Map of Indiana showing locations of coal and industrial minerals operations
Description
Includes pie chart and list of further reading. "1984 (Modified 1997).", Imprint: [Bloomington, Ind.] : Indiana Geological Survey, 1998., Scale: 1:500,000; Dimensions: 97 x 72 cm, Coordinates: W0880700 W0844500 N0414500 N0375200
Shaffer, Nelson R. (1998). Map of Indiana showing locations of coal and industrial minerals operations. Indiana. Geological Survey. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00836 (map)