@misc{indiciae0632e564abba,
  title = {Geologic map of the Mellen Hill quadrangle, Rio Blanco and Moffat Counties, Colorado},
  author = {Henry L. Cullins},
  year = {1969},
  doi = {10.3133/gq835},
  url = {https://pubs.usgs.gov/publication/gq835},
  note = {Source identifier: gq835}
}