Related by context. Frequent words. (Click for all words.) 44 Mine Safety 42 Patriot Coal 42 Health NIOSH 41 MSHA 41 Administration 40 Administration OSHA 38 NYSE ACI 36 Massey Energy 36 NIOSH 35 NYSE CNX 35 Safety Administration 34 Arch Coal 33 coal miners 33 Adminstration 33 miners 32 Consol 32 Sago mine disaster 32 Consol Energy 32 Coal Mine 31 Sago Mine disaster 31 OSHA 31 coal miner 30 Raspadskaya 29 CONSOL 29 Alpha Natural Resources 29 Crandall Canyon mine 29 Montcoal W.Va. 29 miner 29 Crandall Canyon Mine 29 Equitable Resources 29 WV 29 coal mine 28 MONTCOAL W.Va. 28 Coal Mine Safety 28 W.Va. mine 28 Monongalia County 28 Monongalia 28 longwall 28 CAMC 28 Aracoma 28 Workplace Safety 28 Labor Occupational Safety 28 Pingdingshan 27 Signal Peak 27 spokeswoman Amy Louviere 27 Davitt McAteer 27 Mining 27 Chemical Safety 27 Sago 27 Aquarius Platinum 27 UMWA 27 Mechel 27 Montcoal 27 CONSOL Energy 27 trapped miners 27 Inspection 27 Bureau 27 PIKEVILLE Ky. 27 AK Steel 26 J. Davitt McAteer 26 Oppegard 26 Governor Joe Manchin 26 Miners 26 Coal Mining 26 Mine 26 coal mining 26 Administrations 26 CHARLESTON W.Va. 26 Sago Mine 26 OIG 26 Hecla Mining Company 26 Cleveland Cliffs 25 CNX Gas 25 Canonsburg Pa. 25 BECKLEY W.Va. 25 W.Va. 25 Federal 25 CPSC 25 Sago mine 25 coal mines 25 willful violations 25 West Virginia 25 conveyer belts 25 Crandall Canyon 25 Shanxi Coal 25 Senate Appropriations subcommittee 25 mine 24 mining 24 Occupational Health 24 Massey 24 KCM 24 Coal Miners 24 Civil Aviation Administration 24 Manchin 24 Dep't 24 combustible dust 24 coal seam 24 West Virginians 24 miners trapped 24 vertical shaft 24 Gov. Joe Manchin