@misc{indiciae1fb8a2853d01,
  title = {High-grade iron ore deposits of the Mesabi Range, Minnesota-product of a continental-scale proterozoic ground-water flow system},
  author = {G. B. Morey},
  year = {1999},
  doi = {10.2113/gsecongeo.94.1.133},
  url = {https://pubs.usgs.gov/publication/70022125},
  note = {Source identifier: 70022125}
}