3-D Visualization of Mt Isto (IMAGE) European Geosciences Union Caption Mt Isto, the tallest peak in the US Arctic, shown as a 3-D visualization of fodar data. Yellow dots indicate position of some of the ground control GPS data collected during the climbing expedition. Closely spaced points are on the climb up, widely spaced points are on the ski down. Credit Nolan & DesLauriers, The Cryosphere, 2016/Fairbanks Fodar Usage Restrictions Licence: This image, published in a The Cryosphere paper, is licensed under a Creative Commons Attribution 3.0 Licence. 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.