@misc{indiciae09151122efbb,
  title = {Geologic map of the Thoreau NE quadrangle, McKinley County, New Mexico},
  author = {Morris W. Green and Charles T. Pierson},
  year = {1970},
  doi = {10.3133/ofr70140},
  url = {https://pubs.usgs.gov/publication/ofr70140},
  note = {Source identifier: ofr70140}
}