Helene above Lake (IMAGE) University of Wisconsin-Madison Caption In a scene dominated by volcanism and erosion, Hélène Le Mével (left) and a colleague set up a precision GPS station to measure altitude of a portion of the ancient shoreline of Laguna del Maule, Chile. Credit Brad Singer 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.