@misc{indiciaeb76d644aa824,
  title = {Coal deposits of the Costello Creek Basin, Alaska},
  author = {Clyde Wahrhaftig},
  year = {1944},
  doi = {10.3133/ofr4426},
  url = {https://pubs.usgs.gov/publication/ofr4426},
  note = {Source identifier: ofr4426}
}