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

Keyword Search

Explosion-proof bulkheads :present practices

Methane accumulations in coal mine roof cavities

Published Year

• 1970-1979 (2) *

Subject

• Mine explosions (2) *
• Mine gases (2) *
• Coal mines and mining--Safety measures (1)
• Methane--Measurement (1)
• Mine safety (1)

Author

• Kissell, Fred N. (1)
• Mitchell, Donald W. (1)
• Thimons, Edward D., (1)
• Vinson, Robert P. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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