@misc{indiciae385c5a5efcdc,
  title = {Geology of the Clark Fork quadrangle, Idaho-Montana},
  author = {Jack Edward Harrison and Daniel Alfred Jobin},
  year = {1963},
  doi = {10.3133/b1141k},
  url = {https://pubs.usgs.gov/publication/b1141K},
  note = {Source identifier: b1141K}
}