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Reducing Hazards in Underground Coal Mines Through the Recognition and Delineation of Coalbed Discontinuities Caused by Ancient Channel Processes

Coal mine bumps :five case studies in the eastern United States

Published Year

• 1980-1989 (2)

Subject

• Coal -- Geology -- Pennsylvania -- Armstrong County. (1)
• Coal -- Geology -- Pennsylvania -- Indiana County. (1)
• Coal mine accidents--United States (1)
• Coal mines and mining -- Pennsylvania -- Armstrong County -- Safety measures. (1)
• Coal mines and mining -- Pennsylvania -- Indiana County -- Safety measures. (1)
• River channels. (1)
• Rock bursts (1)

Author

• Kertis, Carla A. (2) *
• Campoli, A. A. (1) *
• Goode, Claude A. (1)

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