@misc{indiciae8b95e0bf4506,
  title = {A preliminary report on the geology and gold deposits of the Rochford District, Black Hills, South Dakota},
  author = {Richard W. Bayley},
  year = {1972},
  doi = {10.3133/b1332a},
  url = {https://pubs.usgs.gov/publication/b1332A},
  note = {Source identifier: b1332A}
}