@misc{indiciae7162a033118c,
  title = {Geologic map of the eastern Gogebic iron range, Gogebic County, Michigan},
  author = {J. S. Klasner and G.L. LaBerge and W.F. Cannon},
  year = {1998},
  doi = {10.3133/i2606},
  url = {https://pubs.usgs.gov/publication/i2606},
  note = {Source identifier: i2606}
}