TY - RPRT TI - Update on Regulation of Sand Transport in the Colorado River by Changes in the Surface Grain Size of Eddy Sandbars over Multiyear Timescales AU - David J. Topping AU - David M. Rubin AU - John C. Schmidt PY - 2008 DO - 10.3133/sir20085042 UR - https://pubs.usgs.gov/publication/sir20085042 ID - sir20085042 ER -