01711nam 2200433Ia 450 991069659560332120080407134053.0(CKB)5470000002378891(OCoLC)220924165(EXLCZ)99547000000237889120080407d2000 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierProceedings, new technology for coal mine roof support[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, Pittsburgh Research Laboratory,[2000]iii, 280 pages digital, PDF fileInformation circular ;9453DHHS (NIOSH) publication ;no. 2000-151Title from title screen (viewed on Mar. 25, 2008)."October 2000."Includes bibliographical references.New technology for coal mine roof supportMine roof controlCongressesCoal mines and miningSafety measuresCongressesMine safetyCongressesConference papers and proceedings.lcgftMine roof controlCoal mines and miningSafety measuresMine safetyPittsburgh Research Laboratory (National Institute for Occupational Safety and Health)GPOGPOBOOK9910696595603321Proceedings, new technology for coal mine roof support3189164UNINA