@misc{indiciae4eaba6fe5ef3,
  title = {Coal resources of the Raton coal field, Colfax County, New Mexico},
  author = {Willis Thomas Lee},
  year = {1924},
  doi = {10.3133/b752},
  url = {https://pubs.usgs.gov/publication/b752},
  note = {Source identifier: b752}
}