The main centers of ancient occupation in this area, so far as investigations now show, are Ashley and Dry Fork Valleys and the Brush Creek-Greendale region, near Vernal, Nine Mile (Minnie Maud Creek) Canyon, east of Price, and Hill Canyon, forty miles south of Ouray (including some sites on Willow Creek and along Green River). The investigations also further show that four somewhat successive people have occupied the region, as follows.
Proceedings of the Iowa Academy of Science
©1933 Iowa Academy of Science, Inc.
Reagan, Albert B.
"Archaeological Finds in Northeastern Utah,"
Proceedings of the Iowa Academy of Science, 40(1), 131-132.
Available at: https://scholarworks.uni.edu/pias/vol40/iss1/62