@misc{indiciaea361d305e227,
  title = {A review of the geology and petroleum resource potential of the Montana thrust belt, with a section on geology of potential Mississippian reservoir rocks, Montana Disturbed Belt sector of the Montana thrust belt},
  author = {William J. Perry and K. M. Nichols},
  year = {1988},
  doi = {10.3133/ofr88450c},
  url = {https://pubs.usgs.gov/publication/ofr88450C},
  note = {Source identifier: ofr88450C}
}