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

Coal-mine ventilation without doors to control main air currents

Airflow changes in multiple-fan systems

Published Year

• 1950-1959 (3) *

Subject

• Mine ventilation (2)
• Bituminous coal mines and mining. (1)
• Fans (Machinery) (1)
• Mine ventilation. (1)

Author

• Kingery, Donald S. (3) *
• Harris, E. J. (1)
• Kapsch, F. F. (1)

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