Some suggestions on safety in coal-mine haulage

Author:	Herbert, Charles Arthur,
Year:	1937
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6969
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	6969
Subjects:	Mine safety
	Mine haulage
	Coal mine accidents
Link:	https://hdl.handle.net/2027/mdp.39015077569864