UWFPS Team (IMAGE) University of Utah Caption Utah Winter Fine Particulate Study 2017 participants with Twin Otter N48RF. Credit S. Brown, Utah Winter Fine Particulate Study (UWFPS) 2017. Usage Restrictions Credit as indicated. 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.