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Distribution, structure, and mined areas of coals in Spencer County, Indiana
- Hutchison, Harold C.(Harold Christy), 1925-cartographer.
Preliminary coal map no. 8--Margin.; Includes 2 geologic cross sections, location map, geologic column, index of mines, tables, and diagram of township sections. Scale approximately 1:126,720. Approximately 1 inch to 2 miles.
- Indiana Dept. of Conservation, Geological Survey
- Indiana Historic Maps
- Spencer County, Indiana, United States and Indiana, United States
- Mine maps, Coal mines, Geology, Coal, and Geoscientific Information
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