Semi-pilot-plant investigations of nitrogen dioxide process for beneficiation of manganese ores

Additional Authors:	Back, A. E., Chindgren, C. J., Kaufman, D., Tame, K. E., Fox, Arthur Lowell,
Year:	1945
Document Type:	USBM
Issuing Agency:	U.S. Govt. Print. Off., Bureau of Mines,
SUDOC:	I 28.7:674
Series:	Technical paper / United States. Bureau of Mines ;
Report Number:	674
Subjects:	Manganese ores
	Ore-dressing
Link:	https://hdl.handle.net/2027/mdp.39015078486043