Related by context. Frequent words. (Click for all words.) 41 reclamation 40 evaporation ponds 39 mill tailings 38 tailings impoundment 38 Tailings 38 wetlands mitigation 38 mine tailings 38 tailing ponds 38 dewatering 37 mines 37 wellfield 37 backfilling 37 Hobet 37 tailings 36 revegetate 36 dewater 35 Fluor Hanford 35 Quarrying 35 Dewatering 35 quarrying 35 groundwater contamination 35 Lluvia de Oro 35 carbon dioxide sequestration 34 groundwater extraction 34 alluvial deposits 34 excavation 34 gravel extraction 34 Environmental Impact Study 34 mining 34 quarries 34 Reclamation 34 Elimination System 34 platting 34 tailings disposal 34 Didipio 34 Environmental Impact Assessment EIA 34 Masbate Gold 33 Environmental Impact Statement EIS 33 predevelopment 33 groundwater 33 Prestea 33 frac sand 33 diggings 33 sediment runoff 33 beneficiation plant 33 heap leach pad 33 tailings dam 32 Elimination System NPDES 32 SX EW 32 SEQR 32 Roca Honda 32 Environmental Impact Statement 32 opencast mining 32 artisanal mining 32 opencast 32 quarry 32 Jerritt Canyon 32 Kolwezi 32 polluted groundwater 32 cyanide leaching 31 cleanups 31 remediation 31 ash ponds 31 mine 31 NPDES 31 wastewaters 31 sequestration 31 fly ash 31 dewatered 31 Remediation 31 leach pads 31 Kansanshi 31 barite 31 contaminated soils 31 FDEP 31 opencast mine 31 Environmental Impact Assessment 31 cleanup 31 brownfields 30 Mufulira 30 copper smelting 30 ISR mining 30 revegetation 30 Munali 30 Gatsuurt 30 effluent discharge 30 wetland mitigation 30 subsidence 30 sanitary landfill 30 minesite 30 replanting 30 Newmont 30 Certej 30 Exploratory drilling 29 sanitary landfills 29 dredge spoils 29 wastewater discharge 29 pelletizing 29 hardrock 29 EPA Superfund 29 aquifer recharge