@misc{indiciae505de27f6f18,
  title = {Geologic map of the Pottsville quadrangle, northern Idaho},
  author = {R. E. Wallace},
  year = {1952},
  doi = {10.3133/ofr52162},
  url = {https://pubs.usgs.gov/publication/ofr52162},
  note = {Source identifier: ofr52162}
}