@misc{indiciae03a85a9962f8,
  title = {Uranium-isotope variations in groundwaters of the Floridan aquifer and Boulder Zone of south Florida},
  author = {J.B. Cowart and M. I. Kaufman and J.K. Osmond},
  year = {1978},
  doi = {10.1016/0022-1694(78)90045-8},
  url = {https://pubs.usgs.gov/publication/70012714},
  note = {Source identifier: 70012714}
}