Affiliation: | U.S. Geological Survey, 333 W. Nye Ln., Carson City, NV 89706;Desert Research Institute, 2215 Raggio Pkwy., Reno, NV 89512;Southern Nevada Water Authority, 1001 S. Valley View Blvd., Las Vegas, NV 89153;U.S. Geological Survey, 720 Gracern Rd., Ste. 129, Columbia, S.C. 29210 |