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Pennsylvanian Geologic Period
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Terriere, Robert T., 1926- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1960.
1960
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Merriam, Charles W. (Charles Warren), 1905-1974 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey
1957
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Miller, Ralph L. (Ralph LeRoy), 1909-1991, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969.
1969
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Richter, Donald H., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1975.
1975
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Johnson, Samuel Y., author.
Washington, D.C. : Department of the Interior, U.S. Geological Survey, 1987.
1987
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Kehn, Thomas M., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973.
1973
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McKee, Edwin D. (Edwin Dinwiddie), 1906-1984, author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1975.
1975
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Myers, Donald A., 1921- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972.
1972
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Glick, Ernest E. (Ernest Earwood), 1922- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1964.
1964
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Pennsylvanie Air Qualite Aspect Economique Pittsburgh
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Nataraj, Shanthi.
Santa Monica, CA : RAND, [2013]
2013
Rating:
Axe JSTOR Open Ebooks
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