{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01113_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Danbury, Connecticut | 1892 | key map | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011131892:01113_1892-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danbury, Connecticut | 1892 | sanborn01113_003 p0","metadata":[{"label":"streets","value":"81"},{"label":"intersections","value":"113"}],"created":"2026-10-17T04:03:43Z","modified":"2026-10-17T04:03:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011131892:01113_1892-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784dm:g3784dm_g011131892:01113_1892-0000","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:gmd378m:g3784m:g3784dm:g3784dm_g011131892:01113_1892-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[700.5,558.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.4594385,41.4036286]}},{"type":"Feature","properties":{"resourceCoords":[502.4,1498.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.4468544,41.3847549]}}]}}]}