The unusually good safety record of a coal mine and of a coal-mine foreman

Author: Denny, E. H.
Year: 1929
Document Type: USBI
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6130
Series: Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number: 6130
Subject: Mine safety
Link: https://hdl.handle.net/2027/mdp.39015077570235

< New search