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- Hazard prevention and control:
- Degasification
- Document types:
- Technical Progress Reports
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3/1/1969 - Technical Progress ReportsAn experimental degasification program using a vertical borehole and vacuum pump to drain gas from the gob area of a longwall panel was successful at Bethlehem Mines Corporation, Cambria Division, No. 33 coal mine. Sixty-one million cubic feet of methan...
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Content source: National Institute for Occupational Safety and Health, Mining Program