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

Keyword Search

Primary crushing :progress report no. 1

Primary crushing :progress report no. 2

Primary crushing :progress report no. 3

Primary crushing :summary of field tests

Published Year

• 1930-1939 (4) *

Subject

• Ore-dressing (3)
• Crushing machinery--Testing (1)
• Ore-dressing plants--Equipment and supplies (1)
• Quarries and quarrying (1)

Author

• Sheppard, Mark. (4) *
• Witherow, C. N. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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