@misc{indiciae3fde24b2e7d3,
  title = {Preliminary report on the geology and ore deposits of the Minturn quadrangle, Colorado},
  author = {T. S. Lovering and O.L. Tweto},
  year = {1944},
  doi = {10.3133/ofr4422},
  url = {https://pubs.usgs.gov/publication/ofr4422},
  note = {Source identifier: ofr4422}
}