@misc{indiciaef66fb0c97865,
  title = {Geologic map of the Wilmont Creek quadrangle, Ferry and Stevens Counties, Washington},
  author = {George Earle Becraft},
  year = {1966},
  doi = {10.3133/gq538},
  url = {https://pubs.usgs.gov/publication/gq538},
  note = {Source identifier: gq538}
}