@misc{indiciae0054bb52c5de,
  title = {Geology of the Basin quadrangle: Jefferson, Lewis and Clark, and Powell Counties, Montana},
  author = {Edward Thompson Ruppel},
  year = {1963},
  doi = {10.3133/b1151},
  url = {https://pubs.usgs.gov/publication/b1151},
  note = {Source identifier: b1151}
}