This is a fossilized stem of the tree Cordaites, representing the pattern of the inner pith cavity.
Rock Type: Siltstone
Interval: Stockton seam
Age: Middle Pennsylvanian Period, approx. 306 million years.
Location: Nicholas County, West Virginia; W & G surface mine, formerly
worked by Hobet Mining, about 10 miles north of Summersville on Old Route