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Investigation of longwall gateroad roof support characteristics at Powhatan No. 4 Mine :instrumentation plan

Kettlebottoms :their relation to mine roof and support

Geologic factors in coal mine roof stability :a progress report

Coal mine air tempering :effectiveness, design, and roof support

Coal mine roof instability :categories and causes

Published Year

• 1980-1989 (5) *

Subject

• Coal mines and mining--Safety measures (5) *
• Mine roof control (5) *
• Coal--Geology (2)
• Air conditioning (1)
• Caving mining--Safety measures (1)
• Gate roads (Mining) (1)
• Kettlebottoms (Mining) (1)
• Mine ventilation (1)
• Shale--Safety measures (1)

Author

• Moebs, Noel N. (2)
• Sames, Gary P. (2)
• Stateham, Raymond M. (2)
• Babich, D. R. (1)
• Chase, Frank E. (1)
• Chekan, G. J. (1)

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