@misc{indiciae81d89a30a993,
  title = {Anticlines in a part of the Musselshell Valley, Musselshell, Meagher, and Sweet Grass Counties, Montana},
  author = {C. F. Bowen},
  year = {1919},
  doi = {10.3133/b691f},
  url = {https://pubs.usgs.gov/publication/b691F},
  note = {Source identifier: b691F}
}