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Ventilating Practices that Minimize Explosion Hazards in Bituminous-Coal Mines

Effectiveness of Bleeder Entries in Ventilating Pillared Areas of Bituminous-Coal Mines

Published Year

• 1950-1959 (2) *

Subject

• Mine ventilation. (2) *
• Bituminous coal mines and mining. (1)
• Coal mines and mining -- Safety measures. (1)
• Mine explosions. (1)

Author

• Ankeny, M. J. (1)
• Kingery, Donald S. (1)
• Westfield, James (1)

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