@misc{indiciae5fe6e59c7b0c,
  title = {Geologic map of the Husum quadrangle, Washington},
  author = {R.A. Sheppard},
  year = {1964},
  doi = {10.3133/mf280},
  url = {https://pubs.usgs.gov/publication/mf280},
  note = {Source identifier: mf280}
}