Regional assessment of aquifer vulnerability and sensitivity in the conterminous United States/
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| Author / Creator: | Pettyjohn, Wayne A., 1933- |
|---|---|
| Imprint: | Ada, Okla. : Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, [1991] |
| Description: | viii, 319 p. : ill., maps ; 28 cm. |
| Language: | English |
| Subject: | |
| Format: | Microform U.S. Federal Government Document Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/1506702 |
