Sounds pretty interesting. Kind of reminds me of Jeremiah Johnson, one of my favorite movies.
"The way that you wander
Is the way that you choose.
The day that you tarry
Is the day that you lose."
The Revenant looks faintly reminiscent of Safarian's Man In The Wilderness. Also based on true events.
There is a great book, Lord Grizzley, by Frederick Manfred that details the story of Hugh Glass’ ordeal and attempt to exact revenge upon his trailmates who abandoned him.
Available on Amazon for .99 cents and I guarantee you won’t find a better buy on the history of the American West.