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Geologic structures in coal mine roof

Published Year

• 1980-1989 (1)

Subject

• Coal mines and mining--Appalachian Region--Safety measures (1)
• Coal--Geology--Appalachian Region (1)
• Mine roof control (1)
• Rock bursts (1) *

Author

• Ellenberger, John L. (1)
• Moebs, Noel N. (1) *

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