Cover image for Coal mine health and safety. Hearing, Ninety-first Congress, first session ... Sept. 9, 1969.
Coal mine health and safety. Hearing, Ninety-first Congress, first session ... Sept. 9, 1969.
Title:
Coal mine health and safety. Hearing, Ninety-first Congress, first session ... Sept. 9, 1969.
Author:
United States. Congress. House. Committee on Education and Labor.
Publication Information:
Washington : U.S. Govt. Print. Off., 1969.
Physical Description:
iii, 100 pages : illustrations ; 24 cm
General Note:
Hearing on H.R. 4047, 4295, and 7976.
Language:
English
Format :
Book