@misc{indiciaeb8003ef440a3,
  title = {Geology of the Hot Springs quadrangle, Fall River and Custer Counties, South Dakota},
  author = {Don E. Wolcott},
  year = {1967},
  doi = {10.3133/b1063k},
  url = {https://pubs.usgs.gov/publication/b1063K},
  note = {Source identifier: b1063K}
}