{"@type": "dcat:Dataset", "accessLevel": "public", "contactPoint": {"@type": "vcard:Contact", "fn": "Open Data Administrator", "hasEmail": "mailto:no-reply@opendata.maryland.gov"}, "description": "This layer contains detailed outlines of Maryland counties. The Maryland land county boundaries were built using political county boundaries and the National Hydrology Data (NHD). Land boundaries are a key geographic featue in our mapping process.", "distribution": [{"@type": "dcat:Distribution", "describedBy": "https://opendata.maryland.gov/api/views/3cxc-tmxn/columns.json", "describedByType": "application/json", "downloadURL": "https://opendata.maryland.gov/api/v3/views/3cxc-tmxn/query.json?accessType=DOWNLOAD", "mediaType": "application/json"}, {"@type": "dcat:Distribution", "describedBy": "https://opendata.maryland.gov/api/views/3cxc-tmxn/columns.xml", "describedByType": "application/xml", "downloadURL": "https://opendata.maryland.gov/api/v3/views/3cxc-tmxn/export.xml?accessType=DOWNLOAD", "mediaType": "application/xml"}, {"@type": "dcat:Distribution", "downloadURL": "https://opendata.maryland.gov/api/v3/views/3cxc-tmxn/export.csv?accessType=DOWNLOAD", "mediaType": "text/csv"}, {"@type": "dcat:Distribution", "downloadURL": "https://opendata.maryland.gov/api/v3/views/3cxc-tmxn/export.kml?accessType=DOWNLOAD", "mediaType": "application/vnd.google-earth.kml+xml"}, {"@type": "dcat:Distribution", "downloadURL": "https://opendata.maryland.gov/api/v3/views/3cxc-tmxn/export.kmz?accessType=DOWNLOAD", "mediaType": "application/vnd.google-earth.kmz"}, {"@type": "dcat:Distribution", "downloadURL": "https://opendata.maryland.gov/api/v3/views/3cxc-tmxn/query.geojson?accessType=DOWNLOAD", "mediaType": "application/geo+json"}], "identifier": "https://opendata.maryland.gov/api/views/3cxc-tmxn", "issued": "2025-07-22", "keyword": ["county boundaries", "data nhd", "doit", "hydrology data", "mapping process", "maryland", "maryland counties", "maryland land", "maryland open data", "national hydrology", "nhd land"], "landingPage": "https://opendata.maryland.gov/d/3cxc-tmxn", "modified": "2026-06-17", "publisher": {"@type": "org:Organization", "name": "opendata.maryland.gov"}, "title": "County Boundaries - Detailed"}