00961nam a2200253Ia 4500 56685 BIBL 20160527190301.0 710902s1971 dcu 00000 eng 75613753 (OCoLC)00161170 DLC DLC n-us--- BDDF KF27.E343 1971c 344/.73/0465 Y 4.Ed8/1:C63/3/971 United States Congress. House. Committee on Education and Labor. General Subcommittee on Labor. 182913 Local To amend the Federal coal mine health and safety act of 1969. Hearings, Ninety-second Congress, first session [on] H.R. 5680 ... Washington U.S. Govt. Print. Off. 1971. iv, 341 p. 24 cm. Hearings held in Washington, D.C., Mar. 9-11, 1971 and in Hazard, Ky., Mar. 12-13, 1971. Coal mines and mining Safety regulations United States. 74557 Local 43285 43285 0 0 0 Y_4_000000000000000_ED8_1C63_3_971 0 cidoc 110484 7 7 5 2016-05-27 82053 0 Y 4.Ed8 /1:C63/3/971 mq82053 2016-05-27 00:00:00 r:56685 z:NCC:L 6