Related by context. Frequent words. (Click for all words.) 78 Crandall Canyon Mine 65 Crandall Canyon 60 trapped miners 58 Sago Mine 56 Mine Safety 55 MSHA 55 HUNTINGTON Utah 54 Sago mine 50 coal mine 50 miners trapped 50 Sago 49 miners 48 mine shaft 47 Massey Energy 45 mine 45 coal miners 43 W.Va. mine 43 Stickler 42 Minister Laurence Golborne 42 rescuers 41 coal mining 41 ventilation shaft 41 coalmine 41 Kevin Stricklin 40 trapped underground 40 Stricklin 40 Patriot Coal 40 rockfall 40 cavern 40 miner 40 coal seam 40 coal mines 40 Richard Stickler 40 McCloy 40 UMWA 39 Deepwater Horizon rig 39 cave 38 rig explosion 38 Brant Webb 38 Mine 38 longwall 38 shaft 38 Gov. Joe Manchin 37 cave ins 37 Minister Jaime Manalich 37 Manalich 37 Consol Energy 37 Whittall 37 FirstEnergy Corp. 36 Coal Mine 36 Sergei Shoigu 36 Davis Besse 36 Governor Joe Manchin 36 breathable air 36 Kennecott 36 Manchin 36 Kemerovo 36 Mine Workers 36 Rep. Alan Mollohan 35 West Virginia 35 stope 35 Deepwater Horizon 35 Deepwater Horizon explosion 35 Louviere 35 colliery 35 Shelley Moore Capito 35 mining 35 AK Steel 35 mine shafts 35 CEO Don Blankenship 35 coal seams 35 underground workings 34 Imperial Sugar 34 entombed 34 sweat lodge ceremony 34 Upshur County 34 Chemical Safety 34 Weirton Steel 34 Atacama Desert 34 Escondida 33 Chilean miners 33 Rescuers 33 shafts 33 NIOSH 33 Colgan Air 33 coal miner 33 coalmines 33 rig Deepwater Horizon 33 Deepwater Horizon exploded 33 Cleveland Cliffs 33 mines 33 Hazard Investigation Board 33 Yingxiu 33 NTSB 33 Fukushima plant 33 rockslide 33 TEPCO 33 Wheeling Pittsburgh 33 Martian surface 33 Picher 33 Deepwater Horizon disaster