@misc{indiciae666cc1416e86,
  title = {Geology of the Jewel Cave SW Quadrangle, Custer County, South Dakota},
  author = {William A. Braddock},
  year = {1963},
  doi = {10.3133/b1063g},
  url = {https://pubs.usgs.gov/publication/b1063G},
  note = {Source identifier: b1063G}
}