Stamp on verso: "Donna Michelle Porter Photography Las Vegas NV (702) 222-8306."

Stamp on verso: "Donna Michelle Porter Photography Las Vegas NV (702) 222-8306."

Stamped on verso: "Donna Michelle Porter Photography Las Vegas NV (702) 222-8306."

'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.