@misc{indiciaeffac73e14a00,
  title = {Lode mines and prospects in the Fairbanks district, Alaska},
  author = {R. M. Chapman and R.L. Foster},
  year = {1969},
  doi = {10.3133/pp625d},
  url = {https://pubs.usgs.gov/publication/pp625D},
  note = {Source identifier: pp625D}
}