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Map of Indiana showing locations of coal and industrial minerals operations

Creator:
Shaffer, Nelson R.
Description:
Includes pie graph and list of further reading. '1984 (Modified 1997).' Scale 1:500,000 By Nelson R. Shaffer.
Publisher:
Indiana Geological Survey
Collection:
Indiana Historic Maps
Place:
Indiana, United States
Subject:
Mine maps
Type:
Image
Year:
1998
Contributed by:
Indiana
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