@misc{indiciae93389a9fc40a,
  title = {Bedrock topography of the eastern and central Mesabi Range, northeastern Minnesota},
  author = {E.L. Oakes},
  year = {1964},
  doi = {10.3133/i389},
  url = {https://pubs.usgs.gov/publication/i389},
  note = {Source identifier: i389}
}