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Strata interactions in multiple-seam mining--two case studies in Pennsylvania

Published Year

• 1980-1989 (1)

Subject

• Coal mines and mining--Pennsylvania (1) *
• Ground control (Mining) (1)
• Mine subsidences--Pennsylvania (1)
• Pillaring (Mining) (1)

Author

• Chekan, G. J. (1)
• Galek, James A. (1) *
• Matetic, Rudy J. (1)

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