2 datasets found

Tags: upper-freeport-coal-seam

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  • Mined Out Areas, Per Other Sources

    Coal mining has occurred in Pennsylvania for over a century. The maps to these coal mines are stored at many various public and private locations (if they still exist at all)...

  • Mined Out Areas, Per Other Sources

    Coal mining has occurred in Pennsylvania for over a century. The maps to these coal mines are stored at many various public and private locations (if they still exist at all)...
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