01875oam 2200469 450 991070479170332120131121090852.0(CKB)5470000002443804(OCoLC)852996998(EXLCZ)99547000000244380420130717d2013 ua 0engurbn||||m||||txtrdacontentcrdamediacrrdacarrierA tragic anniversary improving safety at dangerous mines one year after Upper Big Branch : hearing of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Twelfth Congress, first session ... March 31, 2011Washington :U.S. Government Printing Office,2013.1 online resource (iii, 45 pages)S. hrg. ;112-782Title from title screen (viewed on July 17, 2013).Paper version available for sale by the Superintendent of Documents, U.S. Government Printing Office.Tragic anniversary Upper Big Branch Mine Disaster, W. Va., 2010Coal mine accidentsWest VirginiaRaleigh CountyMine explosionsWest VirginiaRaleigh CountyCoal mines and miningSafety regulationsUnited StatesMine safetyGovernment policyUnited StatesMine explosionsUnited StatesPreventionUpper Big Branch Mine Disaster, W. Va., 2010.Coal mine accidentsMine explosionsCoal mines and miningSafety regulationsMine safetyGovernment policyMine explosionsPrevention.GPOGPOGPOBOOK9910704791703321A tragic anniversary3490636UNINA