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Sand filling in stopes

Safety organizations in Arizona copper mines

Mining practice at Morenci Branch, Phelps Dodge Corporation, Morenci, Ariz.

Mining methods and costs at the Magma Mine, Superior, Ariz.

Published Year

• 1920-1929 (4) *

Subject

• Copper mines and mining--Arizona (4) *
• Cooper mine accidents--Prevention (1)
• Mines and mineral resources--Arizona (1)

Author

• Gardner, E. D. (2)
• Mosier, McHenry. (1)
• Parker, Dorsey J., (1)
• Sherman, Gerald. (1)
• Snow, Fred W. (1)

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