@misc{indiciae5bcdf1edd01c,
  title = {Geologic map of the Apache Springs quadrangle, San Miguel County, New Mexico},
  author = {Robert Britten Johnson},
  year = {1974},
  doi = {10.3133/gq1163},
  url = {https://pubs.usgs.gov/publication/gq1163},
  note = {Source identifier: gq1163}
}