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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 Remove constraint Subject: Topical Subject: Coal 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
  • Structure chart : east-west cross sections showing dip and elevations of coal beds
  • Coal chart : Indiana measures showing thickness, partings, roof and floor of the principal coal beds
  • Chart giving comprehensive view of the stratigraphy of the coal measures.