coal mine Definition

coalmine, colliery, mine, coalfield, coal, coalminer, mineshaft, coal seam, opencast, steel mill, steelworks, bituminous coal, mineworker, pithead, anthracite, quarry, lignite, smelter, iron ore, steelmaking, hydroelectric, ore, slag heap, miners, bauxite, metalliferous, goldfield, coal miner, metallurgical, taconite, sawmill, metallurgic, tenement, pneumoconiosis, surface mine, blast furnace, alumina, copper mine, coking, cave, dragline, kuznetsk, steam coal, opencut, strip mine, tangshan, cavern, refinery, ferroalloy, drilling rig, shanxi, smelting, sea coal, shaft, mudslide, underground, oilwell, ventilation shaft, dam, sepon, kilns, fushun, opencast mining, inner mongolia, unreclaimed, stone pit, cannel coal, molly maguire, methane, molybdenum, firedamp, stope, anthracite coal, novokuznetsk, ferromanganese, soda ash, hydropower, trona, rescuers, reactors, fumaroles, henan, abattoir, gasfield, hunan province, wind farm, fluorspar, furnaces, yunnan province, ferrochromium, plant, manganese, tailings, xylanthrax, silver mine, drilling, green river, drillers, magnesite, gansu,