Coosa Map (IMAGE) Washington University in St. Louis Caption A map of the southern Appalachian region, with the archaeological sites used in this study indicated. The sites are spread across both eastern Tennessee and northern Georgia and date to the period between AD 800 and 1650. Credit Jacob Lulewicz Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.