@misc{indiciaec0922f02e46b,
  title = {Mineral resources of Alaska: Report on progress of investigations in 1923},
  author = {Alfred H. Brooks},
  year = {1925},
  doi = {10.3133/b773},
  url = {https://pubs.usgs.gov/publication/b773},
  note = {Source identifier: b773}
}