ReadMe: The DRI Data directory contains data from the following sources: Hershey, R.L., and S.A. Mizell, 1995, Water Chemistry of Spring Discharge from the Carbonate-Rock Province of Nevada and California, Volume I. Prepared for the Las Vegas Valley Water District by the Desert Research Institute, Reno, NV. Thomas, J., T. Mihevc, D. Sada, and E. Sawyer, 2004, Annual Data Report for Geochemical Monitoring and Interpretation for Water Budget Development for the White River and Meadow Valley Wash Regional Groundwater Flow Systems, Letter Report prepared for the Southern Nevada Water Authority by the Desert Research Institute, Reno, NV.