Steve Schmidt (IMAGE) University of Colorado at Boulder Caption CU Boulder professor Steve Schmidt standing on a hill on the hike in to the Puca Glacier field sites, looking at the glacier. Mountain center left is Nevado Chumpi. Red color of the Puca Glacier's eastern moraine is conspicuous, even from a distance. Credit John Darcy / University of Colorado 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.