01481nam 2200385Ia 450 991069910610332120230902161813.0(CKB)5470000002400839(OCoLC)467966721(EXLCZ)99547000000240083920091120d2009 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierFinding trapped miners by using a prototype seismic recording system made from music-recording hardware[electronic resource] /by Thomas L. PrattReston, Va. :U.S. Geological Survey,2009.1 online resource (iii, 35 pages) illustrationsOpen-file report ;2009-1095Title from title screen (viewed Sept. 11, 2009).Includes bibliographical references (page 35).U.S. Geological Survey open-file report ;2009-1095.MinersSearch and rescue operationsSongs and musicMine safetyEquipment and suppliesMinersSearch and rescue operationsMine safetyEquipment and supplies.Pratt Thomas L22957Geological Survey (U.S.)GPOGPOBOOK9910699106103321Finding trapped miners by using a prototype seismic recording system made from music-recording hardware3548710UNINA