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Total daily methane emission from U.S. bituminous coal mines in 1975 was 216.3 MMcfd. This is a decrease from 227.0 MMcfd in 1971 but an increase from 214.5 MMcfd in 1973. The methane emissions from coal mines with daily emission rates of at least 100,000 cfd have been tabulated according to states, counties, and coalbeds. Most of the methane emitted is from mines in the Appalachian states. West Virginia accounted for 44.6 percent of the total, followed by Pennsylvania with 19.9 percent, and Virginia with 10.2 percent. There were 30 counties in nine states with daily methane emissions of 1 MMcfd or more. These emitted 93 percent of the total methane. The highest emissions were from Monongalia County, W. Va. which accounted for 18.9 percent of the total. This was followed by Marion County, W. Va., with 9.6 percent; Buchanan County, Va., with 8.5 percent; Jefferson County, Ala. with 6.1 percent; and Washington County, Pa. with 5.9 percent. The Pittsburgh coalbed emitted 45.7 percent of the total methane. Next, the Pocahontas No. 3 coalbed emitted 12.9 percent of the total. Sixty mines with daily methane emissions of MMcfd or more are listed. Included in this compilation are the indentification and thickness of the coalbed, methane emission, coal production and ventilation rates, number of drifts, shafts, and slopes used for ventilation purposes, shaft depth, age of mine, and gas to coal ratio.