Related by context. Frequent words. (Click for all words.) 48 Montana Tunnels 46 Crow Butte 43 coalbed methane 42 openpit 42 Donlin Creek gold 42 Northshore Mining 42 coal gasification 41 Hobet 40 magnetite iron ore 40 coal 40 Escaped inmate 40 sub bituminous coal 40 Moundsville W.Va. 40 Boich 40 Magnum Coal 39 mine 39 coal mining 39 AENY 39 coal gasification plant 39 mining 38 Marcellus shale drilling 38 phosphate mines 38 Cabin Creek 38 limestone quarry 38 Comstock Lode 38 Coalbed methane 38 Lauxmont Farms 38 coal mine 38 Northern Arapaho Tribe 38 Sheriffs Deputies 37 Uranium Mine 37 Coal 37 Coalfields Expressway 37 spokeswoman Jama Jarrett 37 opencast mine 37 Galilee Basin 37 Powder River Basin 37 bed methane 37 timbering 37 Ulaan Ovoo 37 Phelps Dodge Mining 36 Sohrbeck 36 Highlands Conservancy 36 Hespen 36 coalbed methane CBM 36 highwall 36 CONSOL 36 Mingo Logan 36 alluvial diamond 36 Chesrown 36 Ponca Tribe 36 Sabala 36 Mines 36 Arch Coal Inc. 35 goldmining 35 quarry 35 mines 35 Cerrejon 35 Minatare 35 Doug Hock 35 Consol Energy Inc 35 mountaintop removal mines 35 Mine 35 goldfield 35 metallurgical 35 Surface Mine 35 coal seams 35 Banayat 35 Blankenship 35 Mining 35 Miners 34 Hopffer 34 Jeff Gillenwater 34 Shelocta 34 Marcellus shale formation 34 valley fills 34 iron ore mines 34 wooded area 34 high Btu bituminous 34 Sheriffs deputies 34 Aracoma 34 Neligh 34 coalfield 34 Coal Seam Gas 34 Scherschligt 34 Copper Mine 34 coalfields 34 Randal McCloy 34 Hibbing Taconite 34 Western Bituminous 34 BHP Billiton Iron Ore 33 zinc smelting 33 CNX Gas Corporation 33 thermal coal 33 coal seam 33 Coppabella 33 Lauriski 33 Sasol Mining 33 Tintaya 33 metallurgical coal 33 Jeff Danker