@misc{indiciae8d2923740234,
  title = {Magnetic survey and geology of the Stager area, Iron County, Michigan},
  author = {Stanley E. Good and F.J. Pettijohn},
  year = {1949},
  doi = {10.3133/cir55},
  url = {https://pubs.usgs.gov/publication/cir55},
  note = {Source identifier: cir55}
}