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2Published 1998Government Document Microform Book
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4Published 1998Government Document Microform Book
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5Published 1998Government Document Microform Book
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6Published 1997Government Document Microform Book
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9Published 1999Open-file report homepage, from which a link may be made to the report desired
Government Document Software eBook -
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11Map showing availability of data for selected deep drill holes in the northern midcontinent, U.S.A /Published 1986Government Document Map
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