@misc{indiciae02c47d91af98,
  title = {Geologic map of the Bull Canyon quadrangle, Santa Fe County, New Mexico},
  author = {Ross B. Johnson},
  year = {1973},
  doi = {10.3133/gq1077},
  url = {https://pubs.usgs.gov/publication/gq1077},
  note = {Source identifier: gq1077}
}