State regulations pertaining to the use of internal combustion engines underground

Author:	Waytulonis, Robert W.
Year:	1981
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28:23:8845
Series:	Information circular / Bureau of Mines ;
Report Number:	8845
Subjects:	Internal combustion engines--Safety measures
	Mine safety--United States
Link:	https://hdl.handle.net/2027/mdp.39015078457366