Niwot Ridge LTER site in Colorado (IMAGE) U.S. National Science Foundation Caption This image shows the tracking of high-elevation snowfall at the Niwot Ridge LTER site in Colorado. Credit NSF Niwot Ridge LTER Site 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.