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  • Geological map of the coal region of Indiana. Sheet F, Warrick, Spencer, and Perry counties
  • Soil map of Jay County
  • Map of northern Posey County, Indiana, showing structure on Springfield Coal Member (V) of the Petersburg Formation (Pennsylvanian)
  • Tanner's Creek section
  • Outline map of Daviess County oil field
  • [Coal measure sections in Indiana, Southern Illinois, and Western Kentucky]
  • Sketch map of Indiana, showing relative location of the sandstone area
  • Map of Jackson County, Indiana
  • Map of Owen County, Indiana
  • Map of James Lake, Steuben County, Ind.