@misc{indiciae89b63d08b4f9,
  title = {Geologic map and sections of the Crystal Quadrangle, San Juan and McKinley counties, New Mexico},
  author = {Virginia P. Byers},
  year = {1979},
  doi = {10.3133/ofr79599},
  url = {https://pubs.usgs.gov/publication/ofr79599},
  note = {Source identifier: ofr79599}
}