01729nam 2200421Ka 450 991069684940332120080725075857.0(CKB)5470000002382388(OCoLC)236074031(EXLCZ)99547000000238238820080725d1999 ua 0engtxtrdacontentcrdamediacrrdacarrierPrediction of longwall methane emissions[electronic resource] an evaluation of the influence of mining practices on gas emissions and methane control systems /William P. Diamond and Fred GarciaPittsburgh, 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,[1999]32 pages digital, PDF fileReport of investigations ;9649DHHS (NIOSH) Publication ;no. 99-150Title from title screen (viewed on July 24, 2008)."October 1999."Prediction of longwall methane emissions Longwall miningMine gasesCoal mines and miningSafety measuresLongwall mining.Mine gases.Coal mines and miningSafety measures.Diamond W. P(William P.)1389496Garcia Fred1415357Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health)GPOGPOBOOK9910696849403321Prediction of longwall methane emissions3517091UNINA