@misc{indiciaed7ab2b51ec62,
  title = {Geologic map of the Madrid quadrangle, Santa Fe and Sandoval Counties, New Mexico},
  author = {George Odell Bachman},
  year = {1975},
  doi = {10.3133/gq1268},
  url = {https://pubs.usgs.gov/publication/gq1268},
  note = {Source identifier: gq1268}
}