About:Pittsburgh Coalfield

The Pittsburgh Coalfield (Pittsburgh Coal Region) is the largest of the Western Pennsylvania coalfields. It includes all or part of Allegheny, Fayette, Greene, Washington, and Westmoreland Counties in Pennsylvania. Coal has been mined in Pittsburgh since the 18th century. U.S. Steel and Bethlehem Steel owned Karen, Maple Creek, and Ellsworth mines. It is not possible to define sharp geographical boundaries for this district for none such exist or are reported differently. The largest company in this field was the Pittsburgh Coal Company, which later became CONSOL Energy. It is bordered on the west by the state of West Virginia, on the south by Panhandle Coalfield and , on the East by , on the North by the and at least one other coalfield. The Darr Mine Disaster occurred in this coalfield