@misc{indiciae9ba17515d21f,
  title = {Geologic history of salt beds and related strata in the upper part of the Madison Group (Mississippian), Williston Basin, Montana and North Dakota},
  author = {William Jasper Sando},
  year = {1995},
  doi = {10.3133/b2112},
  url = {https://pubs.usgs.gov/publication/b2112},
  note = {Source identifier: b2112}
}