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1
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2by Pederson, G. L.“...U.S. Geological Survey,...”
Published 1980
Government Document Microform Book -
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7Water-quality assessment of Francis E. Walter reservoir, Luzerne and Carbon Counties, Pennsylvania /by Barker, James L., 1936-“...U.S. Geological Survey ;...”
Published 1983
Government Document Book -
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10by Paulachok, Gary N.“...U.S. Geological Survey ;...”
Published 1984
Government Document Microform Book -
11Geologic processes affecting the quality of the Upper Freeport coal bed, west-central Pennsylvania /Published 1986“...U.S. Geological Survey,...”
Government Document Microform Book -
12Published 1990“...U.S. Geological Survey ;...”
Government Document Map -
13Published 1958“...U.S. Geological Survey,...”
Map -
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15by Williams, John H. (John Herbert), 1954-“...U.S. Geological Survey ;...”
Published 1991
Government Document Book -
16
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17by Maughan, Edwin K., 1926-1995“...U.S. Geological Survey :...”
Published 1990
Government Document Microform Book -
18by Witt, Emitt C.“...U.S. Geological Survey ;...”
Published 1991
Government Document Microform Book -
19by Williams, Donald R. (Donald Robert)“...U.S. Geological Survey ;...”
Published 1991
Government Document Microform Book -
20by Dugas, Diana L.“...U.S. Geological Survey ;...”
Published 1993
Government Document Microform Book