Keywords:Bituminous coal; Coal blast furnaces; Coal transportation routes; Coal types; Historic mineral values; History of coal mining; History of natural gas usage; Natural gas
Publisher:Indianapolis, Indiana: R.J. Bright, State Printer
Citation:Cox, E.T., et al (1872). "Geological Report." In Third and Fourth Annual Reports of the Geological Survey of Indiana, pp. 9-59. Indianapolis, Indiana: R.J. Bright, State Printer.
Series, #:Annual Reports of the Indiana Geological Survey; 3-4
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