Ceramics (image) Washington University in St. Louis Share Print E-Mail Caption Examples of the kinds of pottery produced by people living across southern Appalachia between AD 800 and 1650. The unique symbols were stamped onto the pottery when the clay was still wet using carved wooden paddles. These designs, along with the varying characteristics of the specific kinds of clay used to produce the pottery, were used to reconstruct social networks among these communities. Credit Jacob Lulewicz Usage Restrictions None Share Print E-Mail 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.