Drone acquired images of site. (IMAGE) Dartmouth College Caption Left: Drone-acquired orthoimage of the site showing major features discussed in the paper. Right: Thermal images mosaic collected from 11:15 pm-12:15 am. (Images from Figure 6 of the study). Credit Images by Jesse Casana, Elise Jakoby Laugier, and Austin Chad Hill. 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.