@misc{indiciae22892debca6e,
  title = {A geologic reconnaissance of the Uinta Mountains, northern Utah, with special reference to phosphate},
  author = {A.R. Schultz},
  year = {1919},
  doi = {10.3133/b690c},
  url = {https://pubs.usgs.gov/publication/b690C},
  note = {Source identifier: b690C}
}