@misc{indiciae8342a02247eb,
  title = {Aeroradioactivity map of Fairfax County, Virginia},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1980},
  doi = {10.3133/ofr80812},
  url = {https://pubs.usgs.gov/publication/ofr80812},
  note = {Source identifier: ofr80812}
}