@misc{indiciae6923dde78f3c,
  title = {Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado},
  author = {Jack Edward Harrison and John David Wells},
  year = {1956},
  doi = {10.3133/b1032b},
  url = {https://pubs.usgs.gov/publication/b1032B},
  note = {Source identifier: b1032B}
}