TY - RPRT TI - Channel mapping river miles 29–62 of the Colorado River in Grand Canyon National Park, Arizona, May 2009 AU - Matt Kaplinski AU - Joseph E. Hazel AU - Paul E. Grams AU - Keith A. Kohl AU - Daniel D. Buscombe AU - Robert B. Tusso PY - 2017 DO - 10.3133/ofr20171030 UR - https://pubs.usgs.gov/publication/ofr20171030 ID - ofr20171030 ER -