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  • Map showing oil, gas, and gas storage fields in Indiana
  • Map showing location of industrial sand, marl, peat, mineral wool, cement, and lime operations in Indiana
  • Map showing location of clay and shale pits and ceramic plants in Indiana
  • Map of southwestern Indiana showing locations of surface and underground coal mines
  • Map of northern Posey County, Indiana, showing structure on Springfield Coal Member (V) of the Petersburg Formation (Pennsylvanian)
  • Map of a stone fortification and mounds on the Ohio River 3 miles east of Charlestown, Clarke Co., Indiana
  • Map of Wyandotte Cave, in Crawford County, Indiana
  • Map of Warren County, Indiana
  • Map of Vigo County, Indiana
  • Map of Vermillion County