@misc{indiciae65297365928c,
  title = {Geologic map of the Wall SW and parts of the Wall and Conata quadrangles, Pennington, Shannon, and Washabaugh counties, South Dakota},
  author = {W. H. Raymond and R.U. King},
  year = {1974},
  doi = {10.3133/mf615},
  url = {https://pubs.usgs.gov/publication/mf615},
  note = {Source identifier: mf615}
}