Extraction of manganese from Georgia umber ores by a sulfuric acid-ferrous sulfate process (in two parts).

Author:	LeVan, H. P.
Year:	1972
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
SUDOC:	I 28.23:7695
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7695
Subjects:	Leaching
	Umber ores--Georgia
	Manganese
Link:	https://hdl.handle.net/2027/mdp.39015078520247