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  • Chart of the Indiana coal field : to accompany the supplementary report on the coal of Indiana, by George H. Ashley
  • [Coal measure sections in Indiana, Southern Illinois, and Western Kentucky]
  • Vertical section of the geological formations from Green Castle to Terre Haute : made from outcrops and sections of bores along the line of T.H. & I.R. Railroad
  • Geological map of the coal region of Indiana. Sheet E, Pike and Dubois and parts of Gibson, Orange and Crawford Counties to accompany the report on the Coal of Indiana
  • Geological map of the coal region of Indiana. Sheet F, Warrick, Spencer, and Perry counties
  • Geological map of the coal region of Indiana. Sheet G, Posey and Vanderburgh County and part of Gibson County
  • Geological map of the coal region of Indiana. Sheet B, Vigo and Clay Counties, and parts of Owen and Putnam Counties, to accompany the Report on the coal of Indiana
  • Map of Indiana showing locations of coal and industrial minerals operations
  • Map of Indiana showing production and flow of coal, and location of electric generating plants consuming coal
  • Structure chart : east-west cross sections showing dip and elevations of coal beds