Related by context. Frequent words. (Click for all words.) 58 MSHA 50 Aracoma 47 Crandall Canyon 47 Mine Safety 46 Massey Energy 46 Sago Mine 45 citations 44 miners 44 mine 44 Oppegard 44 Sago mine 43 Montcoal W.Va. 43 valley fills 43 Crandall Canyon Mine 43 Stickler 43 CEO Don Blankenship 43 Chief Executive Don Blankenship 42 Sago Mine disaster 42 Sago 42 longwall 42 Crandall Canyon mine 41 Queenstake 41 FMCSA 41 mines 40 Massey 40 Montcoal 40 Patriot Coal 40 coal miners 39 trapped miners 39 longwall mining 39 coal mines 39 Blankenship 39 mining 39 Jerritt Canyon 39 ADEQ 39 inspectors 39 OSHA 38 UMWA 38 coal mine 38 Kennecott 38 stope 38 officiating crew 38 COGCC 37 Richard Stickler 37 miner 37 CONSOL 37 Raspadskaya 37 deepwater wells 37 Placer Dome 37 Stricklin 37 willful violations 36 Mine 36 issuing citations 36 spokeswoman Amy Louviere 36 Don Blankenship 36 Colgan Air 36 Metrolink engineer 36 rockfall 36 coal slurry 36 NIOSH 36 violations 36 Manchin 36 Nighbert 36 mineworkers 36 Newmont 35 ADEM 35 cave ins 35 infractions 35 AngloGold 35 Mine Workers 35 foremen 35 Inspectors 35 coal seam 35 AngloGold Ashanti 35 Zijin 35 combustible dust 35 TDEC 35 inattentiveness 35 Gillenwater 35 Hersman 35 Deepwater Horizon explosion 34 Safety Administration 34 Grasberg 34 Randal McCloy Jr. 34 Peter Whittall 34 inspections 34 Coal Mine 34 fatal accidents 34 Northam Platinum 34 Deepwater Horizon 34 Consol Energy 34 willful disregard 34 unroadworthy 34 coalmine 34 tailings dam 34 Wooten 34 Horsehead 34 Rosenker 34 San Esteban 34 Grasberg mine 34 Doe Run