@misc{indiciae623ce6bd929a, title = {Surficial geologic map of the Vernal 1 degree x 2 degrees quadrangle, Colorado and Utah}, author = {Paul E. Carrara}, year = {1980}, doi = {10.3133/i1204}, url = {https://pubs.usgs.gov/publication/i1204}, note = {Source identifier: i1204} }