@misc{indiciaeeee1af29919c,
  title = {Preliminary Geologic Map of the Egnar quadrangle, Colorado},
  author = {Fred W. Cater},
  year = {1955},
  doi = {10.3133/mf26},
  url = {https://pubs.usgs.gov/publication/mf26},
  note = {Source identifier: mf26}
}