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

Keyword Search

Geologic structures in coal mine roof

Published Year

• 1980-1989 (1)

Subject

• Coal mines and mining--Appalachian Region--Safety measures (1) *
• Coal--Geology--Appalachian Region (1)
• Mine roof control (1) *
• Rock bursts (1)

Author

• Ellenberger, John L. (1)
• Moebs, Noel N. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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