@misc{indiciae62402178faee,
  title = {Uranium occurrences in sedimentary rocks of Pennsylvania},
  author = {Harry Klemic},
  year = {1962},
  doi = {10.3133/b1107d},
  url = {https://pubs.usgs.gov/publication/b1107D},
  note = {Source identifier: b1107D}
}