https://www.usgs.gov/publications/radium-and-radon-charlotte-harbor-estuary-florida
Radium and radon in Charlotte Harbor Estuary, Florida | U.S. Geological Survey
Radium-226 and 222Rn activities are greater in the estuarine waters of northern Charlotte Harbor and the lower tidal Peace and Myakka Rivers, Florida, than in...
charlotte harbor estuary