Logan Coalfieldとは 意味・読み方・使い方

The Logan Coalfield is a coalfield located in Logan County and Wyoming County, West Virginia, in the United States. It has been a large source of high-quality, high-volatile bituminous coal since the field was opened by the Chesapeake & Ohio Railway (C&O) in 1905. The railroad C&O maintained a rail yard at Peach Creek. Later the Virginian Railway built the "Gilbert Extension" which allowed the shipment of coal from western Wyoming County. Both steam coal and metallurgical coal have been extracted from such seams as the Cedar Grove, Eagle, Alma, and Winifrede.