@misc{indiciaeb59d1c747905,
  title = {Bedded Precambrian iron deposits of the Tobacco Root Mountains, southwestern Montana},
  author = {H. L. James},
  year = {1981},
  doi = {10.3133/pp1187},
  url = {https://pubs.usgs.gov/publication/pp1187},
  note = {Source identifier: pp1187}
}