@misc{indiciae50ccd50cf2d9,
  title = {Geochemistry and mineralogy of a uraniferous lignite [South Dakota]},
  author = {Irving A. Breger and Maurice Deul and Samuel Rubinstein},
  year = {1955},
  doi = {10.2113/gsecongeo.50.2.206},
  url = {https://pubs.usgs.gov/publication/70216045},
  note = {Source identifier: 70216045}
}