Swim Tracks (image) University of California - Riverside Share Print E-Mail Caption Tracy J. Thomson stands next to a block with numerous swim tracks in Capitol Reef National Park, Utah. Credit Tracy Thomson. Usage Restrictions None Share Print E-Mail 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.