Rock Type: Sandy shale
Interval: Coalburg seam
Age: Middle Pennsylvanian Period, approx. 307 million years.
Location: Nicholas County, West Virginia; Ramp Run Surface
Mine #1, located about 12 miles north of Summersville, West Virginia.
Turn west off route 19 north of Summersville onto Spruce Run Road.
Follow it about 7 miles. Look for the Terry Eagle Coal Company
sign. It is now mostly reclaimed, but there is still some darn
good collecting along the exposed rock rip-rap outslope of the
sediment ditch along Buffalo Creek.