@misc{indiciae543ef3e4ae25,
  title = {Geologic map of the Catskill NW quadrangle, New Mexico and Colorado},
  author = {C. L. Pillmore},
  year = {1966},
  doi = {10.3133/ofr66104},
  url = {https://pubs.usgs.gov/publication/ofr66104},
  note = {Source identifier: ofr66104}
}