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

Published Year

• 1980-1989 (1)

Subject

• Caving mining--Safety measures (1) *
• Coal mines and mining--Safety measures (1)
• Gate roads (Mining) (1)
• Mine roof control (1)

Author

• Babich, D. R. (1)
• Chekan, G. J. (1) *

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