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

Keyword Search

Methane control on longwalls with cross-measure boreholes (Lower Kittanning Coalbed)

Published Year

• 1980-1989 (1)

Subject

• Boring (1) *
• Coalbed methane drainage--Pennsylvania--Cambria County (1)
• Longwall mining--Pennsylvania--Cambria County--Safety measures (1) *

Author

• Cervik, Joseph. (1)
• Garcia, F. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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