Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Safety practices in churn drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz.

Published Year

• 1950-1959 (1)

Subject

• Copper mines and mining--Arizona (1) *
• Mine safety (1)

Author

• Look, Allen D. (1)
• Sharp, Alan A. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010