Ball State University archaeologists say a circular formation discovered in a wooded area next to a highway west of Muncie is likely built by prehistoric Indians.
Workers with the Delaware County Office of Geographic Information System found the earthen structure more than a year ago while studying contours on a large topographical map.
The circular formation on a wooded tract near Indiana 32 between Muncie and Yorktown was recently brought to the attention of the Indiana Department of Transportation, which plans to widen that segment of the highway to four or five lanes.
Ball State archaeologist Don Cochran says the 150-foot diameter circle was likely constructed by excavating a ditch around a space archaeologists call a central platform.
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