The Canon City Royal Gorge tourist operation started a few years after UP "railbanked" (or idled) Tennessee Pass. The operated a few passengers trains over the 11-mile stretch between Canon City and Parkdale (and back).
Today, they actual own the rails for that 11-mile stretch (although UP still has trackage rights should the line ever reopen as a through route). You can definitely tell the (very classy) tourist outfit respects the history of the Royal Gorge in its paint scheme.
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