@misc{indiciaec8a163ec638a,
  title = {Preliminary geologic map of the Vernal 1° x 2° Quadrangle, Colorado, Utah, and Wyoming},
  author = {Peter D. Rowley and Ogden Tweto and Wallace R. Hansen},
  year = {1978},
  doi = {10.3133/ofr78573},
  url = {https://pubs.usgs.gov/publication/ofr78573},
  note = {Source identifier: ofr78573}
}