@misc{indiciae78201fa7a140,
  title = {Preliminary geologic map of part of the Rapid City West quadrangle, South Dakota},
  author = {John Mark Cattermole},
  year = {1965},
  doi = {10.3133/ofr6529},
  url = {https://pubs.usgs.gov/publication/ofr6529},
  note = {Source identifier: ofr6529}
}