@misc{indiciaeb941c55b536c,
  title = {The North American iron ore industry: A decade into the 21st century},
  author = {John D. Jorgenson and Andres Perez-Parada},
  year = {2011},
  url = {https://pubs.usgs.gov/publication/70158978},
  note = {Source identifier: 70158978}
}