Mine safety (metallic and nonmetallic mines)
By: Hearings before the Select Subcommittee on Labor of the Committee on Education and Labor, House of Representatives, Eighty-seventh Congress, first session, on H.R. 5435, and various bills in regard to mine safety (metallic and nonmetallic mines) Hearings held in Washington, D.C., July 10, 11, and 12, 1961.
Publisher: U.S. Govt. Print. Off.
Published: 1961
Place of publication: Washington
Language: eng
Number of pages: 336
Subjects: Mine safety; Mine inspection