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

Keyword Search

Anthracite mechanical mining investigations :progress report 1 : preliminary underground tests of the Bureau of Mines scraper-shaker loading machine for driving gangways

Published Year

• 1940-1949 (1)

Subject

• Anthracite coal industry--Equipment and supplies (1)
• Coal-mining machinery (1) *
• Loaders (Machines)--Testing (1) *

Author

• Allan, Andrew, (1)
• Buch, John W. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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