@misc{indiciae5044ddc2b65f,
  title = {Preliminary studies of coalified wood associated with uranium on the Colorao Plateau},
  author = {Irving A. Breger},
  year = {1956},
  doi = {10.3133/tei714},
  url = {https://pubs.usgs.gov/publication/tei714},
  note = {Source identifier: tei714}
}