What type of site are both Cahokia and Emerald Mound and Village Site?
Emerald Mound and Village Site: The Emerald Mound and Village Site (Emerald Site) is a pre-Columbian archaeological site located northwest of the junction of Emerald Mound Grange and Midgley Neiss Roads in St. Clair County, Illinois. Cahokia: The Cahokia Mounds State Historic Site (11 MS 2) is the site of a pre-Columbian Native American city ( 600–1400 CE) directly across the Mississippi River from modern St. Louis, Missouri.
pre-Columbian