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Effects of horizontal stress related to stream valleys on the stability of coal mine openings

Published Year

• 1990-1999 (1)

Subject

• Coal mines and mining--Pennsylvania (1) *
• Coal mines and mining--West Virginia (1)
• Mine roof control (1)
• Rock bursts (1)
• Valleys (1)

Author

• Heasley, K. A. (1)
• Jones, J. R. (1)
• Molinda, G. M. (1) *
• Oyler, D. C. (1)

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