Safety in Utah coal mining as affected by haulage

Author:	Parker, Dorsey Julian,
Year:	1930
Document Type:	MAIN
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6242
Series:	Information circular / Bureau of Mines ;
Report Number:	6242
Subjects:	Coal mines and mining--Utah
	Mine safety--Utah
Link:	https://hdl.handle.net/2027/mdp.39015095083526