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1by Petsch, Bruno Carl, 1901-Subjects: “...Geology South Dakota Lawrence County....”
Published 1949
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2
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3by Morgan, Ray E., 1908-1997Subjects: “...Geology South Dakota Dewey County....”
Published 1945
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4by Petsch, Bruno Carl, 1901-Subjects: “...Granite South Dakota Grant County....”
Published 1948
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5
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6by Petsch, Bruno Carl, 1901-Subjects: “...Geology South Dakota Missouri Valley....”
Published 1946
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7
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8by Rothrock, E. P. (Edgar Paul), 1889-1977Subjects: “...Water-supply South Dakota Huron....”
Published 1935
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9by Petsch, Bruno Carl, 1901-Subjects: “...Geology South Dakota Harding County....”
Published 1954
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