Review of Bureau of Mines coal program,1965

Author:	Spencer, John D.
Year:	1966
Document Type:	USBI
Issuing Agency:	U.S. Bureau of Mines,
SUDOC:	I 28.27:8309
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	8309
Subjects:	Coal mines and mining
	Coal preparation
Link:	https://hdl.handle.net/2027/mdp.39015078514281