@misc{indiciae7d9e694922ca,
  title = {Some aspects of the origin of the Ironwood iron-formation of Michigan and Wisconsin},
  author = {N.K. Huber},
  year = {1959},
  doi = {10.2113/gsecongeo.54.1.82},
  url = {https://pubs.usgs.gov/publication/70206769},
  note = {Source identifier: 70206769}
}