Surface_coal_mine_detail,_Gillette,_Wyoming[1] February 5, 2016 11:14 am 2334 × 1502 Protect Our Winters Advocates Federal Coal Reform A coal mine on federal land in the Powder River Basin, near Gillette, Wyo. (file photo: Greg Goebel) A coal mine on federal land in the Powder River Basin, near Gillette, Wyo. (file photo: Greg Goebel) 2016-02-06