GSA Special Paper 451 Cover (IMAGE) Geological Society of America Caption "Management and Restoration of Fluvial Systems with Broad Historical Changes and Human Impacts," edited by L. Allan James, Sara L. Rathburn, and G. Richard Whittecar. Credit Geological Society of America 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.