Colorado River in Marble Canyon (IMAGE) University of Arizona Caption A late-afternoon view of the Colorado River in Marble Canyon looking upstream from the Navajo Bridge, near Lees Ferry, Arizona Credit Stewart Tomlinson/U.S. Geological Survey 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.