Missouri Valley Manganese Deposits, South Dakota.

Author:	Pesonen, Paul E.
Year:	1949
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:4428
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	4428
Subjects:	Manganese ores--South Dakota
	Manganese
Link:	https://hdl.handle.net/2027/mdp.39015078490920