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AUTHORS (1-5 of 5)
Pettyjohn, Wayne A., 1933-
1
BOOK
 

Development of a methodology for regional evaluation of confining bed integrity


Stewart, Gary F.
Ada, Okla. : Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, [1989]

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 U.S. Docs. Depository  EP 1.23/2:600/2-89/038  CHECK SHELVES
 
2
BOOK
 

Protection of public water supplies from ground-water contamination.


Pettyjohn, Wayne A., 1933-
Cincinnati, OH : Center for Environmental Research Information, 1986.

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 U.S. Docs. Depository  EP 7.10:W 29  CHECK SHELVES
 
3
MICROFICHE
 

Regional assessment of aquifer vulnerability and sensitivity in the conterminous United States


Pettyjohn, Wayne A., 1933-
Ada, Okla. : Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, [1991]

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 U.S. Docs. Depository Microform  EP 1.23/2:600/2-91/043  CHECK SHELVES
 
4
MICROFICHE
 

Regional assessment of aquifer vulnerability and sensitivity in the conterminous United States proje


Pettyjohn, Wayne A., 1933-
Ada, OK : U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, [1991]

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 U.S. Docs. Depository Microform  EP 1.89/2:600/S 2-91/043  CHECK SHELVES
 
5
BOOK
Book Cover

Water quality in a stressed environment; readings in environmental hydrology.


Pettyjohn, Wayne A., 1933-
Minneapolis, Burgess Pub. Co. [1972]

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 Main Stacks  628.1 P45  CHECK SHELVES
 
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