Mine safety (metallic and nonmetallic mines)
By: Hearings before a subcommittee of the Committee on Education and Labor, House of Representaties, Eighty-fifth Congress, first session, on H.R. 4111 [and other] bills relating to proposed legislation in regard to mine safety (metallic and nonmetallic mines) ...
Publisher: U.S. Govt. Print. Off.
Published: 1958
Place of publication: Washington
Language: eng
Number of pages: 106
Subjects: Mine safety.; Mine inspection.
Notes: Hearings held May 28-Aug. 15, 1957.