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

Keyword Search

Material handling devices for underground mines

Published Year

• 1980-1989 (1) *

Subject

• Coal mines and mining--United States--Safety measures (1) *
• Mining machinery--United States (1)

Author

• Conway, Ernest J. (1)
• Unger, Richard L. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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