Pottery from the Cahokia site was especially fine, exhibiting smooth surfaces, very thin walls, and distinctive tempering, slips and coloring.
This plaza and its twenty associated mounds are the second largest such grouping at the Cahokia site, after the Grand Plaza area which includes Monks Mound.
Other examples of avian related ceremonialism at the overall Cahokia site include two engraved stone tables with birdmen on them and the elite burial found under Mound 72.
This temporal placement helps provide a better understanding for the chronological development of the Cahokia site and complex society during this time.
The eight plates are made in the Late Braden style associated with the Cahokia site in western Illinois, the major center of Mississippian culture.
Plaquemine culture was contemporaneous with the Middle Mississippian culture at the Cahokia site near St. Louis, Missouri.
Moorehead worked at the Cahokia site between 1921-1927.
He was instrumental in getting the State of Illinois to buy a portion of the Cahokia site in order to create a state park.
An example of a temple mound is Monks Mound located at the Cahokia site in Collinsville Illinois.
Mound 72 is a ridgetop mound, one of only six recorded at the Cahokia site.