Related by context. Frequent words. (Click for all words.) 50 Gahcho Kue 49 Coalbed methane 49 Taku River 48 mining 48 frac sand 47 hydrogeologic 47 WVDEP 47 coalbed methane 47 carbon dioxide sequestration 47 hydrogeological 46 Montanore 46 tailing ponds 46 contaminating groundwater 46 alluvial deposits 46 tailings dams 46 Cline Mining 46 hydro geological 45 coal 45 groundwater aquifers 45 Environmental Impact Review 45 Underground Coal Gasification 45 copper sulphide 45 Marcellus shale formation 44 acid leaching 44 coalbed methane CBM 44 Donlin Creek LLC 44 sand quarrying 44 sequestration CCS 44 Marcellus shale drilling 44 PetroWorth 44 stormwater discharges 44 Environmental Impact Statement EIS 44 gravel extraction 44 fraccing 44 hydro fracking 44 CO2 sequestration 43 sediment sampling 43 Powertech Uranium Corp. 43 Pulacayo 43 Transboundary 43 bed methane 43 Rostekhnadzor 43 Tailings 43 Biological Opinion 42 electrowinning 42 coal mining 42 tailings 42 extraction 42 iron ores 42 Marcellus Shale drilling 42 groundwater withdrawals 42 alluvial mining 42 Increible 6 42 mineral extraction 42 Environmental Impact Assessment 42 Varvarinskoye 42 Environment MOE 42 Uranium Mining 42 NI #-# Resource Estimate 42 sub bituminous coal 42 #-# compliant technical 42 BHP Billiton Iron Ore 42 surficial 42 geochemical analyzes 42 CEAA 42 Barapukuria 41 Bakken shale formation 41 Tar sands 41 copper ores 41 Bankable Feasibility Study BFS 41 environmental impacts 41 Paradox Basin 41 magnetite iron ore 41 heap leach processing 41 Coal seam 41 mine tailings 41 fracturing fluids 41 polluting waterways 41 Utica shale 41 uranium mining 41 subsurface 41 injection wells 41 minable 41 silts 41 coal seams 41 natural gas 41 Canext 41 cyanide leaching 41 Nordegg 41 carbon sequestration 41 BHP Billiton BHP.AX Quote 41 Environmental Impact Study 41 Carbon Sequestration 41 alluvial diamonds 41 tailings disposal 41 heap leach pads 41 evaporation ponds 40 Metgasco 40 Muskeg River Mine 40 Albpetrol 40 horizontal wells drilled