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

Keyword Search

Underground transportation of coal :progress report [No.] 2

Published Year

• 1940-1949 (1)

Subject

• Coal mines and mining--Equipment and supplies (1)
• Coal-handling machinery (1)
• Mine haulage (1) *

Author

• Jones, Frank A. (1)
• Thomas, Edward. (1) *
• Toenges, Albert L. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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