@misc{indiciae8849454d8ed3,
  title = {Reconnaissance geologic map of parts of the Zapata Ranch and Mosca Pass quadrangles, Alamosa and Huerfano counties, Colorado},
  author = {R.M. Bruce and B. R. Johnson},
  year = {1991},
  doi = {10.3133/mf2168},
  url = {https://pubs.usgs.gov/publication/mf2168},
  note = {Source identifier: mf2168}
}