Face ventilation for oil shale mining

Additional Authors:	Thimons, Edward D., Agapito, Joseph F. T., Adam, Marvin E., Brechtel, Carl. E.
Year:	1986
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:9118
Series:	Information circular / Bureau of Mines ;
Report Number:	9118
Subjects:	Oil-shales
	Mine ventilation
Link:	https://hdl.handle.net/2027/mdp.39015078464792