Hi Joz, that was a track that was used to test ejection seats many years ago. A 2 mile track where they would shoot the seats off the end of the mesa. Would not want to have been a monkey back then. :)
Oh I did not realize you lived so close to Zion. You are in a fantastic location. Yes...ion that I think I may have been tempted to test out that strip on top of that mesa. But I realize it is importan...