@misc{indiciae4ef7b203ec0b,
  title = {Underground geologic maps of the Golden Wonder Mine, Lake City, Hinsdale County, Colorado},
  author = {Patty Billings},
  year = {1983},
  doi = {10.3133/ofr83907},
  url = {https://pubs.usgs.gov/publication/ofr83907},
  note = {Source identifier: ofr83907}
}