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

Keyword Search

Lead and zinc mining and milling in the United States :current practices and costs

Published Year

• 1930-1939 (1)

Subject

• Lead mines and mining--United States (1) *
• Ore-dressing (1)
• Zinc mines and mining--United States (1)

Author

• Jackson, Charles Freeman, (1)
• Knaebel, John Ballantine, (1)
• Wright, Chilton Austin, (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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