Field Guide 47 Cover (IMAGE) Geological Society of America Caption This is a shaded relief map of Virginia and the surrounding region (map produced from 1-second National Elevation Data). Credit Credit: Christopher M. Bailey. Usage Restrictions Credit: Geological Society of America and Christopher M. Bailey. 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.