Related by context. Frequent words. (Click for all words.) 76 Homestake 47 Jerritt Canyon 47 waste repository 46 tailings 46 Yucca Mountain 45 uranium mines 45 mine 44 WIPP 43 Lamaque 43 Kennecott 43 mine tailings 42 PolyMet 42 Nevada Yucca Mountain 42 underground workings 42 Mine 42 mines 41 mine shaft 41 fish hatchery 41 Wind Cave 41 placer gold 41 adit 41 coal gasification plant 40 Tar Creek 40 mining 40 Rocky Flats 40 pit heap leach 40 heap leach 40 Waste Isolation Pilot 40 Superfund site 40 Tailings 40 molybdenum deposit 40 stopes 40 LANL 39 limestone quarry 39 Reclamation 39 Cerro Casale 39 mine shafts 39 tailings dam 39 Penasquito 39 adits 39 Burnstone 38 Donlin Creek 38 quarry 38 Mines 38 Cigar Lake 38 Beartooth 38 gravel pit 38 Palmarejo 38 Deadwood 38 Lordsburg 37 La Preciosa 37 Spearfish 37 caverns 37 contaminated soils 37 B Reactor 37 ASARCO 37 Gold Mine 37 Asarco 37 mine workings 37 contaminated soil 37 geologic formations 37 smelter 37 Sheep Mountain 37 Leadville 36 coal slurry 36 Hecla 36 Barrick 36 dewatered 36 Signal Peak 36 Pascua Lama 36 National Ignition Facility 36 Raton 36 wildlife refuge 36 uranium 36 mined 36 streambed 36 FutureGen 36 sulfide mineralization 36 Mining 36 coal gasification 36 Brownfields 36 molybdenum 36 lodes 36 South Dakota 36 Creede 36 underground 36 Bison Range 36 Kemess 36 Newmont 35 leach pad 35 Mount Polley 35 coal mine 35 Yucca 35 brownfields 35 cavern 35 mineshaft 35 Yampa River 35 prospectors 35 Crow Tribe 35 Skull Valley 35 orebody