Some suggestions on the safe handling of electric shovel trailing cables in open-pit mines

Author:	Crawford, F. S.
Year:	1936
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6922
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	6922
Subjects:	Coal mines and mining--Electric equipment
	Mine safety
	Mining machinery--Electric equipment
	Electric cables
Link:	https://hdl.handle.net/2027/mdp.39015077569039