Related by context. Frequent words. (Click for all words.) 47 Zijin 43 China Henan Province 42 Shanxi province 42 coalmine 42 coal mine 42 Hunan province 41 Shanxi 41 Coal Mine 41 Zijin Mining 40 Shaanxi province 40 colliery 39 mine 39 Guizhou province 39 Shanxi Province 39 miner 37 miners 37 Tangshan 36 coalmines 36 China Minmetals 35 coal mines 35 mines 34 ore 34 mining 33 Coal Mining 33 Colliery 33 iron ore 33 coal mining 33 coal miner 32 quarry 32 mine shaft 31 Mining 31 Mine 30 coking 30 copper smelter 30 Massey Energy 30 smelter 29 trapped underground 29 coal 29 nickel miner 28 trapped miners 28 coal miners 28 Crandall Canyon Mine 28 alumina 28 iron ore mines 28 Gold Mine 28 thermal coal 27 methane gas 27 coking coal 27 uranium mines 27 miners trapped 27 Consol Energy 27 Patriot Coal 27 bauxite mine 26 bauxite 26 Crandall Canyon mine 26 cave 26 Coal 26 steel mills 25 Arch Coal 25 coal seams 25 Pilbara iron ore 25 mine shafts 24 coalfield 24 coalbed methane 24 W.Va. mine 24 steelworks 24 metallurgical coal 24 iron ore miner 24 CEO Don Blankenship 23 Sago Mine 23 Mine Safety 23 CONSOL 23 steel mill 23 Peabody Energy 22 Bowen Basin 22 HUNTINGTON Utah 22 cavern 22 COAL 22 hydroelectric 22 drilling rig 22 alumina refinery 21 Crandall Canyon 20 uranium mining 20 UMWA 20 coal seam 20 Mine Workers 19 steelmaking 19 aluminum smelter 19 MSHA 17 lignite 17 coal gasification 17 blast furnace 17 refinery 17 coal fired 17 longwall 17 coalfields 16 Sago 16 coal gasification plant 16 Sago mine 15 Governor Joe Manchin 12 Cabin Creek