Injury experience in coal mining, 1953-54 :analysis of mine safety factors, related employment, and production data

Additional Authors:	Wrenn, Virginia E., Machisak, John C., Jones, Nina L., Reid, Elizabeth J.
Year:	1958
Document Type:	USBI
Issuing Agency:	U.S. Gov. Printing Office,
Series:	Information circular / United State Department of the Interior. Bureau of Mines ;
Report Number:	7859
Link:	https://hdl.handle.net/2027/mdp.39015078454058