Ohio DNR Division of Mineral Resources Management
Ohio Department of Natural Resources, Division of Mineral Resources Management. Regulation of Ohio''s coal and industrial minerals industry, reclamation and ...
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Ohio Department of Natural Resources, Division of Mineral Resources Management. Regulation of Ohio''s coal and industrial minerals industry, reclamation and ...
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In addition to historical documents, prepared maps and reports, ... This map shows the location of all documented surface and underground coal mines in the state.
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