To amend the Federal coal mine safety act.
Subtitle: 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. 4237 and various bills ... Hearings held in Washington, D.C., February 21 and 28, 1961
Publisher: U.S. Govt. Print. Off.
Published: 1961
Place of publication: Washington
Language: eng
Number of pages: 114
Subjects: Coal mines and mining -- Safety measures
Other titles: Federal coal mine safety act