just in case you want more info http://www.missouricanoe.org/river-maps/missouri.html
Also,there is an organized group of 30 or so canoeing/paddling the MO in MO in late July. I can't remember the group's name.
Paddler's Truck Rack
YakCatcher Rod Holder
Hardshell Kayak Sail Rigs
Sport Cases (Electronics)