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

Keyword Search

Timbering of Metal Mines

Published Year

• 1920-1929 (1)

Subject

• Mine timbering. (1)

Author

• Ageton, Richard V. (1) *
• Holbrook, Elmer Allen (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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