@misc{indiciae4ea9dc693b0a,
  title = {Reconnaissance in the Rio Grande coal fields of Texas},
  author = {Thomas Wayland Vaughan and Edwin Chesley Estes Lord},
  year = {1900},
  doi = {10.3133/b164},
  url = {https://pubs.usgs.gov/publication/b164},
  note = {Source identifier: b164}
}