@misc{indiciae8150137a4b9e,
  title = {Mining in southeastern Alaska. The Eagle River region},
  author = {Adolph Knopf},
  year = {1911},
  doi = {10.3133/b480d},
  url = {https://pubs.usgs.gov/publication/b480D},
  note = {Source identifier: b480D}
}