@misc{indiciae7caf611c4e0b,
  title = {Geologic map of the Copper Canyon area, Battle Mountain mining district, Lander County, Nevada},
  author = {T. G. Theodore},
  year = {1971},
  doi = {10.3133/ofr71282},
  url = {https://pubs.usgs.gov/publication/ofr71282},
  note = {Source identifier: ofr71282}
}