{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01178_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Southington, Connecticut | 1911 | 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":"28"},{"label":"placed","value":"15"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef-snap 8, georef 5, georef-street 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 25 panels"},{"label":"unplaced pages","value":"p12__2 (tier 1, 41.59522,-72.89287 +/-114m); p14__2 (tier 1, 41.58957,-72.89173 +/-122m); p15__1 (tier 4, 41.59143,-72.88713 +/-3342m); p15__2 (tier 4, 41.59143,-72.88713 +/-3342m); p15__3 (tier 4, 41.59143,-72.88713 +/-3342m); p15__4 (tier 4, 41.59143,-72.88713 +/-3342m); p2__2 (tier 1, 41.60748,-72.87807 +/-222m); p3__2 (tier 1, 41.80700,-72.81231 +/-109m); p6__2 (tier 1, 41.60029,-72.87475 +/-100m); p7__2 (tier 1, 41.59781,-72.88250 +/-218m); p7__3 (tier 4, 41.59143,-72.88713 +/-3342m); p8__2 (tier 1, 41.59643,-72.87718 +/-217m); p9__2 (tier 1, 41.59585,-72.88525 +/-266m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Southington, Connecticut | 1911 | sanborn01178_006 p10","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1463.5,271.1 1486.9,280.7 1374.1,325.2 1340.1,439.8 1521.2,940.8 1499.2,1641.1 1541.0,1740.2 1501.2,1791.3 1236.6,1795.1 1156.9,1861.6 947.5,1890.0 422.3,1882.4 131.2,1791.2 41.2,999.0 97.9,714.9 65.8,276.6 186.3,58.4 967.6,20.8 1082.3,90.7 1515.0,66.9 1563.7,164.6 1463.5,271.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.8855055,41.5945564]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.8814496,41.5939372]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.8824315,41.590339699999994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.8864874,41.5909589]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011__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 | 1911 | sanborn01178_006 p11 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.02"},{"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":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"522.2,1867.5 545.3,1866.8 832.3,1911.5 830.3,1888.8 934.2,1860.9 1538.8,1885.3 1588.3,1830.3 1611.8,377.1 1574.8,150.5 1506.0,88.5 1119.3,21.3 879.7,49.5 858.1,457.4 819.2,585.8 842.7,743.4 821.0,897.2 812.3,901.6 812.3,906.5 802.6,906.5 783.2,939.9 765.6,906.5 679.3,906.5 628.5,906.5 529.1,952.2 299.1,952.2 291.9,915.9 223.1,906.5 96.6,920.3 44.1,979.7 37.1,1365.8 74.9,1577.2 49.9,1680.2 79.3,1791.4 132.9,1833.7 409.5,1839.6 430.1,1896.2 520.5,1877.1 519.6,1862.8 522.2,1867.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.0,1563.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8987054,41.5874076]}},{"type":"Feature","properties":{"resourceCoords":[488.0,1756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8975494,41.5881587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Southington, Connecticut | 1911 | sanborn01178_006 p11 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.37"},{"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":"3249.2"},{"label":"split_canvas_h","value":"3626.0"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"339.8,21.2 126.6,62.2 61.5,723.2 93.6,697.9 204.8,854.2 248.1,806.2 342.7,886.6 589.0,884.1 620.0,738.2 783.7,582.9 761.8,408.2 630.8,375.0 636.5,83.3 587.0,25.7 339.8,21.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.89145579963666,41.56429451398662]}},{"type":"Feature","properties":{"resourceCoords":[812.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.89119679553073,41.56584988326985]}},{"type":"Feature","properties":{"resourceCoords":[812.3,906.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.88889357810358,41.56563213758073]}},{"type":"Feature","properties":{"resourceCoords":[0.0,906.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.8891525822095,41.5640767682975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0012__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 | 1911 | sanborn01178_006 p12 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"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":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.2,1797.9 239.9,1734.8 306.7,1800.7 524.4,1806.7 572.0,1840.8 1339.9,1888.3 1583.0,1608.1 1554.8,1608.5 1526.3,1609.0 1487.5,753.8 1521.2,752.1 1516.4,182.2 1554.1,181.6 1541.8,93.7 1271.0,19.6 867.2,30.3 760.5,103.9 659.7,43.6 464.6,89.8 428.6,676.0 472.4,941.4 428.0,968.3 428.0,968.4 427.8,968.4 313.5,1037.5 99.6,1049.5 1.0,1576.1 1.0,1624.9 17.8,1628.3 48.2,1797.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1517.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.89239455718985,41.59077887671169]}},{"type":"Feature","properties":{"resourceCoords":[1031.0,1613.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.89431898285073,41.587896472268945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013__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 | 1911 | sanborn01178_006 p13 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"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":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.0,199.4 156.2,250.7 159.6,403.7 187.1,723.2 186.8,810.1 168.0,898.6 86.8,1164.8 100.6,1226.0 145.7,1340.9 213.5,1484.5 342.7,1730.3 357.9,1756.1 657.7,1724.2 645.0,1294.2 710.4,1224.8 710.4,1224.0 711.1,1224.0 717.5,1217.3 1340.8,1223.8 1515.4,1157.8 1473.8,628.5 1331.7,510.1 1330.6,338.6 1423.7,215.2 1612.0,187.4 1612.0,148.8 1029.7,158.3 1027.8,123.9 154.4,170.3 155.0,199.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[326.0,1744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.88899600717136,41.58755616490096]}},{"type":"Feature","properties":{"resourceCoords":[1030.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.89273345492879,41.58940789146091]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Southington, Connecticut | 1911 | sanborn01178_006 p13 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.23"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2774.8"},{"label":"split_canvas_y","value":"4896.0"},{"label":"split_canvas_w","value":"3677.2"},{"label":"split_canvas_h","value":"2756.0"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"694.3,1888.7 712.8,1879.1 736.3,1911.9 1224.1,1912.0 1571.0,1912.0 1520.5,1662.9 1585.2,1639.1 1518.0,1487.9 1589.2,1410.8 1520.5,1245.2 1134.4,1236.2 1057.5,1255.4 1075.2,1318.0 888.2,1315.8 873.5,1307.6 757.2,1560.1 729.6,1560.0 698.6,1709.9 694.3,1888.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1165.3,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8878936,41.5879162]}},{"type":"Feature","properties":{"resourceCoords":[729.7,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8890231,41.5875921]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0014__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 | 1911 | sanborn01178_006 p14 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"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":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"804.6,20.9 804.7,22.9 223.8,33.0 107.5,53.7 75.3,114.0 138.0,606.9 49.1,741.9 56.8,1410.1 129.2,1554.0 381.1,1600.3 427.1,1752.2 677.6,1770.0 907.9,1887.8 1177.0,1847.3 1329.7,1734.5 1475.5,1663.0 1320.6,1439.6 1237.5,1308.1 1180.0,1201.9 1159.2,1144.0 1206.3,875.7 1214.0,787.4 1203.8,703.0 1138.9,395.7 1117.3,247.4 1114.1,225.7 804.6,20.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,1086.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.89110099943768,41.58635175831518]}},{"type":"Feature","properties":{"resourceCoords":[1167.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.89051520544831,41.587299687956055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0002__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 | 1911 | sanborn01178_006 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.03"},{"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":"3381.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"456.9,46.4 232.1,137.5 138.9,288.3 46.2,845.5 151.8,1161.1 87.7,1589.2 190.7,1730.2 738.6,1746.4 798.4,1686.5 842.5,388.0 720.3,1.6 456.9,46.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[400.2,505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8752237,41.5999846]}},{"type":"Feature","properties":{"resourceCoords":[400.2,1454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8730768,41.5994476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0003__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 | 1911 | sanborn01178_006 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"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":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.6,375.2 54.4,904.6 48.5,1223.6 106.8,1228.9 90.5,1734.2 84.8,1860.3 106.0,1883.0 1195.5,1828.4 1476.5,1874.9 1575.4,1748.0 1497.9,889.7 1106.6,882.7 1105.1,880.0 1103.6,880.0 1103.6,877.5 1072.5,823.5 1054.1,134.1 962.4,65.5 831.8,68.0 825.9,1.0 773.2,1.0 785.1,98.8 72.0,136.6 65.4,310.3 70.6,375.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[908.0,1306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.87814159913475,41.60468004776332]}},{"type":"Feature","properties":{"resourceCoords":[58.0,1306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.87806465324282,41.603098545093175]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Southington, Connecticut | 1911 | sanborn01178_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.2,986.8 106.0,1038.3 111.5,1103.9 105.0,1230.4 25.6,1635.5 35.9,1634.3 95.4,1878.1 348.9,1908.2 348.0,1861.8 623.9,1888.0 894.8,1776.8 1510.6,1798.0 1568.3,1593.3 1612.0,1633.9 1612.0,1598.0 1609.6,1508.9 1589.2,1004.8 1530.8,1003.8 1513.6,685.8 1491.5,157.7 1481.5,93.5 1074.1,119.2 775.8,147.5 746.8,133.8 716.6,119.1 504.4,83.7 267.8,50.8 1.0,17.0 1.0,156.0 61.8,150.1 71.8,229.3 219.5,310.8 220.4,535.1 137.1,632.1 29.2,650.5 19.1,635.8 98.2,986.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1503.0,997.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8782881329468,41.60302387579764]}},{"type":"Feature","properties":{"resourceCoords":[862.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8782836611094,41.60182710486251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Southington, Connecticut | 1911 | sanborn01178_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.36"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.8,121.8 318.8,32.8 507.8,49.1 775.4,174.2 1346.8,188.3 1321.8,390.4 1463.0,450.3 1569.5,675.8 1486.1,1521.6 1534.0,1534.6 1534.1,1638.3 1483.3,1633.9 1486.6,1730.2 794.8,1706.9 773.9,1874.1 379.2,1836.1 88.8,1817.2 63.1,1799.7 70.8,1740.5 102.3,1367.8 123.5,1092.4 120.2,1024.2 127.8,951.8 176.9,838.0 210.1,260.7 104.1,249.1 123.8,121.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[85.0,1794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.88052977217751,41.60171267181425]}},{"type":"Feature","properties":{"resourceCoords":[822.0,1538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.88141492401913,41.60305734028437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0006__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 | 1911 | sanborn01178_006 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.0,203.8 37.0,1018.7 119.8,1248.8 22.1,1605.4 61.6,1863.6 584.4,1834.7 635.5,1219.9 641.2,1219.6 641.2,1215.0 723.4,1215.0 843.2,1208.3 1002.7,1215.0 1086.8,1215.0 1086.8,1218.5 1093.5,1218.8 1147.3,1484.3 1121.4,1820.3 1493.0,1861.0 1550.7,1826.0 1585.9,1332.7 1560.8,806.8 1423.1,800.0 1469.8,536.9 1513.8,304.6 1559.2,96.6 1575.3,67.4 1514.5,66.3 1133.5,76.0 852.1,85.3 783.4,96.3 709.2,96.7 588.5,59.7 1.0,90.5 1.0,199.2 105.0,203.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[410.0,989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.88341491300324,41.59990622612135]}},{"type":"Feature","properties":{"resourceCoords":[1374.0,82.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.88101532977575,41.60163986601275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0007__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 | 1911 | sanborn01178_006 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"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":"3316.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"767.6,136.6 466.1,29.9 112.2,41.1 52.9,99.2 41.9,508.9 128.7,1174.0 92.1,1609.7 32.4,1726.4 72.2,1812.5 504.0,1878.0 561.5,1614.0 627.0,1564.1 777.5,1591.7 785.4,1423.8 767.6,136.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[514.1,1226.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.88875622060183,41.599349356264824]}},{"type":"Feature","properties":{"resourceCoords":[514.1,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.88609288166619,41.59961716830536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0008__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 | 1911 | sanborn01178_006 p8 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.45"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3210.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4441.2"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1576.6,895.4 1540.8,825.6 405.1,1174.4 43.5,1215.2 42.8,1863.3 98.5,1905.7 1216.0,1912.0 1451.7,1912.0 1585.5,1511.6 1608.9,1383.8 1610.8,1262.9 1576.6,895.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[542.0,1399.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8778692,41.5984942]}},{"type":"Feature","properties":{"resourceCoords":[49.0,1399.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8777581,41.597602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0009__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 | 1911 | sanborn01178_006 p9 [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":"5217.6"},{"label":"split_canvas_w","value":"2884.0"},{"label":"split_canvas_h","value":"2434.4"}],"created":"2026-10-19T10:15:30Z","modified":"2026-10-19T10:15:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"652.7,1723.4 691.0,1748.7 702.5,1651.6 655.9,1449.3 653.9,1447.9 473.3,1322.2 27.4,1332.8 15.8,1907.8 686.1,1909.8 700.0,1791.9 633.7,1756.0 652.7,1723.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784sm:g3784sm_g011781911:01178_1911-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1304.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.90340844896429,41.56497692919774]}},{"type":"Feature","properties":{"resourceCoords":[721.0,1304.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.90318981870568,41.563598889962336]}},{"type":"Feature","properties":{"resourceCoords":[721.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.90475079351829,41.56346118803726]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.90496942377689,41.564839227272664]}},{"type":"Feature","properties":{"resourceCoords":[408.0,1370.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.9034539,41.5641822]}}]}}]}