{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01132_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hartford, Connecticut | 1885 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1885 | sanborn01132_001 p0L","metadata":[{"label":"streets","value":"87"},{"label":"intersections","value":"168"}],"created":"2026-09-22T08:44:28Z","modified":"2026-09-22T08:44:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000L","type":"ImageService3","width":1434,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1358.9,858.0 1371.5,892.6 1369.9,900.5 1360.7,903.5 1370.3,1106.0 1375.8,1133.0 1391.3,1285.3 1413.6,1330.4 1434.0,1349.1 1434.0,1711.9 1393.2,1724.2 1402.0,1945.4 1434.0,2023.3 1434.0,2067.0 -0.0,2067.0 -0.0,0.0 1324.9,0.0 1358.9,858.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1174.5,1151.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6738964,41.7641072]}},{"type":"Feature","properties":{"resourceCoords":[923.0,1819.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6826208,41.7554252]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1885 | sanborn01132_001 p0R","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"}],"created":"2026-09-22T08:44:28Z","modified":"2026-09-22T08:44:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000R","type":"ImageService3","width":1449,"height":2067},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.2,2022.5 0.0,1947.8 0.0,1733.8 40.3,1721.8 51.8,1436.5 92.0,1432.7 79.7,1397.8 35.1,1353.8 15.1,1310.6 0.0,1118.0 -0.0,942.4 9.1,939.4 10.9,931.8 -0.0,903.7 -0.0,-0.0 1449.0,0.0 1449.0,2067.0 26.6,2064.6 28.2,2022.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g3784hm_g011321885:01132_1885-0000R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[297.6,1550.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6659711,41.7559264]}},{"type":"Feature","properties":{"resourceCoords":[385.8,1424.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.663587,41.7574488]}}]}}]}