@misc{indiciae27e72b9ed79b,
  title = {Preliminary geologic map of the Pillar NW Quadrangle, San Juan County, New Mexico},
  author = {G. R. Scott and R. B. O'Sullivan and J.S. Heller},
  year = {1979},
  doi = {10.3133/mf1077},
  url = {https://pubs.usgs.gov/publication/mf1077},
  note = {Source identifier: mf1077}
}