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

Author: Chekan, G. J.
Additional Authors: Babich, D. R.
Year: 1982
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:8628
Series: Report of investigations / Bureau of Mines ;
Report Number: 8628
Subjects: Mine roof control
Gate roads (Mining)
Caving mining--Safety measures
Coal mines and mining--Safety measures
Link: https://hdl.handle.net/2027/mdp.39015078472167

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