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1by Hutchison, Harold Christy, 1925-Subjects: “...Geology Indiana Parke County....”
Published 1976
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6Published 1859Subjects: “...Geology Indiana....”
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8by Bieberman, D. F. (Doris Franz), 1923-Subjects: “...Geology Indiana Sullivan County....”
Published 1949
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12Published 1957Subjects: “...Geology Indiana Bibliography....”
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15by Hutchison, Harold Christy, 1925-Subjects: “...Coal Geology Indiana Vigo Co. Maps....”
Published 1958
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17by Thornbury, William D. (William David), 1900-Subjects: “...Geology Indiana Miami County....”
Published 1955
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