@misc{indiciaeaf94f9c0d0e6,
  title = {Geologic map of the Scenic and parts of the Brennan Flat and Sheep Mountain Table quadrangles, Pennington and Shannon counties, South Dakota},
  author = {W. H. Raymond and R.U. King},
  year = {1974},
  doi = {10.3133/mf603},
  url = {https://pubs.usgs.gov/publication/mf603},
  note = {Source identifier: mf603}
}