Graham Andrews, West Virginia University (IMAGE) West Virginia University Caption WVU's Graham Andrews' study of volcanic rocks in Namibia led to the discovery of drumlins, a type of hill often found in places once covered in glaciers. Credit WVU 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.