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

Keyword Search

Underground chute gates in metal mines

Gold Mining and Milling in the United States and Canada: Current Practices and Costs

Waste filling of stopes

Annual report of the Mining Division, fiscal year 1939

Published Year

• 1930-1939 (4) *

Subject

• Mineral industries--United States--Statistics (1)
• Mines and mineral resources--Equipment and supplies (1)
• Stoping (Mining) (1)

Author

• Jackson, Charles F. (4) *
• Knaebel, John B. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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