Books by Ralph O. Patt:
Books in the extended shelves:
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Patt, Ralph O.: Characterization of nitrogen sources contaminating shallow ground water in an arid basin, Las Vegas area, Nevada (Water Resources Center, Desert Research Institute, University of Nevada System, 1976), also by J. W. Hess (page images at HathiTrust; US access only)- Patt, Ralph O.: Las Vegas Valley water budget : relationship of distribution, consumptive use, and recharge of shallow ground water (Environmental Protection Agency, Office of Research and Development, Robert S. Kerr Environmental Research Laboratory ;, 1978), also by Robert S. Kerr Environmental Research Laboratory (page images at HathiTrust)
- Patt, Ralph O.: Las Vegas Valley water budget : relationship of distribution, consumptive use, and recharge of shallow water (Environmental Protection Agency, Office of Research and Development, Robert S. Kerr Environmental Research Laboratory ;, 1978), also by Robert S. Kerr Environmental Research Laboratory (page images at HathiTrust)
- Patt, Ralph O.: Nitrogen contamination sources in shallow ground water, Las Vegas area, Nevada (Water Resources Center, Desert Research Institute, University of Nevada System, 1977), also by J. W. Hess (page images at HathiTrust; US access only)
Find more by Ralph O. Patt at your library, or elsewhere.