The preserve's prime feature is the gorge that was formed by great volumes of glacial meltwater cutting down through the bedrock to expose Ordovician limestone and shale rich in fossils. The...

Fort Ancient features 18,000 feet of earthen walls built 2,000 years ago by American Indians who used the shoulder blades of deer, split elk antler, clam shell hoes ...

The Miamisburg Mound is the largest conical burial mound in the state of Ohio and possibly in the eastern U. S. Archaeological investigations of...