That is some great milage considering the conditions you were in.
I clicked on your map. and that brought back some memories of the area. we stayed in keystone two time a few years ago. it is off 70 at Dilion on Hwy 6.
that sure is apretty drive going from there down to Denver on the elevated portions of 70.
we had the 85 300D, and was still with the trap oxidizer, (Cali set up) and couldn`t hardly get out of it`s way at that high altitude. talk about a Dog

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the next year we went back we had that junk pulled off, and the car was like a rocket

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Charlie