Dust events recorded in the snowpack (IMAGE) University of Utah Caption A snow pit on May 10, 2022. All of the previous dust events are preserved in layers in a snow pit that is maintained throughout the 2022 winter season at the Alta study plot. Credit Otto Lang Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.