Investigation of Keystone and St. George copper-zinc deposits, Cochise County, Ariz.

Author: Romslo, T. M.
Year: 1949
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4504
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4504
Subjects: Copper ores--Arizona--Cochise County
Zinc ores--Arizona--Cochise County
Link: https://hdl.handle.net/2027/mdp.39015078495937

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