@misc{indiciae905225ba5340,
  title = {Character and regional significance of Great Falls tectonic zone, east-central Idaho and west-central Montana},
  author = {J. Michael O’Neill and David A. Lopez},
  year = {1985},
  doi = {10.1306/ad462506-16f7-11d7-8645000102c1865d},
  url = {https://pubs.usgs.gov/publication/70013055},
  note = {Source identifier: 70013055}
}