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1
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2Published 1924Subjects: “...United States. Department of the Interior....”
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3
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4Published 1932Subjects: “...Geology United States. http://id.loc.gov/authorities/subjects/sh85054080...”
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5Published 1906“...United States....”
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6Published 1906“...United States....”
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7Published 1906“...United States....”
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