Ball-mill grindability indexes of some American coals

Author:	Yancey, H. F.
Additional Authors:	Geer, M. R.
Year:	1938
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3409
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	3409
Subjects:	Coal
	Ore-dressing
	Coal--Indexes
	Ball mills
Links:	https://hdl.handle.net/2027/mdp.39015086556043
	no.3401-3420 1938