@misc{indiciaebd85b6085fea,
  title = {Geology and water resources of the Hibbing area, northeastern Minnesota},
  author = {Gerald F. Lindholm},
  year = {1968},
  doi = {10.3133/ha280},
  url = {https://pubs.usgs.gov/publication/ha280},
  note = {Source identifier: ha280}
}