Shield Warrior Petroglyph (IMAGE) University of Colorado Denver Caption Petroglyph of two shield warriors appears high on a cliff on volcanic rock in the Galisteo Basin. Credit Photo credit: Shield Warrior 0087 by glyphwalker License: https://creativecommons.org/licenses/by-sa/2.0/legalcode Creative Commons license: https://creativecommons.org/licenses/by-sa/2.0/legalcode Usage Restrictions Include appropriate credit, provide a link to the license, and indicate if changes were made (none were made). 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.