@misc{indiciae23cd94a1c8dc,
  title = {Lode mining in the Ketchikan region},
  author = {P. S. Smith},
  year = {1914},
  doi = {10.3133/b592b},
  url = {https://pubs.usgs.gov/publication/b592B},
  note = {Source identifier: b592B}
}