@misc{indiciae93a229cc5adc,
  title = {Geology of the High Climb pegmatite, Custer County, South Dakota},
  author = {Douglas M. Sheridan},
  year = {1955},
  doi = {10.3133/b1015c},
  url = {https://pubs.usgs.gov/publication/b1015C},
  note = {Source identifier: b1015C}
}