@misc{indiciae0f7840c93a02,
  title = {Geologic summary and hydrocarbon plays, Williston Basin, Montana, North and South Dakota, and Sioux Arch, South Dakota and Nebraska, U.S.},
  author = {James A. Peterson},
  year = {1988},
  doi = {10.3133/ofr87450n},
  url = {https://pubs.usgs.gov/publication/ofr87450N},
  note = {Source identifier: ofr87450N}
}