@misc{indiciae238b1b08435d,
  title = {Preliminary geologic map of northern Alaska},
  author = {Helen M. Beikman and Ernest H. Lathram},
  year = {1976},
  doi = {10.3133/mf789},
  url = {https://pubs.usgs.gov/publication/mf789},
  note = {Source identifier: mf789}
}