@misc{indiciae6d47ff894f91,
  title = {Relations of late Paleozoic and early Mesozoic formations of southwestern Montana and adjacent parts of Wyoming},
  author = {D. Dale Condit},
  year = {1919},
  doi = {10.3133/pp120f},
  url = {https://pubs.usgs.gov/publication/pp120F},
  note = {Source identifier: pp120F}
}