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- Geographic regions:
- Oklahoma
- Document types:
- Reports of Investigations
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12/1/1983 - Reports of InvestigationsMajor problems facing the development of coal and gas resources of the Hartshorne Coalbeds include the complex distribution of minable and unminable coal, high methane content and bed pressure, faulting, variations in degree of dip, presence of natural ...
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1/1/1979 - Reports of InvestigationsThe Bureau of Mines developed data on the methane content of the Hartshorne coalbed, Haskell and Le Flore Counties, Oklahoma. The methane content is calculated to be between 1.1 and 1.5 trillion cubic feet. Methane increases with depth, but the rate of ...
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Content source: National Institute for Occupational Safety and Health, Mining Program