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

Published Year

• 1990-1999 (1) *

Subject

• Coal mine waste--Pennsylvania--Ebensburg Region (1) *
• Ground control (Mining)--Pennsylvania--Ebensburg Region (1)
• Longwall mining--Pennsylvania--Ebensburg Region (1)

Author

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

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