After the tour of the cavern since we were in the “neighborhood”, we decided to visit Indian Grinding Rock State Park, home to the largest known Indian grinding rock.
The museum was closed, but we enjoyed walking the grounds along an interpretive trail.
A staple in the diet for our region’s Native American’s was the acorn. Acorns were ground into flower using a mortar and pestle out of these rocks. Here are a bunch of mortar holes…