300+ Million Year Old Fossil Tracks Discovered in Grand Canyon – Interview with Dr. Steve Rowland

Welcome to podcast episode #154. In this episode Dinosaur George interviews Dr. Steve Rowland, Professor Emeritus of Geology from the University of Las Vegas, about his study and recent publication on the tracks that had eroded out of the wall of the Grand Canyon in Arizona. You can read his scientific paper here – https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0237636