{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Brian Andrews", "hasEmail": "mailto:bandrews@usgs.gov"}, "description": "These data are high-resolution acoustic backscatter measurements of the seafloor offshore of Massachusetts, from Nahant to Gloucester.  Approximately 127 km2  of the inner shelf were mapped in the nearshore region between the 10m and  40-m isobath.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://pubs.usgs.gov/of/2005/1293/gis/OFR_2005_1293/images/backscatter/", "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.5af0f5ab-42a8-442a-98c7-6a9c04749634.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5af0f5ab-42a8-442a-98c7-6a9c04749634", "keyword": ["ArcGIS Raster", "Atlantic Ocean", "CMGP", "Coastal and Marine Geology Program", "DF-1000", "Edgetech", "GeoTIFF", "Gloucester", "Marine Geology", "Massachusetts Bay", "Nahant", "Salem Sound", "Seafloor", "Sidescan", "Sidescan Sonar", "South Essex Ocean Sanctuary", "U.S. Geological Survey", "USGS", "USGS:5af0f5ab-42a8-442a-98c7-6a9c04749634", "WHSC", "Woods Hole Science Center", "field activity serial number RAFA03007", "field activity serial number RAFA04002", "geoscientificInformation", "geospatial datasets", "greyscale image", "image mosaics", "imageryBaseMapsEarthCover", "marine geophysics", "oceans", "sea-floor acoustic reflectivity", "seafloor mapping", "sidescan sonar"], "modified": "2024-03-18T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-70.942180, 42.388418, -70.660046, 42.577803", "theme": ["geospatial"], "title": "Nahant to Gloucester, 1m resolution Sidescan Sonar Mosaic (SS_MOS1M.TIF)"}