Arizona manganese-silver ores

Author:	Romslo, T. M.
Additional Authors:	Ravitz, S. F.
Year:	1947
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:4097
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	4097
Subjects:	Silver mines and mining--Arizona
	Manganese--Metallurgy
	Manganese ores--Arizona
Link:	https://hdl.handle.net/2027/mdp.39015078495648