{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01169_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Rockville, 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":"19"},{"label":"placed","value":"13"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 6, georef-snap 5, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 41.86631,-72.46378 +/-100m); p10__3 (tier 1, 41.86822,-72.46533 +/-100m); p11__2 (tier 1, 41.86164,-72.45025 +/-120m); p9__1 (tier 1, 41.86475,-72.45995 +/-171m); p9__2 (tier 1, 41.86560,-72.46126 +/-179m); p9__3 (tier 1, 41.86473,-72.45858 +/-178m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p10 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.68"},{"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":"2916.0"},{"label":"split_canvas_h","value":"2610.8"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"368.1,577.3 419.4,610.1 641.6,552.5 712.6,646.8 728.0,641.2 728.0,639.5 667.5,552.1 719.8,463.6 688.3,14.1 25.1,27.4 35.6,648.5 350.4,649.1 349.6,601.0 368.1,577.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.44359317581353,41.87176670052763]}},{"type":"Feature","properties":{"resourceCoords":[729.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.44208112350871,41.87098785751486]}},{"type":"Feature","properties":{"resourceCoords":[729.0,652.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.4430176972066,41.86997896223237]}},{"type":"Feature","properties":{"resourceCoords":[0.0,652.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.44452974951142,41.87075780524514]}},{"type":"Feature","properties":{"resourceCoords":[314.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4431054,41.8712551]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p10 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.61"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2588.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5064.0"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.6,1488.0 96.8,1891.3 1549.9,1907.2 1567.0,821.0 1010.1,791.1 1023.3,854.8 952.6,860.7 967.7,797.5 777.3,794.5 917.6,846.0 719.9,857.0 637.2,728.8 454.6,676.5 44.6,726.5 18.6,1488.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0010__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[402.0,698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4648182236722,41.867945158031716]}},{"type":"Feature","properties":{"resourceCoords":[403.0,1640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.46477755574338,41.86614395155596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p11 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.21"},{"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":"3292.4"},{"label":"split_canvas_h","value":"3500.4"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"809.3,840.9 743.9,561.8 791.0,560.3 748.0,518.1 737.8,150.2 791.4,14.2 31.1,11.8 21.7,721.5 449.0,863.5 809.3,840.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[347.1,247.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4681071,41.8680675]}},{"type":"Feature","properties":{"resourceCoords":[397.1,559.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4675335,41.8675748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p11 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.13"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3474.0"},{"label":"split_canvas_w","value":"3774.0"},{"label":"split_canvas_h","value":"4178.0"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.9,1850.6 793.4,1894.2 903.0,1773.6 819.6,1628.3 900.3,1443.5 894.7,1186.5 556.8,992.6 534.5,892.1 269.5,1105.0 32.9,1130.7 140.9,1444.8 37.2,1550.0 128.8,1617.1 192.9,1850.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,868.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.43545711954552,41.86805385012467]}},{"type":"Feature","properties":{"resourceCoords":[943.5,868.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.4339012486736,41.86932561178995]}},{"type":"Feature","properties":{"resourceCoords":[943.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.43202398830807,41.868033966211975]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.43357985917999,41.8667622045467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p11 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.13"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3744.4"},{"label":"split_canvas_y","value":"3505.2"},{"label":"split_canvas_w","value":"2707.6"},{"label":"split_canvas_h","value":"4146.8"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1165.9,1886.3 1593.8,1860.2 1554.3,967.1 1379.7,895.0 972.8,929.6 960.0,1257.2 1096.7,1638.5 1057.5,1792.7 976.1,1791.5 1165.9,1886.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0011__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[936.1,876.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.4518441770143,41.862776750830875]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,876.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.45034468652327,41.86324184583282]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.44939480987725,41.861519190655095]}},{"type":"Feature","properties":{"resourceCoords":[936.1,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.45089430036828,41.86105409565315]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_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":"Rockville, Connecticut | 1903 | sanborn01169_004 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2682.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4970.0"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.2,688.1 68.7,905.0 51.6,959.4 117.1,983.3 126.6,1106.1 119.1,1734.2 165.9,1733.2 1413.7,1798.7 1414.0,1570.0 1479.1,1580.5 1597.5,1491.1 1579.3,1491.9 1505.8,1141.3 939.5,1109.1 886.2,941.4 709.1,896.2 705.9,896.2 705.9,895.4 702.7,894.6 631.1,708.1 181.3,723.2 157.2,688.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[438.0,1150.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.44767781760636,41.869741567095225]}},{"type":"Feature","properties":{"resourceCoords":[1419.0,1763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.44497023007347,41.869012179991024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1474.3,108.1 1556.5,90.2 1535.2,190.5 1447.8,442.8 1531.9,472.1 1543.7,1262.3 1594.0,1263.1 1564.1,1883.8 1494.2,1898.1 1495.0,1883.7 382.4,1875.4 45.8,1785.1 41.2,1681.8 107.5,1683.6 114.8,1418.5 49.1,1394.5 31.1,1246.7 83.9,931.2 49.4,38.4 1464.2,47.7 1474.3,108.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[910.0,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.45701585805416,41.868209693329426]}},{"type":"Feature","properties":{"resourceCoords":[406.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.45818395925575,41.866262620178716]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"791.8,1847.8 791.8,1843.0 133.7,1812.8 83.5,1810.9 90.2,1050.5 9.9,1020.4 99.9,779.7 122.6,683.7 43.2,699.0 35.8,622.3 65.9,31.8 1316.0,74.5 1441.8,217.1 1524.6,184.3 1530.0,236.7 1508.4,569.5 1518.2,1534.0 1392.2,1566.8 1506.2,1831.0 791.8,1847.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[765.0,501.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.45381759143399,41.86882335271643]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,217.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.45191248794731,41.86943699294876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.1,270.9 30.8,75.1 113.5,26.5 1228.0,21.4 1459.8,97.8 1513.2,50.5 1596.2,169.2 1511.7,382.6 1495.4,436.1 1559.8,458.9 1570.3,579.1 1569.0,1194.8 1566.6,1589.0 1563.1,1738.5 1510.5,1740.5 907.0,1733.0 886.2,1858.1 871.4,1897.5 613.9,1843.8 196.2,1785.1 96.2,1769.2 4.0,1752.0 139.8,791.4 211.5,463.7 214.0,410.7 126.7,430.9 23.1,270.1 27.1,270.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4519181,41.868404]}},{"type":"Feature","properties":{"resourceCoords":[907.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4495229,41.8673106]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p5","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.3,1694.0 1575.2,1840.6 1513.6,1876.0 1290.5,1793.5 1029.4,1879.3 223.4,1862.7 193.3,1891.7 155.9,1732.1 185.9,1725.6 187.3,1725.3 141.8,1329.0 128.7,1331.3 64.4,729.9 75.7,728.8 70.2,591.0 83.0,441.0 110.0,45.0 156.2,46.5 1382.0,175.0 1380.1,234.1 1345.1,727.5 1466.2,734.8 1437.1,1370.9 1511.3,1377.3 1584.5,1377.8 1539.2,1585.1 1523.6,1681.5 1559.5,1684.5 1555.3,1694.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1504.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4435969,41.8660499]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4449645,41.8689455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p6","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"312.8,1912.0 323.5,1811.7 358.7,1595.4 283.1,1598.9 206.3,1596.5 200.9,938.8 75.7,938.0 84.4,427.1 83.1,366.1 83.0,133.0 149.3,143.6 269.8,52.2 962.9,22.6 978.9,18.4 1220.2,24.2 1459.1,113.0 1423.6,279.8 1523.6,308.6 1612.0,1031.3 1612.0,1036.9 1585.3,1800.1 1537.8,1881.0 1016.2,1838.2 657.9,1883.2 397.2,1789.9 350.4,1912.0 312.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,1895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4406676,41.8667827]}},{"type":"Feature","properties":{"resourceCoords":[83.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4450832,41.8693602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,2.5 1.0,2.9 80.7,36.8 15.1,1420.6 58.6,1809.7 87.0,1842.5 253.7,1813.0 258.6,1844.2 258.9,1845.7 670.1,1821.2 668.6,1807.5 1292.4,1775.3 1293.0,1787.0 1435.4,1789.1 1439.7,1734.6 1520.5,1112.1 1393.8,1075.5 1355.0,1055.4 1441.7,795.9 1552.8,371.6 1581.4,270.2 1612.0,171.6 1612.0,41.0 728.5,165.6 722.0,245.0 230.1,44.8 133.2,1.0 78.6,1.0 1.0,2.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1293.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4477831,41.8673017]}},{"type":"Feature","properties":{"resourceCoords":[722.0,245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4509241,41.8654372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rockville, Connecticut | 1903 | sanborn01169_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.61"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:12:35Z","modified":"2026-10-19T16:12:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.6,1855.5 31.9,1029.7 96.3,904.8 51.2,788.3 109.1,729.2 70.2,510.4 124.5,115.2 437.9,31.4 854.8,41.1 871.7,110.0 1488.0,116.2 1488.0,118.0 1498.9,797.1 1493.9,797.4 1556.6,1531.5 1036.8,1794.9 1056.1,1871.0 533.6,1840.9 426.9,1830.7 305.5,1874.7 40.6,1855.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784rm:g3784rm_g011691903:01169_1903-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[872.0,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.45349429943963,41.86511768797321]}},{"type":"Feature","properties":{"resourceCoords":[292.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.45100628996151,41.86402730137426]}}]}}]}