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Hydraulic sandfill in deep metal mines,

Inverted pyramid-shaped plugs for closing abandoned mine shafts :Galena, KS, demonstration project

Blind pneumatic stowing in voids in abandoned mines

Published Year

• 1970-1979 (1)
• 1980-1989 (1)
• 1990-1999 (1)

Subject

• Mine filling (3) *
• Abandoned coal mines (1)
• Compressed air (1)
• Hydraulic filling (1)
• Mining engineering (1)

Author

• Boldt, C. M. K. (1)
• Corson, Donald R., (1)
• Dressel, W. M. (1)
• McNay, Lewis M. (1)
• Ruff, T. M. (1)
• Sands, Paul F. (1)
• Volosin, John S. (1)

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