In the Middle Woodland Period when the Beaker People had merged with the Hopewell Sioux, there was a change in the size of the Sun Temples or
A group of four
The Dunlap Works in Chillicothe, Ohio also had a circle that was 250 feet in circumference.
To the northwest of Mound City in Chillicothe, Ohio was another Sun Temple (
At the New Castle
This serpentine work that was located at the bottom of Spruce Hill was also constructed of stone. While the size of the Sun Temples increased from 210 to 250 feet in diameter, the serpent symbolism remained intact.