'E.M. Douglas, geographer. R.H. Chapman, in charge of section. Topography by R.H. Chapman, B.D. Stewart, J.E. Blackburn and D.F.C. Moor. Traingulation by R.H. Chapman and D.F.C. Moor. Surveyed in1905-1906.' 'Edition of Apr. 1910, reprinted 1947.' Scale 1:250,000 ; polyconic proj. (W 117°00´--W 116°00´/N 37°00´--N 36°00´). Relief shown by contours and spot heights. 'North American datum.' 'Contour interval 100 feet.' 'Datum is mean sea level.' Text and illustrations from the Topographic maps of the United States series on verso. Series: The topograhic maps of the United States. United States, Dept. of the Interior, Geological Survey

'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.

'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.'