Related by context. Frequent words. (Click for all words.) 85 coal mine 73 coalmines 73 colliery 72 coal mines 68 coal mining 66 mine 65 Coal Mine 59 collieries 58 coal miners 58 miner 58 mines 57 mineshaft 57 miners 56 Colliery 56 coalfield 55 mining 55 coal miner 53 coal 53 Coal Mining 52 coalfields 51 steelworks 51 Mine 50 coal seam 50 tailings dam 50 Coal 50 uranium mines 49 Sago Mine 49 mine shaft 48 blast furnace 48 iron ore mines 48 Zijin 47 trapped miners 47 Pilbara iron ore 47 Mining 47 Shanxi province 46 coal seams 46 alumina refinery 46 longwall 46 Sago mine 45 Bowen Basin 45 bauxite mine 45 steel mill 45 coking coal 45 pulp mill 44 miners trapped 44 Pilbara 44 bauxite 44 Massey Energy 44 abattoir 44 Peter Whittall 44 smelter 44 Zijin Mining Group 44 alumina 44 coking 43 MSHA 43 Gold Mine 43 copper smelter 43 Crandall Canyon Mine 43 thermal coal 43 lignite 43 aluminum smelter 43 Patriot Coal 43 mine shafts 43 Copper Mine 43 iron ore miner 42 Kremikovtzi 42 Crandall Canyon 42 coal fired 42 bauxite mining 42 iron ore 42 trapped underground 42 Pilbara region 42 hydroelectric 42 Minmetals 42 Mine Safety 42 quarry 42 Zijin Mining 42 Sago 42 uranium mining 42 Tangshan 42 goldfields 42 China Minmetals 42 DRDGold 41 Centennial Coal 41 blast furnaces 41 Fuxin 41 rockfall 41 steelmaking 41 underground 41 ore 41 cave 41 CONSOL 41 Linfen 41 brick kiln 41 Grasberg 41 Crandall Canyon mine 41 Shougang 41 Xstrata Coal 40 coal seam gas 40 Perilya 40 Chinalco