Typical profiles of jar rims from the central Mississippi River valley showing the distinctiveness of those from the American Bottom, Common Field, and Southern Mississippian areas.

Milner, G.R. 1998. The Cahokia Chiefdom: The Archaeology of a Mississippian Society. Smithsonian Institution Press, Washington. Fig. 3.2; p.57

Image courtesy of Smithsonian Institution Press.