@misc{indiciae8b8731cf2b91,
  title = {Preface. Administrative report. The Alaskan mining industry in 1914. The future of gold placer mining in Alaska},
  author = {A. H. Brooks},
  year = {1915},
  doi = {10.3133/b622a},
  url = {https://pubs.usgs.gov/publication/b622A},
  note = {Source identifier: b622A}
}