Colorado mine fatalities

Author:	Denny, E. H.
Additional Authors:	Owings, C. W., Harrington, Daniel J.
Year:	1929
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6177
Series:	Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number:	6177
Subjects:	Mine accidents--Colorado
	Mine safety--Colorado
Link:	https://hdl.handle.net/2027/mdp.39015077570342