Rock Type: Gray shale Formation: Allegheny Interval: 5-Block seam Age: Middle Pennsylvanian Period, approx. 303 million years. Location: Lincoln County, West Virginia; Copley Trace Surface Mine #2, located about 10 miles west of Atenville, West Virginia. Take Route 68 west for 3 miles, turn left on Route 68 / 1 (Francis Creek Road) and drive approximately 6 miles. Veer left up Kiah Creek, continue approx. 1.5 miles to Copley Trace. Take next right, proceed up ridge past Meeks Cemetary. Truck access only.