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

Keyword Search

Storage of explosives in underground mines of the Lake Superior District

Transportation of iron ore, underground mines, Lake Superior district

Conveyor systems in underground iron-ore mines, Lake Superior district

Published Year

• 1940-1949 (3) *

Subject

• Iron mines and mining--Michigan (3) *
• Iron mines and mining--Minnesota (3)
• Iron mines and mining--Wisconsin (2)
• Conveying machinery (1)
• Mine explosives (1)
• Mine haulage (1)

Author

• Cash, Frank E. (2)
• Binyon, Eugene O. (1)
• Johnson, John A. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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