{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01111_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Collinsville, Connecticut | 1960 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"10"},{"label":"placed","value":"6"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 3, georef 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p3 (tier 1, 41.81100,-72.92274 +/-129m); p6 (tier 2, 41.80803,-72.92518 +/-100m); p8__1 (tier 1, 41.81379,-72.92751 +/-516m); p8__2 (tier 1, 41.81367,-72.92899 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Connecticut | 1960 | sanborn01111_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:53:58Z","modified":"2026-10-18T23:53:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1477.0,434.6 1390.3,527.0 1282.2,695.5 1240.0,771.8 1206.3,948.4 1154.0,1330.2 1212.7,1335.6 1195.2,1655.4 1209.5,1751.1 1172.5,1822.9 818.6,1825.2 681.1,1819.6 182.2,1816.9 154.8,1806.3 149.8,1711.2 138.7,1173.6 29.2,660.6 157.6,137.7 542.3,148.6 869.3,54.2 1206.1,167.3 1490.5,153.6 1566.1,278.5 1521.0,462.5 1477.0,434.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[512.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.92218565033782,41.8106608722596]}},{"type":"Feature","properties":{"resourceCoords":[1219.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.92069228471686,41.81155000183352]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Connecticut | 1960 | sanborn01111_006 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.32"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5236.0"},{"label":"split_canvas_w","value":"1514.8"},{"label":"split_canvas_h","value":"2416.0"}],"created":"2026-10-18T23:53:58Z","modified":"2026-10-18T23:53:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.1,1394.4 108.2,1326.4 13.3,1326.8 15.9,1899.7 366.8,1888.7 337.8,1480.6 312.5,1536.2 279.9,1548.0 266.4,1529.3 253.8,1431.1 299.4,1405.4 147.1,1394.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1309.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.88845206413677,41.78940352360156]}},{"type":"Feature","properties":{"resourceCoords":[378.7,1309.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.88751272856084,41.789454223385306]}},{"type":"Feature","properties":{"resourceCoords":[378.7,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.88740512187577,41.7883301799788]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.88834445745171,41.78827948019505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Connecticut | 1960 | sanborn01111_006 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.31"},{"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":"2026-10-18T23:53:58Z","modified":"2026-10-18T23:53:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"874.9,72.8 734.5,76.0 226.3,105.5 197.8,96.5 186.6,1.0 185.7,1.0 70.1,144.1 29.4,840.2 225.3,1112.3 205.4,1223.5 390.6,1256.7 518.2,1440.1 464.4,1698.0 519.1,1776.7 836.9,1795.4 931.3,1865.8 1545.2,1853.5 1592.6,1716.8 1537.8,1340.0 1570.1,520.0 1612.0,525.9 1612.0,465.9 1549.3,383.7 1479.9,308.8 1404.2,248.7 1378.1,213.0 1306.3,67.3 1235.0,47.5 874.9,72.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[894.0,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.92110276011378,41.80987098402778]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.91955025587967,41.80843401371894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Connecticut | 1960 | sanborn01111_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:53:58Z","modified":"2026-10-18T23:53:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"844.4,1738.6 764.5,1678.2 680.1,1626.2 593.9,1589.8 560.2,1563.2 455.3,1445.7 383.6,1445.7 394.9,1366.5 350.4,1281.8 263.0,977.3 206.4,991.3 131.2,617.5 105.4,441.5 120.0,356.5 166.4,163.9 217.4,49.4 267.5,61.2 267.7,63.5 823.3,48.0 1173.0,103.1 1482.2,118.1 1586.0,364.9 1565.0,843.2 1549.5,991.3 1488.2,1041.0 1496.7,1208.8 1368.6,1250.2 1376.7,1725.8 859.9,1794.8 844.4,1738.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[998.0,647.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.91860180860826,41.8113787267913]}},{"type":"Feature","properties":{"resourceCoords":[147.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.92069995637723,41.81155157578039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Connecticut | 1960 | sanborn01111_006 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.03"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:53:58Z","modified":"2026-10-18T23:53:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"467.0,1888.8 190.6,1887.0 60.3,1864.4 35.0,1801.0 58.0,885.3 28.6,660.3 57.1,415.1 48.1,113.5 78.8,48.0 1023.8,13.1 1405.3,48.4 1532.9,86.0 1562.8,324.9 1561.0,417.4 1535.4,438.9 1569.7,804.0 1554.3,1303.6 1580.7,1419.8 1560.0,1839.7 1281.2,1842.0 1098.8,1883.9 652.3,1856.8 467.0,1888.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1095.0,1672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.9125799,41.8221836]}},{"type":"Feature","properties":{"resourceCoords":[596.0,1434.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.9145327,41.8205417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Collinsville, Connecticut | 1960 | sanborn01111_006 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:53:58Z","modified":"2026-10-18T23:53:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.8,1641.7 196.2,1492.0 91.1,1367.0 50.8,775.0 125.0,158.3 233.2,177.5 351.4,93.2 670.1,49.7 1157.5,75.2 1291.5,133.1 1463.0,73.2 1552.0,200.7 1589.5,586.0 1594.6,1456.6 1498.4,1807.1 837.4,1848.3 163.8,1641.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784cm:g3784cm_g011111960:01111_1960-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,511.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.9282951,41.8096747]}},{"type":"Feature","properties":{"resourceCoords":[1425.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.9262754,41.8099723]}}]}}]}