@misc{indiciae0f6e8ca76f61,
  title = {Geologic map of Chaco Canyon 30' x 60' quadrangle, showing coal zones of Fruitland Formation, San Juan, Rio Arriba, and Sandoval Counties, New Mexico},
  author = {James W. Mytton},
  year = {1983},
  doi = {10.3133/coal92a},
  url = {https://pubs.usgs.gov/publication/coal92A},
  note = {Source identifier: coal92A}
}