@misc{indiciaed882dff1d992,
  title = {Geologic map of parts of the Cottonwood SW and Interior quadrangles, Jackson and Washabaugh Counties, South Dakota},
  author = {W. H. Raymond and R.U. King},
  year = {1974},
  doi = {10.3133/mf617},
  url = {https://pubs.usgs.gov/publication/mf617},
  note = {Source identifier: mf617}
}