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You searched for: Date Created 1906 Remove constraint Date Created: 1906 Publisher Indiana. Department of Geology and Natural Resources Remove constraint Publisher: Indiana. Department of Geology and Natural Resources Subject Topical Subject: Gravel Remove constraint Subject: Topical Subject: Gravel

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  • Illustrating the distribution of road materials in Morgan County
  • Illustrating the distribution of road materials in Jennings, Decatur, Bartholomew and Jackson Counties
  • Map showing gravel deposits in northern indiana
  • Illustrating the distribution of road materials in Dearborn, Ohio, Switzerland and Jefferson Counties
  • Geological map of Allen County showing sand and gravel deposits