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A continuous-recording methanometer for exhaust fan monitoring

Selected geologic factors affecting mining of the Pittsburgh coalbed

Published Year

• 1970-1979 (2)

Subject

• Coal mines and mining--Pennsylvania (1)
• Coal mines and mining--West Virginia (1)
• Methane (1)
• Methane--Measurement (1)
• Mine ventilation (1)

Author

• Bench, B. M. (2) *
• Deul, Maurice. (1)
• Diamond, W. P. (1)
• Irani, M. C. (1)
• Jeran, P. W. (1)
• McCulloch, C. M. (1)
• Tall, A. (1)

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