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1by Condon, Steven M.Subjects: “...Geology, Stratigraphic Permian....”
Published 1997
Government Document Book -
2by Huffman, A. C.Subjects: “...Geology, Stratigraphic Permian....”
Published 1993
Government Document Book -
3by Condon, Steven M.Subjects: “...Geology, Stratigraphic Permian. http://id.loc.gov/authorities/subjects/sh85054107...”
Published 1997
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Government Document eBook -
4Subjects: “...Geology, Stratigraphic Permian. http://id.loc.gov/authorities/subjects/sh85054107...”
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Government Document eBook