TY - RPRT TI - Estimating the contribution of tributary sand inputs to controlled flood deposits for sandbar restoration using elemental tracers, Colorado River, Grand Canyon National Park, Arizona AU - Katherine A. Chapman AU - Rebecca J. Best AU - M. Elliot Smith AU - Erich R. Mueller AU - Paul E. Grams AU - Roderic A. Parnell PY - 2020 DO - 10.1130/b35642.1 UR - https://pubs.usgs.gov/publication/70216439 ID - 70216439 ER -