@misc{indiciae68bf6d316629,
  title = {Vestigial zinc in surface residuum associated with primary zinc ore in East Tennessee},
  author = {Herbert Edwin Hawkes and Herbert Williams Lakin},
  year = {1949},
  doi = {10.2113/gsecongeo.44.4.286},
  url = {https://pubs.usgs.gov/publication/70215461},
  note = {Source identifier: 70215461}
}