@misc{indiciae2e7eefd86733,
  title = {Reconnaissance geologic map of the Horsefly Peak Quadrangle, Ouray, Montrose and San Miguel counties, Colorado},
  author = {W. J. Hail},
  year = {1988},
  doi = {10.3133/mf2059},
  url = {https://pubs.usgs.gov/publication/mf2059},
  note = {Source identifier: mf2059}
}