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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 Topical Subject: Coal mines and mining Remove constraint Subject: Topical Subject: Coal mines and mining Subject Topical Subject: Geology, Stratigraphic Remove constraint Subject: Topical Subject: Geology, Stratigraphic

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  • Chart of the Indiana coal field : to accompany the supplementary report on the coal of Indiana, by George H. Ashley
  • Geological map of the lower Carboniferous area of Southern Indiana (Salem sheet)
  • Geological map of the lower Carboniferous area of Southern Indiana (Corydon sheet)