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Methane accumulations from interrupted ventilation,with special reference to coal mines in Illinois and Indiana

Published Year

• 1910-1919 (1) *

Subject

• Coal mines and mining--Safety measures (1)
• Methane (1)
• Mine gases (1) *
• Mine ventilation (1)

Author

• Hamon, Robert J., (1) *
• Smith, Howard I. (1) *

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