@misc{indiciae2cbfaa8ba95c,
  title = {Stratigraphic sections from well logs and outcrops of Cretaceous and Paleocene rocks, northern Great Plains, North Dakota and South Dakota},
  author = {Dudley D. Rice},
  year = {1977},
  doi = {10.3133/oc72},
  url = {https://pubs.usgs.gov/publication/oc72},
  note = {Source identifier: oc72}
}