I had very reluctantly decided in Missoula to head south on Tuesday. Instead of going all the way up to Glacier National Park,which was the original plan. But there was little I could do at Glacier, aside from driving a small portion of Going to the Sun Road. The park had only begun to thaw enough to allow for hiking into its interior. It would be going north merely for the sake of going farther north, compelling enough reason for me. But to insure that my last four days wouldn't be defined mainly by driving, I decided to get a lot of it out of the way and go south beyond Salt Lake City, as far as nearby Heber City. As interstate experiences go, one could do so much worse than the corridor of I-15 heading south from Butte, through Idaho and into Utah. When I had come north a few days earlier I had hardly gotten the full effect of the landscape, obscured as it was by rain and grey skies. Heading south I had a fair day and ...