@misc{indiciaeaecdba9faea0,
  title = {Geologic radon potential of EPA Region 10: Alaska, Idaho, Oregon, and Washington},
  year = {1993},
  doi = {10.3133/ofr93292j},
  url = {https://pubs.usgs.gov/publication/ofr93292J},
  note = {Source identifier: ofr93292J}
}