TY - RPRT TI - 20,000 grain-size observations from the bed of the Colorado River, and implications for sediment transport through Grand Canyon AU - David M. Rubin AU - David J. Topping AU - Henry Chezar AU - Joseph E. Hazel AU - John C. Schmidt AU - Michael J. Breedlove AU - Theodore S. Melis AU - Paul E. Grams PY - 2010 UR - https://pubs.usgs.gov/publication/70156266 ID - 70156266 ER -