@misc{indiciae258206a9391b,
  title = {Aeroradioactive map of the Newton, Massachusetts area},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1976},
  doi = {10.3133/ofr76520},
  url = {https://pubs.usgs.gov/publication/ofr76520},
  note = {Source identifier: ofr76520}
}