Related by context. Frequent words. (Click for all words.) 85 coalmine 77 coal mines 74 coal mining 71 coal miners 71 mine 70 coalmines 70 colliery 69 Coal Mine 64 miners 63 Sago Mine 62 coal miner 61 miner 60 coalfield 58 coal 57 mines 57 miners trapped 56 mining 56 Coal 56 Coal Mining 56 collieries 56 mine shaft 56 Sago mine 55 trapped miners 55 Mine 55 Mine Safety 54 coalfields 52 coal seam 52 Shanxi province 52 Crandall Canyon Mine 52 Massey Energy 52 MSHA 51 Colliery 50 Crandall Canyon mine 50 Sago 49 W.Va. mine 49 Zijin 49 mine shafts 48 steel mill 48 coal seams 48 Mining 48 iron ore mines 48 uranium mines 48 Patriot Coal 48 longwall 47 coalbed methane 47 Crandall Canyon 47 trapped underground 47 copper smelter 46 steelworks 46 alumina refinery 45 coal fired 45 blast furnace 45 coking coal 45 coal gasification plant 44 UMWA 44 thermal coal 44 quarry 44 CONSOL 44 steel mills 44 smelter 44 Zijin Mining 44 alumina 43 bauxite mine 43 coking 43 iron ore 43 Shanxi Province 43 coal gasification 43 Pilbara iron ore 43 steelmaking 43 metallurgical coal 43 hydroelectric 43 methane gas 42 Mine Workers 42 Guizhou province 42 cave 42 lignite 42 Gold Mine 42 Shaanxi province 42 uranium mining 42 iron ore miner 42 Tangshan 42 Arch Coal 42 Governor Joe Manchin 42 Hunan province 42 Consol Energy 41 HUNTINGTON Utah 41 China Henan Province 41 Peabody Energy 41 China Minmetals 41 COAL 41 Cabin Creek 41 CEO Don Blankenship 41 cavern 41 Bowen Basin 41 nickel miner 41 aluminum smelter 41 Shanxi 41 refinery 41 bauxite 40 drilling rig 40 ore