{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01169_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Rockville, Connecticut | 1946 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1946 | sanborn01169_007 p0a","metadata":[{"label":"streets","value":"61"},{"label":"intersections","value":"81"}],"created":"2026-10-19T14:08:31Z","modified":"2026-10-19T14:08:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000a","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:g3784rm:g3784rm_g011691946:01169_1946-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1187.6,918.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4354578,41.8636825]}},{"type":"Feature","properties":{"resourceCoords":[355.6,715.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4618721,41.8636465]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1946 | sanborn01169_007 p0b","metadata":[{"label":"streets","value":"63"},{"label":"intersections","value":"90"}],"created":"2026-10-19T14:08:31Z","modified":"2026-10-19T14:08:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000b","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:g3784rm:g3784rm_g011691946:01169_1946-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,757.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4435969,41.8660499]}},{"type":"Feature","properties":{"resourceCoords":[642.7,716.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.453327,41.8651425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000c/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1946 | sanborn01169_007 p0c","metadata":[{"label":"streets","value":"64"},{"label":"intersections","value":"79"}],"created":"2026-10-19T14:08:31Z","modified":"2026-10-19T14:08:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000c/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691946:01169_1946-0000c","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:g3784rm:g3784rm_g011691946:01169_1946-0000c/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[967.3,758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4435969,41.8660499]}},{"type":"Feature","properties":{"resourceCoords":[642.2,667.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4536329,41.8662743]}}]}}]}