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- Products and materials:
- Methane
- Document types:
- Reports of Investigations
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Results 61 - 62 of 62
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1/1/1963 - Reports of InvestigationsTests were conducted in the Pocahontas No. 4 coalbed in southern West Virginia to determine if successful degasification techniques, developed during an earlier study in the Pittsburgh coalbed, would effectively remove methane from those usually more ga...
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1/1/1962 - Reports of InvestigationsA joint investigation by the Bureau of Mines and the Christopher Coal Co. at the Humphrey No. 7 mine, operating in the Pittsburgh coalbed in northern West Virginia, was undertaken to gain more insight concerning the hazardous emission of methane gas in ...
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Content source: National Institute for Occupational Safety and Health, Mining Program