Search Results - Pettyjohn, Wayne A., 1933-

Regional assessment of aquifer vulnerability and sensitivity in the conterminous United States by Pettyjohn, Wayne A., 1933-

Water quality in a stressed environment : readings in environmental hydrology / by Pettyjohn, Wayne A., 1933-

Geohydrology of the Souris River Valley in the vicinity of Minot, North Dakota / by Pettyjohn, Wayne A., 1933-

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Geohydrology of the Souris River Valley in the vicinity of Minot, North Dakota / by Pettyjohn, Wayne A., 1933-

Protection of public water supplies from ground-water contamination. by Pettyjohn, Wayne A., 1933-

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Geology of the Glencross quadrangle, South Dakota / by Pettyjohn, Wayne A., 1933-

Regional assessment of aquifer vulnerability and sensitivity in the conterminous United States / by Pettyjohn, Wayne A., 1933-

Search for the full-text version of this title in HathiTrust

Ground-water resources of Renville and Ward Counties / by Pettyjohn, Wayne A., 1933-, Hutchinson, R. D. (Rickard D.)

Development of a methodology for regional evaluation of confining bed integrity / by Stewart, Gary F.

Other Authors: “…Pettyjohn, Wayne A., 1933-…”

Geology and ground water resources of Renville and Ward Counties.

Other Authors: “…Pettyjohn, Wayne A., 1933-…”
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Water quality in a stressed environment; readings in environmental hydrology.

Other Authors: “…Pettyjohn, Wayne A., 1933-…”
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