@misc{indiciaef1ac8144d1ad,
  title = {Geologic map of the Silver Cloud mine, Elko County, Nevada},
  author = {John M. Nelson and Doak C. Cox},
  year = {1966},
  doi = {10.3133/ofr6692},
  url = {https://pubs.usgs.gov/publication/ofr6692},
  note = {Source identifier: ofr6692}
}