@misc{indiciae1aea68258d16,
  title = {Lithologic and radioactivity log of Belle Scott Quarry drill hole, Meade County, Kentucky},
  author = {Roy Clark Kepferle and Warren Lee Peterson},
  year = {1964},
  doi = {10.3133/ofr6497},
  url = {https://pubs.usgs.gov/publication/ofr6497},
  note = {Source identifier: ofr6497}
}