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Kettlebottoms :their relation to mine roof and support

Coal mine air tempering :effectiveness, design, and roof support

Published Year

• 1980-1989 (2)

Subject

• Coal mines and mining--Safety measures (2) *
• Mine roof control (2)
• Air conditioning (1)
• Kettlebottoms (Mining) (1)
• Mine ventilation (1)
• Shale--Safety measures (1)

Author

• Sames, Gary P. (2) *
• Chase, Frank E. (1)

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