@misc{indiciae8cdf03306d7a,
  title = {Iron-formation in South America},
  author = {John Van N. Dorr},
  year = {1973},
  doi = {10.2113/gsecongeo.68.7.1005},
  url = {https://pubs.usgs.gov/publication/70207350},
  note = {Source identifier: 70207350}
}