View of the Ohio River from Lewis and Clark Park in Clarksville, Indiana.  The park is next to the Falls of the Ohio State Park with its lar...

Stigmaria ficoides? plant fossil found in Hazard, Kentucky. Fossil root of some sort of lycopsid tree. The plant grew in the Middle? Pen...

Wilkingia terminale pelecypod fossil found in Hazard, Kentucky.  This marine fossil was found in the Breathitt Group of the Pennsylvanian P...