Nichols, William D. creator Las Vegas Valley Water District Nev Nevada Division of Water Resources. Geological Survey (U.S.) text xxu Reston, Va Denver, CO U.S. Dept. of the Interior, U.S. Geological Survey For sale by the U.S. Geological Survey, Information Services 2000 monographic eng 1 v. (various pagings) ill. (some col.), maps (some col.) 28 cm. 1 computer optical disc (4 3/4 in.) general by William D. Nichols ; prepared in cooperation with the Las Vegas Valley Water District and the Nevada Division of Water Resources. One computer optical disc in pocket. Four plates of col. maps on 4 folded leaves in 2 pockets. Includes bibliographical references. Groundwater flow Nevada Water table Nevada Phreatophytes Nevada Evapotranspiration Nevada PUCPR 011128 20200624062623.0 253168