@misc{indiciaebadb997f33c5,
  title = {Radon in ground water of the lower Susquehanna and Potomac River basins},
  author = {Bruce D. Lindsey and Scott W. Ator},
  year = {1996},
  doi = {10.3133/wri964156},
  url = {https://pubs.usgs.gov/publication/wri964156},
  note = {Source identifier: wri964156}
}