It is the largest Middle Woodland period site in the state, covering 30,000 square feet (2,800 m2), with layers suggestive of repeated occupation.
[3] It is one of the oldest sites in the state exhibiting evidence of pottery manufacture.
The culture, known as the Valley Variant or Valley Focus, was active roughly between CE 1 and 500;[4] this site is considered to be the type site for the culture.
[5] The site was first excavated in the 1930s under the auspices of the Nebraska State Historical Society, and with funding from the Works Progress Administration, and was instrumental in identifying the Valley Focus, the first cultural taxon to be identified n the prehistory of the region.
The reconstructed pots range in size from 2.4 to 17.5 inches (6.1 to 44.5 cm) in height, with cord markings.