Genre/Form: Thematic maps. Scale 1:62,500 (W 115°15´--W 114°45´/N 36°15´--N 36°00´). 1 map : col. ; 45 x 72 cm. Series: Water-supply paper (Washington, D.C.) ; 1780. Relief shown by contours. Originally published as plate 11 of Available water supply of the Las Vegas ground-water basin, Nevada, by Glenn T. Malmberg, published by the Geological Survey in 1965 as its Water-supply paper 1780. Includes township and range lines. Interior, Geological Survey

Genre/Form: Thematic maps. Scale 1:62,500 (W 115°15´--W 115°00´/N 36°15´--N 36°00´). 1 map ; 45 x 36 cm. Series: Water-supply paper (Washington, D.C.) ; 1780. Relief shown by contours. Originally published as plate 8 of Available water supply of the Las Vegas ground-water basin, Nevada, by Glenn T. Malmberg, published by the Geological Survey in 1965 as its Water-supply paper 1780. Includes township and range lines. Interior, Geological Survey

Genre/Form: Topographic map. Scale 1:96,000 (W 115°30´--W 114°45´/N 36°30´--N 36°00´). 1 map ; 58 x 70 cm. Series: Water-supply paper (Washington, D.C.) ; 1780. Relief shown by contours. "After C.R. Longwell (written communication, 1954, fig. 30)." Originally published as plate 12 of Available water supply of the Las Vegas ground-water basin, Nevada, by Glenn T. Malmberg, published by the Geological Survey in 1965 as its Water-supply paper 1780. Includes township and range lines. Interior, Geological Survey

90 x 71 cm. Relief shown by hachures. In bottom margin: "Julius Bien, Lith." "Note. This map has been constructed from atlas sheets of the U.S. Geographical and Geological Survey of the Rocky Mountain Region with additional material taken from the maps of the U.S. Geographical Explorations and Surveys west of the 100th meridian, Lieut. Geo. M. Wheeler, Corps of Engineers, in charge ; the U.S. Geological Exploration of the 40th parallel, Clarence King, U.S. Geologist in charge ; and the U.S. Geologial and Geographical Survey of the Territories, F.V. Hayden, in charge." At head of title: Department of the Interior, U.S. Geographical and Geological Survey of the Rocky Mountain region, J.W. Powell in charge. Original publisher unknown.

At top of map: 'U.S. Geological Survey, George Otis Smith, Director. Water-supply paper no. 224, pl. 1.' 'Topography compiled from U.S. Geographical Survey atlas sheets,Perris' map of Southern California and other sources.' Relief shown by hachures. Shows township and range grid. Covers the area from Bishop south to the Mexican border, from Long Beach and San Diego to the Arizona border, and the southern part of Nevada, from Beatty and Mesquite south. Scale [ca. 1:1,140,480. 1 in. to approx. 18 miles] (W 118°00´- -W 114°00´/N 37°00´--N 32°32´). Series: Water-supply paper (Washington, D.C.)224. Map is plate 1 from the U.S. Geological Survey Water-supply paper 224.

Scale 1:62,500 ; polyconic proj ; 1 map : col. ; 45 x 36 cm.; Relief shown by contours and spot heights. Contour interval 20 ft. ; Includes quadrangle location map ; Nevada 15 minute series (topographic) ; Fifteen minute series (topographic) Nevada ; Geological Survey

'Topography by Lee Morrison. Control by U.S. Geological Survey and U.S. Bureau of Reclamation. Surveyed in 1934.' Relief shown by contours and spot heights. 'Arrowhead Canyon Dam and reservoir site' hand-written on map. Map is part of a larger map and has been taped to a manila envelope sent from the Agricultural Administration to J.H. Wittwer on Sept. 25, 1939. Map has hand-drawn township and range lines and handwritten numbers. Verso has a hand-drawn map, calculations, and hand-written notes. U.S. Geological Survey