@misc{indiciaedf39443880a5, title = {Stratigraphic sections of middle Jurassic San Rafael Group and related rocks from Slick Rock to Uravan in southwestern Colorado}, author = {Robert Brett O'Sullivan}, year = {1989}, doi = {10.3133/oc133}, url = {https://pubs.usgs.gov/publication/oc133}, note = {Source identifier: oc133} }