The Grave Creek Mound in the Ohio River Valley in West Virginia is one of the largest conical-type burial mounds in the United States, now standing 62 feet (19 m) high and 240 feet (73 m)

The Adventures Of Chelle
The Grave Creek Mound in the Ohio River Valley in West Virginia is one of the largest conical-type burial mounds in the United States, now standing 62 feet (19 m) high and 240 feet (73 m)