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1/1/1986 - Information CircularsThis report presents a data base of gas content data. The data are presented in tabular form, by coalbed name and state. The components of the total gas content (lost, desorbed, and residual gas) are given. Location (state and county), sample depth, coa...
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1/1/1974 - Reports of InvestigationsMethane concentration peaks were measured at coal mine working faces during entry development. The statistical distribution of peaks was found to be normal or log normal depending on how well the methane was being mixed into the ventilation airstream.
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Content source: National Institute for Occupational Safety and Health, Mining Program