Banner Waller Creek coring (IMAGE) University of Texas at Austin Caption Professor Jay Banner collecting a wood core sample from a bald cypress tree along Waller Creek on the campus of The University of Texas at Austin. Graduate student Ari Brandt stands on the right with additional coring equipment. Credit The University of Texas at Austin Jackson School of Geosciences Usage Restrictions Credit image License Original 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.