@misc{indiciae2ed7751f4181,
  title = {Subsurface stratigraphic analysis of Upper Cretaceous rocks, southeastern flank of the Williston Basin, North and South Dakota},
  author = {J. K. Baird and T. S. Dyman},
  year = {1993},
  doi = {10.3133/ofr93335},
  url = {https://pubs.usgs.gov/publication/ofr93335},
  note = {Source identifier: ofr93335}
}