Check out Face Book Groups "Mississippi River Paddlers" and "Lower Mississippi River Padders"...and JOIN....there are about half a dozen people doing the whole Miss right now....links to their blogs and websites there and ask them "live" from the river.
PS, ever consider doing North Americas longest river system? the Missouri??? Check out "missouri River Paddlers" group on facebook
2-3 Canoe/Kayak Trailer
Gedi Convertible Helmet