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1Published 1993Subjects: “...Petroleum Geology Texas....”
Government Document Microform Book -
2Published 1993Subjects: “...Petroleum Geology Alaska....”
Government Document Book -
3Published 1993Subjects: “...Petroleum Geology Northwestern States....”
Government Document Microform Book -
4Published 1993Subjects: “...Petroleum Geology Rocky Mountains Region....”
Government Document Microform Book -
5Published 1994Subjects: “...Petroleum Geology Middle West....”
Government Document Microform Book -
6Published 1994Subjects: “...Petroleum Geology East (U.S.)...”
Government Document Microform Book -
7Published 1993Subjects: “...Petroleum Geology Gulf Coast (U.S.)...”
Government Document Microform Book -
8Published 1981Subjects: “...Petroleum Mexico, Gulf of....”
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9by Spencer, Charles Winthrop, 1930-Subjects: “...Petroleum Wyoming Maps....”
Published 1983
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10by Powers, Richard BlakeSubjects: “...Petroleum Wyoming....”
Published 1993
Government Document Microform Book