{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "U.S. Geological Survey, Alaska Science Center", "hasEmail": "mailto:gs-ak_asc_datamanagers@usgs.gov"}, "description": "This data release provides a single 8-bit grayscale GeoTIFF orthomosaic of Semisopochnoi Island, in Aleutian Archipelago of Alaska (georeferenced in NAD 1983 UTM Zone 60N; EPSG:3373). The orthomosaic was derived from 31 black and white single frame aerial photographs taken in 1952. Also included are the non-georeferenced scans of the original aerial photographs.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9826FE3", "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.5ae229e0e4b0e2c2dd302f62.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5ae229e0e4b0e2c2dd302f62", "keyword": ["Aerial photography", "Agisoft", "Alaska", "Aleutian Islands", "Cartography", "Historical photographs", "Orthomosaic", "PhotoScan", "Photogrammetry", "Rat Islands", "Semisopochnoi Island", "SfM", "Single frame aerial photographs", "Structure from Motion", "USGS:5ae229e0e4b0e2c2dd302f62", "imageryBaseMapsEarthCover"], "modified": "2025-01-03T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "179.469291, 51.805783, 179.831512, 52.084874", "theme": ["geospatial"], "title": "Orthomosaic of Semisopochnoi Island, Alaska from Historical Aerial Photographs"}