@misc{indiciae2df5fcd28d9f,
  title = {Geochemistry of selected areas in the southern Black Hills, Fall River County, South Dakota},
  author = {Robert Sprague Jones},
  year = {1972},
  doi = {10.3133/ofr72200},
  url = {https://pubs.usgs.gov/publication/ofr72200},
  note = {Source identifier: ofr72200}
}