Dry Colorado River Delta (IMAGE) U.S. National Science Foundation Caption A now dry Colorado River delta branches into the Baja/Sonoran Desert near the Sea of Cortez. Credit Pete McBride 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.