The Tolu Site is a prehistoric archeological site of the Mississippian culture near the unincorporated community of Tolu, Crittenden County, Kentucky, United States. It was built and occupied between 1200 and 1450 CE. No carbon dating has been performed at the site, but analysis of pottery styles suggest its major habitation period was 1200 to 1300 CE. The site oriā¦The Tolu Site is a prehistoric archeological site of the Mississippian culture near the unincorporated community of Tolu, Crittenden County, Kentucky, United States. It was built and occupied between 1200 and 1450 CE. No carbon dating has been performed at the site, but analysis of pottery styles suggest its major habitation period was 1200 to 1300 CE. The site originally had three mounds, a burial mound, a substructure platform mound and one other of undetermined function. It was excavated in 1930 by W.S. Webb and William D. Funkhouser.