@misc{indiciaef6ab5693f4a2,
  title = {Map of Alaska showing known gold-bearing rocks with descriptive text containing sketches of the geography, geology, and gold deposits and routes to the gold fields.},
  author = {Samuel Franklin Emmons},
  year = {1898},
  doi = {10.3133/70037890},
  url = {https://pubs.usgs.gov/publication/70037890},
  note = {Source identifier: 70037890}
}