Related by context. Frequent words. (Click for all words.) 63 MSHA 57 Sago Mine 52 Sago mine 52 Mine Safety 50 coal mine 49 Sago 49 miners 49 Massey Energy 48 Crandall Canyon Mine 48 coal miners 48 W.Va. mine 47 Crandall Canyon 46 longwall 46 Montcoal 46 UMWA 46 Crandall Canyon mine 46 CEO Don Blankenship 46 NIOSH 45 Randal McCloy Jr. 45 Chemical Safety 45 Stickler 45 mine 45 Massey 44 coalmine 43 Peter Whittall 42 UBB 42 coal mines 42 OSHA 42 Governor Joe Manchin 42 NTSB 42 coal seam 42 coalmines 42 trapped miners 41 coal mining 41 Deepwater Horizon 41 Coal Mine 40 Louviere 40 Gov. Joe Manchin 40 Deepwater Horizon explosion 40 explosion 40 Manchin 39 Patriot Coal 39 CONSOL 39 HUNTINGTON Utah 39 Hazard Investigation Board 39 Mine Workers 39 mines 38 McCloy 38 Blankenship 38 stope 38 Stricklin 37 Kevin Stricklin 37 Transportation Safety 37 blowout preventers 37 miner 37 Macondo 37 Mine 37 PHMSA 37 Consol Energy 37 Davis Besse 37 colliery 36 methane 36 Don Blankenship 36 mining 36 Senator Jay Rockefeller 36 Upshur County 36 coal seams 36 Nuclear Regulatory Commission 36 miners trapped 36 blowout preventer 36 BP Macondo 36 BP Deepwater Horizon 36 NHTSA 36 mine shaft 35 Sen. Jay Rockefeller 35 Occupational Safety 35 FMCSA 35 mine shafts 35 congressional hearings 35 rockfall 35 collieries 35 mountaintop removal mining 35 WorkSafe 35 Transocean 35 DFCS 35 Safety Administration 35 coalfield 35 Rahall 35 detonation 34 Surface Mining 34 Beckley W.Va. 34 methane gas 34 BOEMRE 34 Columbia Accident Investigation 34 Coal Mining 34 Joe Manchin 34 Mechel 34 Whittall 34 Richard Stickler 34 Sofa Super Store 34 Buckhannon