@misc{indiciae19f5d354bb33,
  title = {Preliminary geologic and structure map of the east-central part of the Cascade Springs Quadrangle, Fall River County, South Dakota},
  author = {Edwin V. Post and Donald W. Lane},
  year = {1957},
  doi = {10.3133/tem1053},
  url = {https://pubs.usgs.gov/publication/tem1053},
  note = {Source identifier: tem1053}
}