@misc{indiciae29980843a536,
  title = {The petroleum fields of the Pacific coast of Alaska, with an account of the Bering River coal deposits},
  author = {George Curtis Martin},
  year = {1905},
  doi = {10.3133/b250},
  url = {https://pubs.usgs.gov/publication/b250},
  note = {Source identifier: b250}
}