Map of part of Las Vegas Valley, Nevada, showing the approximate area of artesian flow, 1965

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.