@misc{indiciaef2bb456f0515,
  title = {Aeroradioactivity map of parts of Prince Edward, Lunenburg, and Mecklenburg Counties, Virginia},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1978},
  doi = {10.3133/ofr78598},
  url = {https://pubs.usgs.gov/publication/ofr78598},
  note = {Source identifier: ofr78598}
}