{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05768_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bellmore, New-York | 1927 | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g057681927:05768_1927-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellmore, New-York | 1927 | sanborn05768_001 p1","metadata":[{"label":"streets","value":"58"},{"label":"intersections","value":"56"}],"created":"2026-09-22T09:09:00Z","modified":"2026-09-22T09:09:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g057681927:05768_1927-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g057681927:05768_1927-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g057681927:05768_1927-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[485.6,538.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.529195,40.662839]}},{"type":"Feature","properties":{"resourceCoords":[558.7,349.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.5276937,40.6699986]}}]}}]}