Hey Tooele -
This video is pretty typical of the Book Cliffs. However, we spent only one evening and one morning there, just driving the road. You can expect to see a lot of bucks that are under the 150" mark. You will see a few that are about 160" and I'd say you could expect to see a couple that will be 180"+...
I have spent two summer trips out there for just a day or two, and in each of them our experience was like the video. I have spent only one rifle hunt there, but we saw exactly 1 buck that was an easy 190" buck, and 2 or 3 that were 160" (One of which my dad killed) and then a lot of bucks that were 140" to 150".
I think if I was able to spend more time there in the summer, I could locate a few bucks in the 180" range. But I want a hard-horned, big-bodied buck for my wall so I haven't put in for archery... For me it's rifle or nothing.
"Therefore, wo be unto him that is at ease in Zion!" 2 Ne. 28: 24