@misc{indiciaefcaec18f52c6,
  title = {Map showing locations of mines, prospects, and patented mining claims, and classification of mineral deposits in the Sundance West 7 1/2- minute quadrangle, Black Hills, Wyoming},
  author = {Ed DeWitt and D. P. Buscher and A.B. Wilson and T. Johnson},
  year = {1988},
  doi = {10.3133/mf1978a},
  url = {https://pubs.usgs.gov/publication/mf1978A},
  note = {Source identifier: mf1978A}
}