Grand Canyon and Colorado River (IMAGE) Geological Society of America Caption The raw satellite imagery shown in this image was obtained from NASA and/or the US Geological Survey. Post-processing and production by www.terraprints.com. See related article by Ivo Lucchitta and colleagues, http://dx.doi.org/10.1130/GES00861.1. Credit The raw satellite imagery shown in this image was obtained from NASA and/or the US Geological Survey. Post-processing and production by <a target="_blank" href="http://www.terraprints.com">www.terraprints.com</a>. 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.