@misc{indiciae1a804f061d47,
  title = {Thorium deposits in the Wet Mountain area, Fremont and Custer Counties, Colorado},
  author = {Theodore J. Armbrustmacher},
  year = {1976},
  doi = {10.3133/ofr76284},
  url = {https://pubs.usgs.gov/publication/ofr76284},
  note = {Source identifier: ofr76284}
}