@misc{indiciae677f745c3051,
  title = {Fluorspar deposits of the Jamestown district, Boulder County, Colorado},
  author = {E. N. Goddard},
  year = {1944},
  doi = {10.3133/ofr4456},
  url = {https://pubs.usgs.gov/publication/ofr4456},
  note = {Source identifier: ofr4456}
}