{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05930_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Frankfort, New-York | 1891 | 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:gmd380m:g3804m:g3804fm:g3804fm_g059301891:05930_1891-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frankfort, New-York | 1891 | sanborn05930_002 p1 [2]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"31"},{"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":"4388.2"}],"created":"2026-09-23T19:26:22Z","modified":"2026-09-23T19:26:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804fm:g3804fm_g059301891:05930_1891-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804fm:g3804fm_g059301891:05930_1891-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,-0.0 -0.0,0.0 0.0,4334.3 6872.4,4388.2 6878.4,4388.2 6878.4,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804fm:g3804fm_g059301891:05930_1891-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4675.2,2096.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.068705,43.039021]}},{"type":"Feature","properties":{"resourceCoords":[5808.8,3605.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.071492,43.031954]}}]}}]}