The Great Mississippi River Greenway & Wildlife Corridor

I might be coining a term here: The Great Mississippi River Greenway and Wildlife Corridor

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There are municipal greenways on the Mississippi, research shows a few, around St. Louis, Minneapolis, and even Memphis, good natured nature projects by civic groups and governments that try to make the riverfront a common area for recreation, tourism, and nature,
http://www.planningdesignstudio.com/portfolio/greenways-trails/mississippi-river-greenway
http://www.stltoday.com/lifestyles/health-med-fit/fitness/trail-of-the-week-new-segment-of-mississippi-river-greenway/article_1c402714-4d12-5709-8b3e-c334621133c7.html
and there is even a National Trail of sorts:
http://www.mississippirivertrail.org/map.html

but its a driving route that links all the good spots.
I am unable to find any evidence that anyone has thought of the whole river, 'The Land Between the Levies', as what it has very well become, which is a sort of massive greenway and wildlife and nature corridor through the heart of the United States, accidental at that.

A Cougar Addendum: Self Reintroduction to Alaska

As we are learning, or perhaps you learned long ago, the story of the environment and man, and the idea of an ideal state of nature influenced or uninfluenced by man, is a bit of a complicated question.... there is not only science involved here but philosophy.. this is a short entry however, so I will try to cut to the chase..
The Cougar is introducing it's self, or reintroducing it's self, to Alaska..
Whether to chalk this up to Hope or Fear is a matter of question, but I'm going to toss it in the Hope category.
http://www.adfg.alaska.gov/index.cfm?adfg=wildlifenews.view_article&articles_id=26
Reason why it might belong in fear: Global warming might be making previously inhospitable territory hospitable, but I kind of don't buy that in this situation because the lands of South East Alaska, where they are most likely to live, haven't changed that much.. what a solid land it is... amongst the most beautiful places in the world I might add.. to see the Lynn Canal or perhaps gaze across Frederick Sound from Mitkoff Island with whales breaching is to behold something special.

Cougar, Puma, Mountain Lion, Catamount, Panther.. call it what you want, but they are at the Mississippi River and moving east!

Hard not to love a Mountain Lion.. for one, they eat people on occasion.. puts a little legitimate stress back in life.. something to worry about other than that text you haven't received yet..
The official line from various state agencies and the US Department of Interior is that they haven't moved east of the Mississippi River, with the exception of the isolated Florida Panther with one or two famous exceptions:
http://www.ct.gov/deep/lib/deep/press_releases/2011/2011-07-26_mtnlionpresentation.pdf
I have had friends knowledgeable about the outdoors give me pretty reliable stories of sightings in Vermont, South Carolina and Tennessee. Most recently I was told of game camera photos taken of them in North West Indiana. Maybe it's just young males looking for a good time, but they are in the east, have no doubt.