Columbia subject headings:
Indians of North America--Ohio--Antiquities.
Ohio--Antiquities.
Petroglyphs--Ohio.
Harvard subject headings:
Indians of North America--Ohio--Antiquities.
Ohio--Antiquities.
Petroglyphs--Ohio.
Princeton subject headings:
Indians of North America--Ohio--Antiquities.
Ohio--Antiquities.
Petroglyphs--Ohio.