It is now being reported that he walked 16 miles not 10 miles. The car was not that close to Bear Lake Lodge. The car was close to 7 miles from Bear Lake Lodge. It was because of a mapping error.
Here is the link to the new article:
http://www.msnbc.msn.com/id/16107451/
That is some really serious hiking for someone in his condition and situation - just unbelievable.
Just saw your link, thanks. What a monumental walk that must have been. 16 miles, most of it in dense woods or heavy brush, is amazing any way you look at it.