The Online Books Page

Books by W. F. Hardt:

Books in the extended shelves:

• Hardt, W. F.: Basic ground-water data for western Pinal County, Arizona (Arizona State Land Dept., 1964), also by Lester Ray Kister, R. E. Cattany, Geological Survey (U.S.), and Arizona. State Land Department (page images at HathiTrust)
• Hardt, W. F.: Hydrologic analysis of Mojave River Basin, California, using electric analog model (U.S.G.S., 1971) (page images at HathiTrust)
• Hardt, W. F.: Preliminary appraisal of ground water in storage with reference to geothermal resources in the Imperial Valley area, California ([U.S. Dept. of the Interior], 1972), also by L. C. Dutcher and W. R. Moyle (page images at HathiTrust)
• Hardt, W. F.: Preliminary report on the investigation of salt springs and seeps in a portion of the Permian Basin in Texas (Water Resources Division, Geological Survey, 1965), also by Peter R. Stevens and Geological Survey (U.S.). Water Resources Division (page images at HathiTrust)
• Hardt, W. F.: Review of hydrologic information for adequacy in developing a water management plan in the Owens Valley, southern California (U.S. Geological Survey, 1980), also by California. Department of Water Resources. Southern District and Geological Survey (U.S.) (page images at HathiTrust)
• Hardt, W. F.: Selected data on water wells, geothermal wells, and oil tests in Imperial Valley, California (U.S. Dept. of the Interior, Geological Survey, 1976), also by James J. French (page images at HathiTrust)

Find more by W. F. Hardt at your library, or elsewhere.