A Late Archaic Copper Artifact (IMAGE) Proceedings of the National Academy of Sciences Caption A Late Archaic copper artifact from a shell ring in coastal Georgia. Credit Image courtesy of the American Museum of Natural History 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.