Thank you so much, Eric. Actually, going to Zion right after a snowstorm wasn't by design. It was the only time of the year both my wife and I have enough time off to travel a little distance. This time it happened to be right after a week of storms. Driving on icy roads wasn't much fun, but being in Zion was.
It's covered in a few books, and I'm not sure that I want to encourage people to go back up there. It's almost impossible to protect. I'd like to go back up and find a way to protect the critical stretch; what I used was a stump that would take about one fall.