Magnetic roasting and leaching for upgrading Minnesota manganiferous iron ores

Author:	Jacobs, H. D.
Year:	1970
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:7411
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7411
Subjects:	Iron ores--Minnesota
	Ore-dressing
Link:	https://hdl.handle.net/2027/mdp.39015078533240