{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01119_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Derby, Connecticut | 1912 | key map | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011191912:01119_1912-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Derby, Connecticut | 1912 | sanborn01119_005 p0","metadata":[{"label":"streets","value":"46"},{"label":"intersections","value":"53"}],"created":"2026-09-20T22:48:50Z","modified":"2026-09-20T22:48:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011191912:01119_1912-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011191912:01119_1912-0000","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 0.0,0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011191912:01119_1912-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[479.4,598.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0905174,41.3228985]}},{"type":"Feature","properties":{"resourceCoords":[527.7,365.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0893732,41.3301496]}}]}}]}