Related by context. Frequent words. (Click for all words.) 58 Montana Tunnels 57 Minntac 54 zinc smelter 54 Galena Mine 52 Diavik diamond mine 52 smelter 52 Rio Algom 52 zinc smelting 51 Scotia Mine 51 Homestake Mine 51 copper smelter 51 Escondida mine 51 Hibbing Taconite 51 Diavik mine 50 Jerritt Canyon 50 mine tailings 50 Cline Mining 50 Kennecott 49 Elandsrand 49 Revett Minerals 49 Meikle mine 49 gravel quarry 49 Greystar Resources 49 mine 49 El Cubo mine 49 Donlin Creek gold 49 Coeur Alaska 48 opencast mine 48 Peter Kiewit Sons 48 quarry 48 Antamina 48 Lluvia de Oro 48 Comstock Lode 48 Cerro Colorado 48 Galore Creek copper 48 Teck Cominco 48 La Coipa 48 Elandsrand mine 48 Mount Emmons 48 Denison Mines 48 Hecla Mining 48 Lamaque 48 Boundary Dam 48 sawmill 48 Powertech Uranium Corp. 48 Kumtor mine 47 Ravensthorpe nickel mine 47 Goldstrike 47 Murrin Murrin 47 mill tailings 47 Copper Mine 47 limestone quarry 47 Uranium Mine 47 LTV Steel 47 Vavenby 47 Limon Mine 47 Cassiar 47 Los Pelambres 47 Dewatering 47 Stillwater Mine 47 Ming Mine 47 copper smelting 47 Naturita 47 Stillwater Mining Co. 47 PCS Phosphate 46 uranium tailings 46 Kennecott Utah 46 NovaGold Resources 46 lumber mill 46 Taconite 46 Mine 46 plywood mill 46 minesite 46 ferronickel 46 mining 46 Xstrata Nickel 46 molybdenum deposit 46 Escondida copper mine 46 Wallula 46 newsprint mill 46 granite quarry 46 Labrador Iron 46 Stillwater Mining 46 Nullagine 46 Macraes 46 Horsehead 46 Century Aluminum Co. 46 Smelter 46 Teck Resources 46 Bucko Lake Nickel 46 Bjorkdal 46 underground workings 46 Acoje 46 Voisey Bay mine 46 Kenora Ontario 45 Newmont Mining 45 Alluvial 45 taconite 45 Goldbelt 45 INCO 45 Point Tupper