Setting up geophysical instrumentation (IMAGE) Geological Society of America Caption Matthias Leopold, Ethan Welty, and Mylène Jacquemart setting up geophysical instrumentation that can detect ice in the deposits of the Flat Creek glacier detachments. Wrangell-St. Elias National Park and Preserve. Credit Photo credit: Lia Lajoie. Usage Restrictions Photo credit: Lia Lajoie. 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.