Related by context. Frequent words. (Click for all words.) 52 mine tailings 51 mill tailings 50 tailings impoundment 49 Lluvia de Oro 49 Animas La Plata 49 Montana Tunnels 48 Comstock Lode 48 reclamation 47 mine 47 mining 47 tailings 46 Roca Honda 46 Los Filos 46 La Coipa 46 Galena Mine 46 uranium tailings 46 alluvial deposits 46 Homestake Mine 46 unpatented claims 46 evaporation ponds 45 placer gold 45 uranium vanadium 45 mines 45 Tailings 45 tailings dams 45 Sierra Madres 45 ASARCO 45 SX EW 45 Lemhi 44 Copper Cobalt 44 hardrock mining 44 Naturita 44 alluvial mining 44 Diwalwal 44 copper molybdenum 44 Cerro Colorado 44 Dewatering 44 Velardena 44 Mine 44 Compania Minera 44 Asarco 43 settling ponds 43 Superfund site 43 mined 43 smelter 43 Schaft Creek 43 molybdenum deposit 43 El Abra 43 copper ores 43 Superfund cleanup 43 Homestake 43 placer mining 43 hardrock 43 Copper Flat 42 Mulatos 42 Zinc Lead 42 tailing ponds 42 Superfund 42 Penasco 42 minable 42 uranium mines 42 heap leach pad 42 Alluvial 42 Masbate Gold 42 situ uranium 42 groundwater extraction 42 Alumbrera 41 Soledad Canyon 41 tailings dam 41 Sulfide 41 Mining 41 Gold Mine 41 groundwater 41 Superfund sites 41 wellfield 41 Las Cristinas gold 41 Rosemont Copper 41 Powertech Uranium Corp. 41 Cominco 41 Mimbres 40 heap leach 40 Environmental Impact Study 40 Taparko 40 contaminated soils 40 contaminated groundwater 40 Goldstrike 40 barite 40 Jerritt Canyon 40 Taviche 40 Smelter 40 Palmarejo 40 Copper Mine 40 caliche 40 Mount Emmons 40 tailings disposal 40 Brisas 40 Milltown Dam 40 lode gold 40 groundwater pumping 40 Uranium Mine 40 porphyry deposit