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

Keyword Search

Reducing Hazards in Underground Coal Mines Through the Recognition and Delineation of Coalbed Discontinuities Caused by Ancient Channel Processes

Coal mine bumps :five case studies in the eastern United States

Published Year

• 1980-1989 (2)

Subject

• Coal -- Geology -- Pennsylvania -- Armstrong County. (1)
• Coal -- Geology -- Pennsylvania -- Indiana County. (1)
• Coal mine accidents--United States (1)
• Coal mines and mining -- Pennsylvania -- Armstrong County -- Safety measures. (1)
• Coal mines and mining -- Pennsylvania -- Indiana County -- Safety measures. (1)
• River channels. (1)
• Rock bursts (1)

Author

• Kertis, Carla A. (2) *
• Campoli, A. A. (1)
• Goode, Claude A. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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