@misc{indiciae414c0fc2e807,
  title = {Mineral resources of Alaska, report on progress of investigations in 1917--Mining in the Fairbanks district},
  author = {Theodore Chapin},
  year = {1919},
  doi = {10.3133/b692f},
  url = {https://pubs.usgs.gov/publication/b692F},
  note = {Source identifier: b692F}
}