The Contiguous US Stream Network (IMAGE) Michigan State University Caption The 1:100,000 NHDPlusV1 stream network over the conterminous US. The Mississippi basin is emphasized dark blue. The inserted box shows an example of complexity within stream networks, including braided streams. Credit Yin-Phan Tsang, Center for Systems Integration and Sustainability, Michigan State University Usage Restrictions With credit. 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.