@misc{indiciae18f989b27dea,
  title = {Geologic map of parts of the Wall SE and Conata NE quadrangles, Pennington, Jackson, and Washabaugh counties, South Dakota},
  author = {W. H. Raymond and R.U. King},
  year = {1974},
  doi = {10.3133/mf616},
  url = {https://pubs.usgs.gov/publication/mf616},
  note = {Source identifier: mf616}
}