Work includes elimination of 5,500 LF of dangerous highwall through backfilling, grading, and revegetation of 84 acres at an abandoned surface mine site. Work includes clearing, grubbing, channel installation, and sediment controls. Description: 1 LS of mobilization/access; 84 acre of clearing and grubbing; 1 LS of impoundment dewatering; 1 LS of earthwork; 1 LS of soil excavation; 49930 SF of concrete channel lining; 20000 LF of silt fence/ straw bale dikes; 364 tons of #1 & #2 stone; 182 ton of # 3 and # 4 stone; 84 acre of standard revegetation; 76 LS of tree seeding - planting; 730 ton of lime; 27050 lbs of potassium fertilizer; 56800 lbs of diammonium phosphate fertilizer; 500 LF of aggregate drains; 102 LF of vehicle barrier; 530 ea of vehicle barrier (bollards); 1 LS of surveying.