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arthur maine piper
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Ground water in southwestern Pennsylvania / by Arthur M. Piper, with analyses by Margaret D. Foster and C.S. Howard ; prepared in cooperation between the United States Geological Survey and the Pennsylvania Topographic and Geologic Survey
Piper, Arthur M. (Arthur Maine), 1898-1989. · Pennsylvania Topographic and Geologic Survey
414 sayfa · 1933
Groundwater -- Pennsylvania
