Coring in Laguna Ek'Naab (IMAGE) University of California - Berkeley Caption UC Berkeley's David Wahl and Lysanna Anderson of USGS with a local assistant taking a sediment sample from the center of Lake Ek'Naab from an inflatable platform. All the equipment had to be carried 2 kilometers down a steep jungle trail to the lake. Credit Francisco Estrada-Belli, Tulane 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.