@misc{indiciae7cac58005ef4,
  title = {Geologic map of the Marshall Quadrangle, western Alaska},
  author = {J. M. Hoare and W. H. Condon},
  year = {1971},
  doi = {10.3133/i668},
  url = {https://pubs.usgs.gov/publication/i668},
  note = {Source identifier: i668}
}