@misc{indiciaecb00f2c104a3,
  title = {Geology and ore deposits of the Iron River-Crystal Falls district, Iron County, Michigan},
  author = {Harold Lloyd James and C. E. Dutton and F.J. Pettijohn and K. L. Wier},
  year = {1968},
  doi = {10.3133/pp570},
  url = {https://pubs.usgs.gov/publication/pp570},
  note = {Source identifier: pp570}
}