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You searched for: Publisher Indiana. Department of Geology and Natural Resources Remove constraint Publisher: Indiana. Department of Geology and Natural Resources Subject Geographic Subject: Clay County (Ind.) Remove constraint Subject: Geographic Subject: Clay County (Ind.) Subject Topical Subject: Mines and mineral resources Remove constraint Subject: Topical Subject: Mines and mineral resources

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  • Geological map of the sandstone region of western Indiana (Brazil sheet) : to accompany the report on the sandstones of western Indiana by T.C. Hopkins, assistant geologist, in the annual report of the Department of Geology and Natural Resources of Indiana for 1895
  • Table of recent analyses of Indiana coal