@misc{indiciae40b1a2b41360,
  title = {Stratigraphic cross section A-A' showing electric logs of Upper Cretaceous and older rocks, Powder River Basin, Big Horn and Powder River counties, Montana},
  author = {James E. Fox},
  year = {1986},
  doi = {10.3133/ofr86465a},
  url = {https://pubs.usgs.gov/publication/ofr86465A},
  note = {Source identifier: ofr86465A}
}