01362nam 2200337Ka 450 991069640320332120080404093551.0(CKB)5470000002378814(OCoLC)219572029(EXLCZ)99547000000237881420080404d2001 ua 0engtxtrdacontentcrdamediacrrdacarrierAn inexpensive device for monitoring explosions in sealed areas of underground 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. 490Title from title screen (viewed on Mar. 13, 2008)."Milestones in Mining Safety and Health Technology.""June 2001."Mine explosionsUnited StatesMine explosionsPittsburgh Research Laboratory (National Institute for Occupational Safety and Health)GPOGPOBOOK9910696403203321An inexpensive device for monitoring explosions in sealed areas of underground mines3543584UNINA