{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04510_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Port Gibson, Mississippi | 1889 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 31.95974,-90.98350 +/-148m); p2__2 (tier 4, 31.95974,-90.98350 +/-148m); p2__3 (tier 4, 31.95974,-90.98350 +/-148m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Port Gibson, Mississippi | 1889 | sanborn04510_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:52:40Z","modified":"2026-09-21T10:52:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5396.5,7652.0 5688.8,2702.5 6452.0,2748.7 6452.0,0.0 1588.0,0.0 1588.0,4407.2 0.0,4407.6 -0.0,7652.0 5396.5,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1720.0,2416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.9852936,31.9615287]}},{"type":"Feature","properties":{"resourceCoords":[1720.0,6604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.9860028,31.9595001]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Port Gibson, Mississippi | 1889 | sanborn04510_001 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:52:40Z","modified":"2026-09-21T10:52:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2841.6,7652.0 2851.6,4814.0 4862.4,4817.2 4862.0,2420.0 6452.0,2427.2 6452.0,219.9 6452.0,0.0 1209.1,0.0 1231.7,285.1 387.5,301.1 499.1,5775.7 -0.0,5815.4 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045101889:04510_1889-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4964.0,244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.9807626,31.9600914]}},{"type":"Feature","properties":{"resourceCoords":[516.0,6748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.9842613,31.9580464]}}]}}]}