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Safety in pneumatic drilling and related blasting operations. Opencut mine, Morenci Branch, Phelps Dodge Corp., Morenci, Ariz.,

Published Year

• 1950-1959 (1) *

Subject

• Mine safety--Arizona (1)
• Mineral industries--Safety measures (1) *

Author

• Look, Allen D. (1) *
• Rodriguez, Ernest R. (1)

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