@misc{indiciaeb93335da8bc8,
  title = {Preliminary geologic map of the Newcomb Quadrangle, San Juan County, New Mexico},
  author = {R. B. O'Sullivan and J.D. Strobell},
  year = {1988},
  doi = {10.3133/mf2040},
  url = {https://pubs.usgs.gov/publication/mf2040},
  note = {Source identifier: mf2040}
}