Cover image for Coal mine health and safety. Hearings, Ninety-first Congress, first session.
Coal mine health and safety. Hearings, Ninety-first Congress, first session.
Title:
Coal mine health and safety. Hearings, Ninety-first Congress, first session.
Author:
United States. Congress. House. Committee on Education and Labor. General Subcommittee on Labor.
Publication Information:
Washington : U.S. Govt. Print. Off., 1969.
Physical Description:
vi, 658 pages : illustrations ; 24 cm
General Note:
Hearings held Mar. 4-May 1, 1969, on H.R. 4047, 4295, and 7976.
Language:
English
Format :
Book