@misc{indiciae737b6d594547,
  title = {Geologic map of the Duffer Peak Quadrangle, Humboldt County, Nevada},
  author = {James G. Smith},
  year = {1973},
  doi = {10.3133/i606},
  url = {https://pubs.usgs.gov/publication/i606},
  note = {Source identifier: i606}
}