Permissible mine equipment approved by the Bureau of Mines during 1959-60 :with appended lists of manufacturers of flame-resistant trailing cables and fire-resistant conveyor belts and holders of permits

Author:	Kearns, R. A.
Additional Authors:	Lee, F. R.
Year:	1961
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8070
Series:	Information circular / Bureau of Mines ;
Report Number:	8070
Subjects:	Mine safety
	Mining machinery
Link:	https://hdl.handle.net/2027/mdp.39015078464149