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Cutter roof failure :six case studies in the Northern Appalachian Coal Basin

Influence of subjacent gob on longwall development mining in the Upper Kittanning Coalbed of south-central Pennsylvania

Longwall retreat of gate road pillars

Published Year

• 1990-1999 (3) *

Subject

• Coal mine waste--Pennsylvania--Ebensburg Region (1)
• Coal mines and mining--Appalachian Region (1)
• Gate roads (Mining)--Pennsylvania (1)
• Ground control (Mining)--Pennsylvania (1)
• Ground control (Mining)--Pennsylvania--Ebensburg Region (1)
• Longwall mining--Pennsylvania (1)
• Longwall mining--Pennsylvania--Ebensburg Region (1)
• Mine roof control (1)
• Pillaring (Mining) (1)

Author

• Bauer, Eric R. (3) *
• Chekan, G. J. (1)
• Listak, Jeffrey M. (1)
• Sames, Gary P. (1)

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