Concentration tests on the mangniferous iron ores of the Cuyuna district, Minnesota

Author:	DeVaney, F. D.
Additional Authors:	Clemmer, J. B.
Year:	1930
Document Type:	BMRA
Issuing Agency:	United States Bureau of Mines,
SUDOC:	C 22.12:3045
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3045
Subjects:	Iron ores--Testing
	Flotation
Link:	https://hdl.handle.net/2027/mdp.39015077566647