00845nam a2200241Ia 4500 56747 BIBL 20160527190308.0 700112s1969 dcua 00000 eng 71604503 (OCoLC)00049877 DLC DLC OCL m.c. m/c BDDF KF27.E3 1969b 622/.33/5 Y 4.Ed 8/1:C 63/4/969 United States Congress. House. Committee on Education and Labor. dn 182913 Local Coal 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. Coal mines and mining Safety regulations United States. 74557 Local 43344 43344 0 0 0 Y_4_000000000000000_ED_8_1C_63_4_969 0 cidoc 110880 7 7 5 2016-05-27 82128 0 Y 4.Ed 8 /1:C 63/4/969 mq82128 2016-05-27 00:00:00 r:56747 z:NCC:L 6