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

Keyword Search

Sealing a coal-mine passageway through a borehole :a progress report

Published Year

• 1960-1969 (1)

Subject

• Coal mines and mining (1) *

Author

• Mitchell, Donald W. (1)
• Murphy, Edwin M. (1) *
• Nagy, John. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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