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Use of steel sets in underground coal
Roof truss contact forces
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Published Year
1980-1989 (2) *
Subject
Ground control (Mining) (1)
Mine roof control (1)
Mine timbering (1)
Roof trusses (1)
Author
Serbousek, M. O. (2)
Stears, J. H. (2) *
Hay, K. E. (1)