Related by context. Frequent words. (Click for all words.) 55 tailings 55 mining 53 uranium mines 52 mine tailings 51 heap leach 51 heap leaching 51 mill tailings 51 Jerritt Canyon 50 uranium mining 48 longwall mining 48 heap leach operation 48 Sheep Mountain 48 gravel extraction 47 mines 47 pit heap leach 47 Comstock Lode 47 dewatering 46 copper smelting 46 ore 46 gravel pit 46 gravel pits 46 leach pads 46 valley fills 46 placer mining 46 flotation mill 45 Roadless Rule 45 timbering 45 smelting 45 Mesabi Nugget 45 Mining 45 molybdenum 45 Tailings 44 tailings dam 44 mountaintop mining 44 mountaintop removal coal 44 timber harvesting 44 Kemess 44 mine 44 opencast 43 mined ore 43 fly ash 43 Clean Water Act 43 leach pad 43 grade ores 43 mountaintop removal 43 coal slurry 43 Pebble Mine 43 mill throughput 43 phosphate mining 43 pollute groundwater 43 contaminated soils 42 rock quarry 42 diking 42 sulphide ore 42 uranium 42 bio solids 42 oxide ore 42 Mine 42 dredge spoils 42 solvent extraction 42 leaching 42 dewatered 42 dewater 42 Glamis Gold 42 leach 41 coal 41 Dun Glen 41 gravel 41 ores 41 Book Cliffs 41 sulfide 41 Uranium Mine 41 extraction 41 fracking fluids 41 alluvial gold 41 mountaintop removal mining 41 Yucca Mountain repository 40 coal gasification 40 roadless rule 40 artisanal mining 40 superfund 40 silica sand 40 DEQ 40 tailings pond 40 PolyMet 40 Western Shoshone 40 cyanide 40 injection wells 40 quarry 40 fracking 40 ore mined 40 Winnemucca 40 Divine Strake 40 coal mining 40 dissolved solids 40 elemental mercury 40 mined 40 perchlorethylene 40 moly 40 scrap metal recycling 40 hydrofluoric acid