@misc{indiciae867640779091,
  title = {Stratigraphic sections from well logs and outcrops of Cretaceous and Paleocene rocks, northern Great Plains, Montana},
  author = {Dudley D. Rice},
  year = {1976},
  doi = {10.3133/oc71},
  url = {https://pubs.usgs.gov/publication/oc71},
  note = {Source identifier: oc71}
}