Sato , T., M. Chan, and A. Ekdale. “Trace Fossils and Fluvial-Lacustrine Ichnofacies of the Eocene Uinta and Duchesne River Formations, Northern Uinta Basin, Utah”. Geology of the Intermountain West, Vol. 5, Sept. 2018, pp. 209-26, doi:10.31711/giw.v5.pp209-226.