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

Keyword Search

Are new hazards being introduced in coal mines faster than existing hazards are eliminated

Humidity :a cyclic effect in coal mine roof stability

Published Year

• 1940-1949 (1)
• 1970-1979 (1)

Subject

• Coal mine accidents (2) *
• Coal mines and mining--Accidents (2) *
• Coal mines and mining--Safety measures (1)
• Humidity (1)
• Rock bursts (1)

Author

• Harrington, D. (1)
• Radcliffe, Daryl E., (1)
• Stateham, Raymond M. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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