01390nam 2200349Ka 450 991069640330332120080404093128.0(CKB)5470000002378813(OCoLC)219569319(EXLCZ)99547000000237881320080404d2001 ua 0engtxtrdacontentcrdamediacrrdacarrierReducing the danger of explosions in sealed areas (gobs) in mines[electronic resource][Pittsburgh, PA] :U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health,[2001]2 unnumbered pages digital, PDF fileTechnology news ;no. 489Title from title screen (viewed on Mar. 13, 2008)."Milestones in Mining Safety and Health Technology.""May 2001."Reducing the danger of explosions in sealed areas Mine explosionsUnited StatesMine explosionsPittsburgh Research Laboratory (National Institute for Occupational Safety and Health)GPOGPOBOOK9910696403303321Reducing the danger of explosions in sealed areas (gobs) in mines3109890UNINA