Related by context. Frequent words. (Click for all words.) 62 vermiculite mine 51 Libby Mont 49 vermiculite 47 contaminating groundwater 47 tailings 47 uranium tailings 45 mill tailings 45 mine tailings 45 mining 45 Zonolite 44 WR Grace 44 Jerritt Canyon 44 asbestos contamination 43 smelting 43 coal slurry 43 Vermiculite 42 tailings impoundment 42 contaminated soils 42 Superfund cleanup 42 taconite 42 Tailings 41 copper smelting 41 tailings dam 41 Rocky Flats nuclear 41 hazardous waste 41 Bucko Lake Nickel 41 asbestos 41 ore 41 Galore Creek 41 coal mining 41 Clean Water Act 40 silica dust 40 tailing ponds 40 carcinogenic chemicals 40 Flin Flon Manitoba 40 Mine 40 Murrin Murrin 40 ASARCO 39 Grasberg mine 39 carbon dioxide sequestration 39 Dewatering 39 Hycroft Mine 39 situ uranium 39 Kennecott 39 heavily polluted 39 polluted groundwater 39 mined ore 39 Response Compensation 39 asbestos fibers 39 Hobet 39 Anacortes refinery 39 Kennecott Utah 39 toxic waste 39 Superfund site 39 Superfund Site 39 Kansanshi 38 pelletizing 38 Stratoni 38 evaporation ponds 38 Superfund sites 38 Uranium Mine 38 frac sand 38 Chapada 38 nickel ore 38 heap leach operation 38 metallurgical 38 Jack Abramoff influence peddling 38 ferronickel 38 Asarco 38 trona 38 Buyat Bay 38 Batu Hijau 38 EPA Superfund 37 Occidental Chemical 37 Revett Minerals 37 contaminated groundwater 37 mines 37 mercury arsenic 37 zinc smelter 37 groundwater contamination 37 Newmont 37 magnetite iron ore 37 Voisey Bay nickel 37 environmental remediation 37 suspected carcinogen 37 molybdenum 37 alluvial diamond 37 highly combustible methane 37 bauxite alumina 37 nickel copper cobalt 37 per annum Mtpa 37 cleanup 37 mine 37 sediment runoff 37 coal mine 37 chlorinated solvents 37 contaminated soil 37 placer gold 37 Zinc Lead 37 Ming Mine 37 metals PGM