@misc{indiciae981b6b965385,
  title = {Challenges facing the North American iron ore industry},
  author = {J.D. Jorgenson},
  year = {2006},
  doi = {10.3133/ofr20061061},
  url = {https://pubs.usgs.gov/publication/ofr20061061},
  note = {Source identifier: ofr20061061}
}