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

Keyword Search

Method and cost of driving the Rock Creek Tunnel, Hecla Mining Co., Shoshone County, Idaho

Published Year

• 1940-1949 (1)

Subject

• Silver mines and mining--Idaho--Shoshone County (1) *
• Tunneling--Idaho--Shoshone County--Costs (1)
• Tunneling--Idaho--Shoshone County--Technique (1)

Author

• Butner, D. W. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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