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Factors affecting strength and stability of wood cribbing :height, configuration, and horizontal displacement
Practical considerations in longwall face and gate road support selection and utilization
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Published Year
1980-1989 (2) *
Subject
Mine roof control (2)
Gate roads (Mining) (1)
Longwall mining--Safety measures (1)
Mine timbering (1)
Author
Barczak, Thomas M. (2)
Tasillo, Carol L. (2) *
Schwemmer, David E. (1)