Injury experience in coal mining, 1955-56 :analysis of mine safety factors, related employment, and production data

Additional Authors:	Machisak, John C., Jones, Nina L., Rice, Dora D., Reid, Elizabeth J., Wrenn, Virgina E.
Year:	1956
Document Type:	USBI
Issuing Agency:	U.S. Govt. Print. Off.,
Series:	United States. Bureau of Mines. Information circular;
Report Number:	7976
Subjects:	Accidents
	Accident prevention
Link:	https://hdl.handle.net/2027/mdp.39015078461038