{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01108_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chester, Connecticut | 1903 | 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"},{"label":"pages","value":"16"},{"label":"placed","value":"1"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.40281,-72.45016 +/-100m); p1__3 (tier 4, 41.40281,-72.45016 +/-100m); p2__1 (tier 4, 41.40281,-72.45016 +/-100m); p2__2 (tier 4, 41.40281,-72.45016 +/-100m); p2__3 (tier 4, 41.40281,-72.45016 +/-100m); p2__4 (tier 4, 41.40281,-72.45016 +/-100m); p2__5 (tier 4, 41.40281,-72.45016 +/-100m); p2__6 (tier 4, 41.40281,-72.45016 +/-100m); p2__7 (tier 4, 41.40281,-72.45016 +/-100m); p3__1 (tier 4, 41.40281,-72.45016 +/-100m); p3__2 (tier 4, 41.40281,-72.45016 +/-100m); p3__3 (tier 4, 41.40281,-72.45016 +/-100m); p3__4 (tier 4, 41.40281,-72.45016 +/-100m); p3__5 (tier 4, 41.40281,-72.45016 +/-100m); p3__6 (tier 4, 41.40281,-72.45016 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011081903:01108_1903-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chester, Connecticut | 1903 | sanborn01108_002 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.08"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:37:44Z","modified":"2026-10-19T03:37:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011081903:01108_1903-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011081903:01108_1903-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1599.9,1422.8 1549.7,1072.0 1574.3,896.1 1368.5,883.0 1050.0,883.0 1024.7,861.1 1032.7,195.3 991.1,49.0 299.6,30.5 113.6,124.7 227.3,321.7 220.8,490.0 178.8,511.7 183.8,666.8 80.5,873.2 18.9,1225.8 88.3,1326.5 984.4,1336.5 985.3,1340.1 988.4,1340.1 988.4,1351.1 1110.5,1793.8 1315.5,1791.4 1446.0,1875.3 1548.9,1836.8 1599.9,1422.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011081903:01108_1903-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,1042.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4502347,41.4026287]}},{"type":"Feature","properties":{"resourceCoords":[654.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.450549,41.4033523]}}]}}]}