{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Brian Tangen", "hasEmail": "mailto:btangen@usgs.gov"}, "description": "A study was conducted to assess the vertical accretion of sediment in the Mud Lake impoundment of Sand Lake National Wildlife Refuge, located in Brown County, South Dakota. Sediment cores were collected from the Mud Lake impoundment during 2000 for determination of vertical accretion rates, which were estimated using cesium-137 and lead-210 isotopic dating techniques. These data directly support the associated publication \u201cSedimentation Rates in the Marshes of Sand Lake National Wildlife Refuge, South Dakota\u201d which is referenced within the Metadata.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9KPH0QS", "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.5feb9072d34ea5387defbb6e.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5feb9072d34ea5387defbb6e", "keyword": ["Cesium", "Core analysis", "Field inventory and monitoring", "Isotopic analysis", "Lead", "Radiometric dating", "Radium", "Sand Lake National Wildlife Refuge", "Sedimentation", "South Dakota", "USGS:5feb9072d34ea5387defbb6e", "United States of America", "environment", "inlandWaters"], "modified": "2022-04-21T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-98.3812, 45.6400, -98.1203, 45.9321", "theme": ["geospatial"], "title": "Isotopic data for soil cores collected during 2000 from Sand Lake National Wildlife Refuge, South Dakota"}