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Blind pneumatic stowing in voids in abandoned mines

Improved drilling of coal measure rocks for underground mine void detection and exploration programs

Published Year

• 1990-1999 (2) *

Subject

• Abandoned coal mines (2) *
• Coal-cutting bits (1)
• Compressed air (1)
• Mine filling (1)
• Mine surveying (1)
• Polyethylene oxide (1)

Author

• Boldt, C. M. K. (1)
• Pahlman, J. E. (1)
• Ruff, T. M. (1)
• Sands, Paul F. (1)
• Tuzinski, Patrick A. (1)
• Watson, Pamela J. (1)

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