@misc{indiciaee1b907c7eeac,
  title = {Helium anomaly in surficial deposits of south Florida — Possible indicator of deep subsurface petroleum or shallow uranium-associated phosphate deposits},
  author = {James George Palacas and Alan A. Roberts},
  year = {1980},
  doi = {10.3133/ofr8091},
  url = {https://pubs.usgs.gov/publication/ofr8091},
  note = {Source identifier: ofr8091}
}