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Electrical blasting at Miami Copper Co., Miami, Ariz.

Safety in milling :Magma Copper Co., Superior, Ariz.

Safety in hoisting at the United Verde Mine, Phelps Dodge Corp., Jerome, Ariz.

Published Year

• 1950-1959 (3) *

Subject

• Copper mines and mining--Arizona--Safety measures (1)
• Hoisting machinery (1)
• Mine safety--Arizona (1)
• Ore-dressing--Safety measures (1)

Author

• Look, Allen D. (3)
• Rodriguez, Ernest R. (3) *

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