@misc{indiciaec0896b8c9c69,
  title = {Aeromagnetic map of part of eastern Baraga County, Michigan},
  author = {James R. Balsley and Joseph L. Vargo},
  year = {1965},
  doi = {10.3133/ofr6514},
  url = {https://pubs.usgs.gov/publication/ofr6514},
  note = {Source identifier: ofr6514}
}