@misc{indiciaefee0f4ec4fd3,
  title = {Characteristics of radioactivity patterns and their relations to geologic features in the southeastern quarter of the Winston-Salem Quadrangle, North Carolina, Virginia, Tennessee},
  author = {Gilbert H. Espenshade},
  year = {1978},
  doi = {10.3133/ofr78780},
  url = {https://pubs.usgs.gov/publication/ofr78780},
  note = {Source identifier: ofr78780}
}