca. 1:1,774,080] (W 119°--W 108°/N 39°--N 32°). Relief shown pictorially. Shows completed, under construction and proposed dams and reservoirs, canals, and aqueducts, power plants, pumping plants, substations, transmission lines, tunnels and siphons. Also shows non-Bureau of Reclamation dams, reservoirs, tunnels, pipelines and irrigated lands. Includes inset map of location of Region 3 and key map of drainage basins. Bureau of Reclamation, [Region 3?].

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.

'Prepared by the U.S. Department of the Interior, Geological Survey, in cooperation with the U.S. Department of Housing and Urban Development, Federal Insurance Administration. 1973.' Sheet 1: Las Vegas NE, Nev.; Sheet 2: Las Vegas SE, Nev.; Sheet 3:Las Vegas SW, Nev.; Sheet 4: Las Vegas NW, Nev. Published by Geological Survey (U.S.). Scale 1:24,000. [1 in. to approx. 2,000 ft.]. Relief shown by contours. Flood information overprinted on U.S. Geological Survey 7.5 minute topographic quadrangles: [sheet 1] Las Vegas NE quadrangle, [sheet 2] Las Vegas SE quadrangle, [sheet 3] Las Vegas SW quadrangle, [sheet 4] Las Vegas NW quadrangle, 1967. Shows areas subject to flooding by a flood that has 1 in 100 chance on the average of occurring in any one year. "Flood boundaries were estimated from: regional stage-frequency relations." Includes notes.