@misc{indiciae482ff71eb98d,
  title = {Aeroradioactivity map of Sault Sainte Marie and vicinity, Michigan},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1979},
  doi = {10.3133/ofr79852},
  url = {https://pubs.usgs.gov/publication/ofr79852},
  note = {Source identifier: ofr79852}
}