@misc{indiciae8317688de25d,
  title = {Mining developments in the Matanuska coal fields. Lode developments in the Willow Creek district},
  author = {Theodore Chapin},
  year = {1921},
  doi = {10.3133/b714d},
  url = {https://pubs.usgs.gov/publication/b714D},
  note = {Source identifier: b714D}
}