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Mining methods and practices at the Johnson Camp Copper-Zinc Mine, Coronado Copper & Zinc Co., Cochise County, Arizona.
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Published Year
1950-1959 (1)
Subject
Copper mines and mining--Arizona (1) *
Mines and mineral resources--Arizona (1)
Zinc mines and mining--Arizona (1)
Author
Hardwick, W. R. (1)
Sierakoski, Joe. (1) *
