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robert a pettijohn
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Hydrologic analysis of the High Plains aquifer system in Box Butte County, Nebraska
Robert A. Pettijohn · Open-File Services Section, Western Distribution Branch
54 sayfa · 1984
Hydrology / Aquifers
Geochemistry of ground water in the Gulf Coast aquifer systems, south-central United States
Robert A. Pettijohn · U.S. Dept. of the Interior, U.S. Geological Survey
158 sayfa · 1996
Water chemistry / Geochemistry / Groundwater
Nature and extent of ground-water-quality changes resulting from solid-waste disposal, Marion County, Indiana
Robert A. Pettijohn · Dept. of the Interior, Geological Survey, Water Resources Division
199 sayfa · 1977
Sanitary landfills / Groundwater / Waste disposal in the ground / Pollution
Processing water-chemistry data, Gulf Coast aquifer systems, south-central United States
Robert A. Pettijohn · [U.S. Dept. of the Interior, Geological Survey
42 sayfa · 1986
Water / Groundwater / Analysis / Composition