@misc{indiciae07a313d4c518,
  title = {Uranium analyses of ground- and surface-water samples collected by the U.S. Geological Survey during 1954-56},
  author = {N. M. Denson},
  year = {1970},
  doi = {10.3133/ofr70100},
  url = {https://pubs.usgs.gov/publication/ofr70100},
  note = {Source identifier: ofr70100}
}