{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01178_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Southington, Connecticut | 1895 | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781895:01178_1895-0000__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Southington, Connecticut | 1895 | sanborn01178_003 p0 [1]","metadata":[{"label":"streets","value":"19"},{"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":"5748.6"}],"created":"2026-09-23T03:27:41Z","modified":"2026-09-23T03:27:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781895:01178_1895-0000__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781895:01178_1895-0000","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 -0.0,-0.0 -0.0,1437.2 0.1,1437.2 734.6,1433.9 734.0,1174.5 1613,1164.6 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781895:01178_1895-0000__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[658.5,438.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8783234,41.6018408]}},{"type":"Feature","properties":{"resourceCoords":[561.0,1193.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8905612,41.5872942]}}]}}]}