01606oam 2200409 a 450 991070056450332120110722095032.0(CKB)5470000002410351(OCoLC)742019567(EXLCZ)99547000000241035120110722d2011 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierRedesign of the emergency stop circuits on model BHAC Joy Mining Machinery (formerly Stamler Corporation) battery coal haulers[electronic resource][Arlington, Va.] :[U.S. Dept. of Labor, Mine Safety and Health Administration],[2011]1 online resource (2 pages, 2 unnumbered pages)Program information bulletin ;no. P11-01Title from title screen (viewed on July 19, 011)."Issue date 02/25/2011."Redesign of the emergency stop circuits on model BHAC Joy Mining Machinery Mine safetyUnited StatesCoal mines and miningUnited StatesMining machinerySafety measuresMine safetyCoal mines and miningMining machinerySafety measures.United States.Mine Safety and Health Administration.GPOGPOGPOBOOK9910700564503321Redesign of the emergency stop circuits on model BHAC Joy Mining Machinery (formerly Stamler Corporation) battery coal haulers3180173UNINA