@misc{indiciae8a3d5367a0cf,
  title = {Preliminary geologic map of the Togo Mountain Quadrangle, Ferry County, Washington},
  author = {Robert Carl Pearson},
  year = {1977},
  doi = {10.3133/ofr77371},
  url = {https://pubs.usgs.gov/publication/ofr77371},
  note = {Source identifier: ofr77371}
}