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Strata interactions in multiple-seam mining--two case studies in Pennsylvania
Subsidence due to undermining of sloping terrain :a case study
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Published Year
1980-1989 (2) *
Subject
Mine subsidences--Pennsylvania (2) *
Coal mines and mining--Pennsylvania (1)
Ground control (Mining) (1)
Longwall mining--Pennsylvania (1)
Pillaring (Mining) (1)
Author
Adamek, Vladimir, (1)
Chekan, G. J. (1)
Galek, James A. (1)
Jeran, P. W. (1)
Matetic, Rudy J. (1)
