{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Sharon A Fitzgerald", "hasEmail": "mailto:safitzge@usgs.gov"}, "description": "Specific activities of cesium-137 (half life  = 30.17 years), lead-210 (half life = 22.3 years), radium-226 (half life = 1,600 years), thorium-234 (half life = 24.1 days), and potassium-40 (half life = 1.277 billion years) in disintegrations per minute per gram (dpm/g) were determined for the Lake Lanier cores. The laboratory errors (plus or minus) and the critical levels are included for each sample.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P920L16R", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.5f49215182ce4c3d122b2a80.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5f49215182ce4c3d122b2a80", "keyword": ["Georgia", "Gwinnett County", "Lake Sidney Lanier", "USGS:5f49215182ce4c3d122b2a80", "cesium-137", "inlandWaters", "lead-210", "potassium-40", "radiometric dating", "radium-226", "thorium-234"], "modified": "2021-06-22T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-84.05710, 34.14577, -84.02206, 34.17545", "theme": ["geospatial"], "title": "Radioisotopic data from USGS laboratory in St. Petersburg, Florida"}