@misc{indiciae3f07f3695e7a,
  title = {A review of the geology and coal resources of the Bering River coal field, Alaska},
  author = {Farrell F. Barnes},
  year = {1951},
  doi = {10.3133/cir146},
  url = {https://pubs.usgs.gov/publication/cir146},
  note = {Source identifier: cir146}
}