Metallurgical investigations of the recovery of zinc and iron sulfides from the Gray zinc-iron deposit, Galena, Ill.

Author:	Kenworthy, H.
Year:	1949
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:4442
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	4442
Subjects:	Ore-dressing
	Zinc ores--Illinois--Jo Daviess County
	Iron ores--Illinois--Jo Daviess County
Link:	https://hdl.handle.net/2027/mdp.39015078490961