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

Keyword Search

Strategic minerals investigations :procedure followed by the Bureau of Mines

Published Year

• 1930-1939 (1)

Subject

• Mineral industries (1) *
• Mines and mineral resources (1)
• Mining engineering (1)

Author

• Finch, John Wellington, (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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