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

Keyword Search

Liquid carbon dioxide used to extinguish a gob fire in a German coal mine

Studies of roof movement in coal mines.

Published Year

• 1930-1939 (2) *

Subject

• Carbon dioxide (1)
• Coal mines and mining--Germany (1)
• Coal mines and mining--Pennsylvania (1)
• Mine fires--Germany (1)
• Mine roof control (1)

Author

• Hartmann, Irving (2) *
• Greenwald, H. P. (1)
• Maize, E. R. (1)
• Rice, G. S. (1)
• Rice, George S. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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