{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01214_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Laurel, Delaware | 1912 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd383m:g3834m:g3834lm:g012141912:01214_1912-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Delaware | 1912 | sanborn01214_006 p1 [1]","metadata":[{"label":"streets","value":"22"},{"label":"intersections","value":"54"},{"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":"8074.1"}],"created":"2026-09-23T03:22:07Z","modified":"2026-09-23T03:22:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd383m:g3834m:g3834lm:g012141912:01214_1912-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd383m:g3834m:g3834lm:g012141912:01214_1912-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,8074.1 6878.4,2862.8 4528.8,2862.7 4528.8,0.0 1987.7,0.0 382.5,0.0 0.0,0.0 -0.0,8074.1 6878.4,8074.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd383m:g3834m:g3834lm:g012141912:01214_1912-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2200.0,2410.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5706279,38.5542553]}},{"type":"Feature","properties":{"resourceCoords":[1886.5,1417.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5725413,38.5579794]}}]}}]}