The National Safety Competition of 1961

Author:	Machisak, John C.
Additional Authors:	Wrenn, Virginia E., Elsner, Elizabeth K.
Year:	1963
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8152
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	8152
Subjects:	Mine safety
	Mine accidents--United States--Statistics
Link:	https://hdl.handle.net/2027/mdp.39015078457028