Glen Canyon Dam (IMAGE) American Institute of Biological Sciences Caption A new study reveals how hydropeaking operations from Glen Canyon Dam (pictured) affects the health of the Colorado River in Grand Canyon. Credit US 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.