Ice Core Drilling (IMAGE) University of Washington Caption This shows ice core drilling at Summit, Greenland, in June 2007. Credit Joel Savarino / Laboratory of Glaciology and Geophysics of the Environment (LGGE) Usage Restrictions With credit 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.