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

Keyword Search

Geologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley

Published Year

• 1970-1979 (1)

Subject

• Coal mines and mining--Ohio River Valley Region (1) *
• Mining geology--Ohio River Valley Region (1)

Author

• Curth, Ernest A., (1) *
• Moebs, Noel N. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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