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1by Stafford, Philip T.Subjects: “...Geology, Stratigraphic Permian....”
Published 1959
Government Document Book -
2by Eargle, D. Hoye (Dolan Hoye), 1905-1973Subjects: “...Geology, Stratigraphic Permian. http://id.loc.gov/authorities/subjects/sh85054107...”
Published 1960
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3by Stafford, Philip T.Subjects: “...Geology, Stratigraphic Permian. http://id.loc.gov/authorities/subjects/sh85054107...”
Published 1959
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4by Burnside, Robert J.Subjects: “...Geology, Stratigraphic Permian. http://id.loc.gov/authorities/subjects/sh85054107...”
Published 1959
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Government Document eBook