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Effect of changes of atmospheric pressure on gas emissions from worked-out areas in an Illinois coal mine

Coal-mine ventilation without doors to control main air currents

A Method for calculating mine ventilation pressure losses using computers and desk-top calculators :a supplement to Information circular 7809

Published Year

• 1950-1959 (2)
• 1970-1979 (1)

Subject

• Mine gases--Illinois (1)
• Mine ventilation (1)
• Mine ventilation--Measurement (1)

Author

• Harris, E. J. (3) *
• Dalzell, R. W. (1)
• Dornenburg, D. D. (1)
• Kingery, Donald S. (1)
• Kline, R. J. (1)
• Miller, E. J. (1)
• O'Connor, J. A. (1)

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