00889nam a2200229Ia 4500001000700000003000600007005001700013008004100030035002100071040001000092050002100102110006500123245004400188260008800232300002900320490007600349650005900425650003100484651002500515655002200540830009700562329041OCoLC20160527192738.0120402s1979    dcua     s   f000 0 eng d  a(OCoLC)782899463  aPUCPR00aTN 295b.U4 19771 aUnited StatesbMine Safety and Health Administration.2Local10aInjury experience in coal mining, 1977.  a[Washington, DC]bU.S. Dept. of Labor, Mine Safety and Health Administrationc1979.  aiv, 143 p.bill.c27 cm.1 aIts Information report - Mine Safety and Health AdministrationvIR 1108 0aCoal mine accidentszUnited StatesvStatistics.2Local 7aCoal mine accidents2Local 7aUnited States2Local 7aStatistics2Local 0aInformational report (United States. Mining Enforcement and Safety Administration)vIR 1108.