Located north of Thompson Springs, Utah is Sego Canyon, also known as Book Cliffs and Thompson Wash. This location provides not only a peek at prehistoric rock-art, but also the remains of the old coal town of Sego. Sego Canyon contains three culturally distinct styles of rock art: Fremont, Ute and Barrier-style.
Check out this outside link for more about this location: https://www.blm.gov/visit/search-details/257136/1