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

Keyword Search

Churn-drill performance

Published Year

• 1940-1949 (1)

Subject

• Quarries and quarrying--Equipment and supplies--Testing (1)
• Rock-drills--Testing (1) *

Author

• Lintner, E. J. (1) *
• Thoenen, J. R. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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