Battle Mound Site3LA1 - Credit: Wikimedia Commons
The Battle Mound Site (3LA1) is an archaeological site in Lafayette County, Arkansas in the Great Bend region of the Red River basin. The majority of the mound was built from 1200 to 1400 CE. The site has the largest mound of the Caddoan Mississippian culture (a regional variation of the Mississippian culture). It measures approximately in length, wide, and in height. Read more on Wikipedia
Source: en.wikipedia.org