Manganese investigations :ore-dressing studies of manganese ores.

Author:	Shelton, S. M.
Year:	1942
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3652
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3652
Subjects:	Ore-dressing
	Manganese ores--Arkansas--Batesville
Link:	https://hdl.handle.net/2027/mdp.39015078518233