01015nam a2200229Ia 450000100060000000300050000600500170001100800410002801000150006903500200008404000190010404300120012305000220013508200140015711001170017124502540028826000460054230000290058850000350061765000690065265000640072171650BIBL20160527195109.0780927s1977    dcua         f00000 eng    a 78602365   a(OCoLC)03894934  aDLCcDLCdm.c.  an-us---0 aKF27b.E348 1977c  a353.007/710aUnited StatesbCongress.bHouse.bCommittee on Education and Labor.bSubcommittee on Labor Standards.wdn2Local10aOversight hearings on the Coal mine health and safety act of 1969 (excluding title IV) ; hearings before the Subcommittee on Labor Standards of the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, first session ....0 aWashingtonbU.S. Govt. Print. Off.c1977.  aiv, 724 p.bill.c24 cm.  aHearings held June 7-29, 1977. 0aCoal mines and miningxSafety regulationszUnited States.2Local 0aMine sanitationxLaw and legislationzUnited States.2Local