Beneficiation of refractory clay

Author:	Powell, H. E.
Additional Authors:	Calhoun, W. A., Miller, C. K.
Year:	1962
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6142
Subjects:	Clay
	Beneficiation
Link:	https://hdl.handle.net/2027/mdp.39015078523738