{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08117_004.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Beaufort, South-Carolina | 1899 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081171899:08117_1899-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaufort, South-Carolina | 1899 | sanborn08117_004 p1 [1]","metadata":[{"label":"streets","value":"18"},{"label":"intersections","value":"72"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"4306.3"}],"created":"2026-09-22T02:12:55Z","modified":"2026-09-22T02:12:55Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081171899:08117_1899-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081171899:08117_1899-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,4306.3 6878.4,0.0 0.0,0.0 0.0,3516.0 4701.8,3524.8 4699.9,4306.0 6693.0,4306.3 6878.4,4306.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081171899:08117_1899-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1721.2,718.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6773219,32.4387721]}},{"type":"Feature","properties":{"resourceCoords":[3220.6,544.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6701604,32.4395423]}}]}}]}