@misc{indiciae14c1e9f3b787,
  title = {Part 3— The La Ventana-Chacra Mesa coal field},
  author = {Carle Hamilton Dane},
  year = {1936},
  doi = {10.3133/b860c},
  url = {https://pubs.usgs.gov/publication/b860C},
  note = {Source identifier: b860C}
}