01591oam 2200409 a 450 991070234500332120130418094533.0(CKB)5470000002426709(OCoLC)820722464(EXLCZ)99547000000242670920121210d2012 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierLearning from the Upper Big Branch tragedy[electronic resource] hearing before the Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Twelfth Congress, second session, hearing held in Washington, DC, March 27, 2012Washington :U.S. G.P.O.,2012.1 online resource (iii, 129 pages) illustrationsTitle from title screen (viewed on Dec. 10, 2012)."Serial no. 112-56."Learning from the Upper Big Branch tragedy Coal mine accidentsWest VirginiaRaleigh CountyCoal mines and miningSafety regulationsUnited StatesMine safetyGovernment policyUnited StatesMine explosionsUnited StatesPreventionCoal mine accidentsCoal mines and miningSafety regulationsMine safetyGovernment policyMine explosionsPrevention.GPOGPOGPOBOOK9910702345003321Learning from the Upper Big Branch tragedy3550113UNINA