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Key terms: mining coal mineral sludge deep fork sand surface mining waste method sites trees spill mtr deposit coal seam overburden excavator dust flat forest slurry reclamation machines creek mountaintop removal extract contour reclaimed united states environmental kentucky west virginia appalachian outcrop streams vegetation dredging flooding impoundment overlying topography mined areas coal mining underground soil and rock controversial martin county million gallons environmental protection agency Search external links cited by footnotes on Wikipedia page Surface mining: |
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