Question: What type of site are both Cahokia and Emerald Mound and Village Site?
Sentence (from "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.
Relevant evidence: Yes