{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "David Walters", "hasEmail": "mailto:waltersd@usgs.gov"}, "description": "Data shows radioisotope measurements (Pb-210 and Cs-137) of sediment cores from four coastal wetlands along the Chesapeake Bay (one core from each site). Cores were sectioned every 1-2 cm depth.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1AKQCSC", "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.67570d21d34e5c5dfd05c1d8.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_67570d21d34e5c5dfd05c1d8", "keyword": ["Cs-137", "Pb-210", "USGS:67570d21d34e5c5dfd05c1d8", "environment", "radioisotope", "sediment core"], "modified": "2025-05-09T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-76.4127, 37.8987, -75.7590, 39.1151", "theme": ["geospatial"], "title": "Sediment core radioisotope measurements in coastal wetlands along the Chesapeake Bay"}