@misc{indiciaea442a25f2eca,
  title = {The fort gouraud, Mauritania, iron ore deposits},
  author = {John Van N. Dorr},
  year = {1967},
  doi = {10.2113/gsecongeo.62.4.567},
  url = {https://pubs.usgs.gov/publication/70221305},
  note = {Source identifier: 70221305}
}