The Coliseum from above (IMAGE) University of Alaska Fairbanks Caption The Coliseum site is viewed from above. The once-horizontal rocks are now nearly vertical, exposing many hundreds of tracks on flatirons of resistant rock. The dimples on the rock faces are dinosaur tracks. Credit Photo by Patrick Druckenmiller Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.