Research Catalog

  • Regional assessment of aquifer vulnerability and sensitivity in the conterminous United States [microform] / Wayne A. Pettyjohn, Mark Savoca, Dale Self.

    • Text
    • Ada, Okla. : Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, [1991]
    • 1991
  • Regional assessment of aquifer vulnerability and sensitivity in the conterminous United States [microform] : project summary / Wayne A. Pettyjohn, Mark Savoca, and Dale Self.

    • Text
    • Ada, OK : U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, [1991]
    • 1991

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