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Oil and gas fields of Colorado : statistical data through 1996 /
Published 1999Subjects:Government Document Book -
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Géologie de la matière organique : séance spécialisée de la Société géologique de France, Orléans, 11 et 12 mars 1985 /
Published 1987Subjects:Book -
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Contributions to economic geology (short papers and preliminary reports), 1922. : Part II. -- mineral fuels /
Published 1923Subjects: Search for the full-text version of this title in HathiTrust
Government Document Book -
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