@misc{indiciaeebfd33016286,
  title = {Map showing mineralized areas and principal lode mines in southern Summit County, Colorado},
  author = {A.B. Wilson and E. J. LaRock},
  year = {1992},
  doi = {10.3133/mf2163},
  url = {https://pubs.usgs.gov/publication/mf2163},
  note = {Source identifier: mf2163}
}