@misc{indiciae28a0b76aca2b,
  title = {Geology and ore deposits of the Lawson-Dumont-Fall River district, Clear Creek County, Colorado},
  author = {C. C. Hawley and Frank R. Moore},
  year = {1967},
  doi = {10.3133/b1231},
  url = {https://pubs.usgs.gov/publication/b1231},
  note = {Source identifier: b1231}
}