Washability examinations of Colorado coals

Author:	Deurbrouck, A. W.
Year:	1970
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
SUDOC:	I 28.23:7467
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7467
Subjects:	Coal washing
	Coal--Colorado
Link:	https://hdl.handle.net/2027/mdp.39015078533687