@misc{indiciae77d115bf1483,
  title = {Geologic map of the Gladiator Mine, Lake City, Colorado},
  author = {A. R. Kirk and Patty Billings and Dana Bove and R.F. Sanford},
  year = {1983},
  doi = {10.3133/ofr83704},
  url = {https://pubs.usgs.gov/publication/ofr83704},
  note = {Source identifier: ofr83704}
}