@misc{indiciae01254dd6ae4e,
  title = {Evolution of thought on ore controls in east Tennessee},
  author = {Robert A. Laurence},
  year = {1971},
  doi = {10.2113/gsecongeo.66.5.696},
  url = {https://pubs.usgs.gov/publication/70227138},
  note = {Source identifier: 70227138}
}