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

Keyword Search

Investigation of longwall gateroad roof support characteristics at Powhatan No. 4 Mine :instrumentation plan

The Effects of a retreating longwall on a three-entry gate road system

Published Year

• 1980-1989 (2)

Subject

• Gate roads (Mining) (2) *
• Caving mining--Safety measures (1)
• Coal mines and mining--Safety measures (1)
• Longwall mining (1)
• Mine roof bolting (1)
• Mine roof control (1)
• Pillaring (Mining) (1)

Author

• Babich, D. R. (2) *
• Chekan, G. J. (2)
• Allwes, Richard A. (1)
• Listak, Jeffrey M. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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