Mining Publication: Methane Emission from U.S. Coal Mines in 1973, A Survey: A Supplement to IC 8558
Original creation date: January 1974
Authors: MC Irani, PW Jeran, M Deul
This Bureau of Mines survey of methane emissions indicates that total daily emissions have declined from 227 mm ft3 in 1971 to 214.7 mm ft3 in 1973. The highest average daily emissions in million cubic feet per day observed in U.S. bituminous coal mines were, in decreasing order, Monongalia County, West Virginia, 40.7; Marion County, West Virginia, 23.1; Buchanan County, Virginia, 22.1; Washington County, Pennsylvania, 12.4; Greene County, Pennsylvania, 11.7; McDowell County, West Virginia, 11.4; Cambria County, Pennsylvania, 9.8; Jefferson County, Alabama, 9.5; Wyoming County, West Virginia, 6.0; Marshall County, West Virginia, 4.8; and Indiana County, Pennsylvania, 4.8.
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