The National safety competition of 1932

Author:	Adams, William W.
Year:	1933
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.12:3219
Series:	Report of investigations / United States Department of Commerce, Bureau of Mines ;
Report Number:	3219
Subjects:	Coal mine accidents
	Mine safety
	Coal mines and mining--United States
Link:	https://hdl.handle.net/2027/mdp.39015077563263