Yazar
wayne a pettyjohn
11 cilt bulundu.
Wayne A. Pettyjohn · Burgess
309 sayfa · 1972
Water / Environmental aspects of Hydraulic engineering / Environmental aspects / Ecohydrology / Groundwater
Wayne A. Pettyjohn · Noyes Data Corp.
177 sayfa · 1987
Drinking water / Water-supply / Congresses / Groundwater / Pollution
Wayne A. Pettyjohn · U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory
319 sayfa · 1991
Groundwater / Aquifers / Pollution
Wayne A. Pettyjohn · National Demonstration Water Project
272 sayfa · 1979
Maps / Groundwater / Water quality / Water
Wayne A. Pettyjohn · Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency
44 sayfa · 1985
Artificial groundwater recharge
Wayne A. Pettyjohn · Govt. Print. Off.
53 sayfa · 1967
Water / Water-supply / Groundwater / Composition
Wayne A. Pettyjohn · Center for Environmental Research Information
182 sayfa · 1986
Water quality management / Groundwater / Pollution
Wayne A. Pettyjohn · University Center for Water Research, Oklahoma State University
72 sayfa · 1983
Water / Maps