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

Keyword Search

Mineral resources of the Black Hills area, South Dakota and Wyoming,

Providing new sources of mineral supply

Published Year

• 1970-1979 (2) *

Subject

• Mines and mineral resources--South Dakota--Black Hills area (1)
• Mines and mineral resources--United States (1)
• Mines and mineral resources--Wyoming--Black Hills area (1)

Author

• Gries, John Paul, (2) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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