00944nam a2200265 4500007605888MiAaHDL20131017000000.0m d cr bn ---auaua960306s1969 xxua f000 0 eng d71604503(MiU)007605888sdr-nrlf.b129365014sdr-pst.a1511093(OCoLC)49877LIAS1907841PStWaOLNMiUKF27.E3 1969bY 4.Ed 8/1:C 63/4/969United States.Congress.House.Committee on Education and LaborCoal mine health and safety. :Hearing, Ninety-first Congress, first session ... Sept. 9, 1969.Washington :U.S. Govt. Print. Off.,1969.iii, 100 p. :illus. ;24 cm.Hearing on H.R. 4047, 4295, and 7976.Mode of access: Internet.Coal mines and miningSafety regulationsUnited States.0076058882013070120131017000000.020131017154321.02025-02-20T18:39:07ZSDR-MIU-UPDEX LIBRIS - ALEPHloader.pl-003-00020130701This record was modified while in the University of Michigan Aleph system for one of the following reasons: to resolve an incorrect bibliographically determined rights status, to include a new OCLC number, or to otherwise address or update incorrect or incomplete metadata.BKsdr-nrlf.b129365014uc1SDRNRLFuc1.$b654867UC.b129365014UCNRLF20250220googleuc1.$b6548671969pdbibUS fed docPSTPST20251016googlepst.0000159631301969pdbibUS fed doc