@misc{indiciaeb2c5c28652d9,
  title = {Geology, of the High Climb Pegmatite, Custer County, South Dakota},
  author = {Douglas M. Sheridan},
  year = {1953},
  doi = {10.3133/tei231},
  url = {https://pubs.usgs.gov/publication/tei231},
  note = {Source identifier: tei231}
}