@misc{indiciae2274eeffde63,
  title = {Preliminary geologic map of the Hunters quadrangle, Stevens and Ferry Counties, Washington},
  author = {A.B. Campbell and O. B. Raup},
  year = {1964},
  doi = {10.3133/mf276},
  url = {https://pubs.usgs.gov/publication/mf276},
  note = {Source identifier: mf276}
}