@misc{indiciae4b4211e55fc0,
  title = {The Canning River region, northern Alaska},
  author = {E. de K. Leffingwell},
  year = {1919},
  doi = {10.3133/pp109},
  url = {https://pubs.usgs.gov/publication/pp109},
  note = {Source identifier: pp109}
}