Cahokia stockade trench running through Mississippian house No. 4 - likely evidence of the imposition of elite directives on those with less status.

Fowler, M. L. 1997. The Cahokia Atlas: A Historical Atlas of Cahokia Archaeology. revised edition. University of Illinois, Urbana. Fig. 9.3, p.190

Image courtesy of the Board of Trustees of the University of Illinois and the Illinois Transportation Archaeological Research Program.