@misc{indiciae5c37c74f9cef,
  title = {Aeroradioactivity map of part of northern Georgia},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1977},
  doi = {10.3133/ofr77191},
  url = {https://pubs.usgs.gov/publication/ofr77191},
  note = {Source identifier: ofr77191}
}