@misc{indiciaee9cbab2ee3ff,
  title = {Geologic setting of the Leadville mining district, Lake County, Colorado},
  author = {A. R. Wallace},
  year = {1993},
  doi = {10.3133/ofr93343},
  url = {https://pubs.usgs.gov/publication/ofr93343},
  note = {Source identifier: ofr93343}
}