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Safety practices in churn drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz.
Use of visual aids in the Morenci Branch safety program, Phelps Dodge Corp., Morenci, Ariz.
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Published Year
1950-1959 (2)
Subject
Copper mines and mining--Arizona (2) *
Employees--Training of--Audio-visual aids (1)
Mine safety (1)
Author
Look, Allen D. (2) *
Sharp, Alan A. (1)
Williams, M. L. (1)