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1Subjects: “...Geology, Stratigraphic....”
Government Document Book -
2by Ruppel, Edward Thompson, 1925-Subjects: “...Geology, Stratigraphic Cambrian....”
Published 1985
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3by Ruppel, Edward Thompson, 1925-Subjects: “...Geology, Stratigraphic Cenozoic....”
Published 1993
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4by Ruppel, Edward Thompson, 1925-Subjects: “...Geology, Stratigraphic Cenozoic....”
Published 1982
Government Document Book -
5by Ruppel, Edward Thompson, 1925-Subjects: “...Geology, Stratigraphic Cretaceous. http://id.loc.gov/authorities/subjects/sh85054092...”
Published 1962
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6by Ruppel, Edward Thompson, 1925-Subjects: “...Geology, Stratigraphic Cenozoic. http://id.loc.gov/authorities/subjects/sh85054091...”
Published 1982
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