Accident experience and direct costs in some Colorado coal mines, 1929-33

Author:	Denny, Edward H.
Additional Authors:	Jennings, F. R.
Year:	1935
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6860
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	6860
Subjects:	Coal mines and mining--Colorado
	Mine accidents--Colorado
	Mine safety--Colorado
Link:	https://hdl.handle.net/2027/mdp.39015077568668