@misc{indiciaea3ec30a5675b,
  title = {Geology of the Barite Hill gold-silver deposit in the southern Carolina slate belt},
  author = {Sandra H. B. Clark and Karen J. Gray and Judith M. Back},
  year = {1999},
  doi = {10.2113/gsecongeo.94.8.1329},
  url = {https://pubs.usgs.gov/publication/70021015},
  note = {Source identifier: 70021015}
}