@misc{indiciae31d332a02849,
  title = {A three-dimensional geologic framework model of the northern Great Plains region of Montana, North Dakota, South Dakota, and Wyoming, USA},
  author = {Leland R. Spangler},
  year = {2026},
  doi = {10.3133/sir20265127},
  url = {https://pubs.usgs.gov/publication/sir20265127},
  note = {Source identifier: sir20265127}
}