01158nam 2200349 450 991070565340332120170516095552.0(CKB)5470000002451863(OCoLC)987301327(EXLCZ)99547000000245186320170516d2012 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierNew notification alternatives to comply with 30 C.F.R. ʹʹ 56/57.1000[Arlington, Va.] :[U.S. Department of Labor, Mine Safety and Health Administration],2012.1 online resource (4 pages)Program information bulletin ;no. P12-02"Issue date 02/07/2012."Mine safetyUnited StatesMine examinationUnited StatesMine safetyMine examinationUnited States.Mine Safety and Health Administration,GPOGPOBOOK9910705653403321New notification alternatives to comply with 30 C.F.R. ʹʹ 563342920UNINA