{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Neil M. Dubrovsky", "hasEmail": "mailto:nmdubrov@usgs.gov"}, "description": "The map graphic image at https://www.sciencebase.gov/catalog/file/get/63140561d34e36012efa2b7f?name=arsenic_map.png illustrates arsenic values, \nin micrograms per liter, for groundwater samples from about 31,000 wells and springs in 49 states compiled \nby the United States Geological Survey (USGS). The map graphic illustrates an updated version of figure 1 \nfrom Ryker (2001). Cited Reference: Ryker, S.J., Nov. 2001, Mapping arsenic in groundwater-- A real need, \nbut a hard problem: Geotimes Newsmagazine of the Earth Sciences, v. 46 no. 11, p. 34-36 at \nhttp://www.agiweb.org/geotimes/nov01/feature_Asmap.html. An excel tabular data file, a txt file, along with \na GIS shape file of arsenic concentrations (20,043 samples collected by the USGS) for a subset of the sites \nshown on the map. Samples were collected between 1973 and 2001 and are provided for download.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P97KZQFV", "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.95456880-0d8d-4398-b82e-674672bad2bc.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_95456880-0d8d-4398-b82e-674672bad2bc", "keyword": ["Arsenic", "USGS:95456880-0d8d-4398-b82e-674672bad2bc", "environment", "geoscientificInformation", "groundwater", "inlandWaters"], "modified": "2020-11-17T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-158.631946, 25.39050, -66.991122, 68.143334", "theme": ["geospatial"], "title": "Map of Arsenic concentrations in groundwater of the United States"}