At top of map: 'United States, Department of Interior, Geological Survey. Professional Paper 374-E, plate 1.' In lower right corner of map: 'Geology mapped by C.R. Longwell.' Relief shown by contours. Includes seven colored cross-sections. Scale 1:125,000 (W 114°50´--W 114°20´/N 36°10´--N 35°10´). Series: Shorter contributions to general geology. Professional paper (Geological Survey (U.S.))
374-E. Originally published as plate 1 in: Reconnaissance geology between Lake Mead and Davis Dam, Arizona-Nevada / by Chester R. Longwell, published by the U.S. Government Printing Office in 1963 in the series Shorter contributions to general geology and as Geological Survey professional paper 374-E.

Scale: 1" = 100'. 1 map ; 28 x 22 cm. Verso of map is an announcement of the auction to be held May 15, 1905, for lots in the Las Vegas townsite. Pricing and lot information is included, as well as specials for railway tickets to Las Vegas from Los Angeles and Salt Like City. Las Vegas Land and Water Company

At top of map: 'United States Department of the Interior, Geological Survey. Water supply paper 1780, plate 2.' At bottom of map: 'Base from U.S. Geological Survey Las Vegas (1952) and Henderson (1952) quadrangles.' 'Interior--Geological Survey, Washigton, D.C.--1965--W63358.' Relief shown by contours. Includes township and range lines. Thematic map. Scale 1:62,500 (W 115°15´--W 114°45´/N 36°15´--N 36°00´). Series: Water-supply paper (Washington, D.C.)
1780. Originally published as plate 2 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.