@misc{indiciaed5bf9dfe41d4,
  title = {Geologic map of part of the Choteau 1 degree by 2 degrees Quadrangle, Lewis and Clark, Teton, Powell, Missoula, Lake, Flathead, and Cascade counties, Montana},
  author = {Melville Rhodes Mudge and Robert L. Earhart},
  year = {1978},
  doi = {10.3133/ofr78524},
  url = {https://pubs.usgs.gov/publication/ofr78524},
  note = {Source identifier: ofr78524}
}