@misc{indiciaeb9cb9c2fcbf2,
  title = {Geochemical sampling at the Jones-Keystone Mine, Randolph County, North Carolina},
  author = {Arthur R. Kinkel},
  year = {1974},
  doi = {10.3133/ofr741058},
  url = {https://pubs.usgs.gov/publication/ofr741058},
  note = {Source identifier: ofr741058}
}