@misc{indiciae82f47bea1fa1,
  title = {Geology and mineral deposits of the area south of Telluride, Colorado},
  author = {John Stewart Vhay},
  year = {1962},
  doi = {10.3133/b1112g},
  url = {https://pubs.usgs.gov/publication/b1112G},
  note = {Source identifier: b1112G}
}