Map of well locations, Las Vegas Valley, Nevada, 1975

'Cartography by Marj Thielke.' 'Prepared in cooperation with the State of Nevada, Department of Conservation and Natural Resources, Division of Water Resources.' Relief shown by contours. Shows township and range lines. Originally published as Plate 1 in Water-level changes associated with ground-water development in Las Vegas Valley, Nevada, 1971-75 : fourth progress report--summary of data / by James R. Harrill, published in 1976 by the Department of Conservation and Natural Resources, Division of Water Resources, as volume 22 of Water resources-information series report. Scale [ca. 1:69,696. 1 in.=approx. 1.1 miles] (W 115°20´--W 115°00´/N 36°20´--N 36°00´).