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- Products and materials:
- Coal
- Document types:
- Technical Progress Reports
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3/1/1969 - Technical Progress ReportsThe Bureau of Mines has conducted desorption work on fine coal particles at near atmospheric pressure. An apparatus has been developed that uses a capacitance manometer to measure desorption of methane from coal particles up to 2 inches in diameter and ...
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3/1/1969 - Technical Progress ReportsThe Bureau of Mines conducted drilling studies in the Pocahontas No. 3, the Pittsburgh, and a western coalbed to establish the gas migration characteristics for each.
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Content source: National Institute for Occupational Safety and Health, Mining Program