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