@misc{indiciae9b9efc026119,
  title = {The 21 and 27 fluorspar mines, Zuni Mountains, Valencia County, New Mexico},
  author = {E. N. Goddard},
  year = {1945},
  doi = {10.3133/ofr453},
  url = {https://pubs.usgs.gov/publication/ofr453},
  note = {Source identifier: ofr453}
}