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RT @cears_vt: Landsat analysis reveals 8+% of Virginia’s coalfields disturbed by surface coal mining over a 28-year period, http://t.co/vKr…
RT @cears_vt: Landsat analysis reveals 8+% of Virginia’s coalfields disturbed by surface coal mining over a 28-year period, http://t.co/vKr…
Landsat analysis reveals 8+% of Virginia’s coalfields disturbed by surface coal mining over a 28-year period, http://t.co/vKrrsxXo3v