If you are planning your own excursion, Down River Equipment provides gear and detailed navigational tools:
There are also several films with this title that might be what you're searching for: Down RiverHD
: They sell waterproof Guides and Maps for various rivers, including the Grand Canyon, Rogue River, and Upper Colorado. If you are planning your own excursion, Down
: Their site includes a Permit Season blog to help you navigate the lottery systems for rivers like the Yampa or Green River. Entertainment (Film) including the Grand Canyon