@misc{indiciae0230da9d2fe2,
  title = {Magnetic map of the Wakefield NE Quadrangle, Gogebic County, Michigan},
  author = {William C. Prinz},
  year = {1975},
  doi = {10.3133/ofr75389},
  url = {https://pubs.usgs.gov/publication/ofr75389},
  note = {Source identifier: ofr75389}
}