@misc{indiciaef2796360baeb,
  title = {Geology and ore deposits of the Tintic mining district, Utah},
  author = {Waldemar Lindgren and G. F. Loughlin and V. C. Heikes},
  year = {1919},
  doi = {10.3133/pp107},
  url = {https://pubs.usgs.gov/publication/pp107},
  note = {Source identifier: pp107}
}