@misc{indiciaed4e34d913097, title = {Stratigraphic sections of Middle Jurassic San Rafael Group and related rocks from Uravan to Telluride in southwestern Colorado}, author = {Robert Brett O'Sullivan}, year = {1986}, doi = {10.3133/oc127}, url = {https://pubs.usgs.gov/publication/oc127}, note = {Source identifier: oc127} }