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

Keyword Search

Copper milling research in Michigan

Published Year

• 1920-1929 (1) *

Subject

• Copper mines and mining (1)
• Copper mines and mining--Michigan (1) *
• Flotation (1)

Author

• Fahrenwald, A. W. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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