{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01190_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Wallingford, Connecticut | 1897 | 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":"14"},{"label":"placed","value":"7"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 4, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__2 (tier 3, 41.45441,-72.82290 +/-1024m); p4__2 (tier 1, 41.45737,-72.82267 +/-100m); p6__2 (tier 1, 41.45057,-72.82897 +/-100m); p6__4 (tier 1, 41.45050,-72.81847 +/-100m); p7__2 (tier 1, 41.46324,-72.82241 +/-211m); p7__3 (tier 1, 41.46047,-72.83235 +/-100m); p7__4 (tier 1, 41.45280,-72.82786 +/-109m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wallingford, Connecticut | 1897 | sanborn01190_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T20:48:12Z","modified":"2026-10-18T20:48:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.0,1578.3 47.0,1186.7 68.7,787.4 131.4,752.4 74.7,675.6 113.8,604.1 68.9,428.6 136.8,297.8 39.7,199.6 43.8,65.3 976.4,58.2 1043.3,122.7 1378.2,31.9 1558.9,54.5 1566.5,330.8 1562.4,330.8 1565.5,933.5 1559.0,1824.7 1560.2,1868.6 1517.7,1838.9 1139.3,1780.4 734.9,1741.0 328.0,1704.4 206.3,1661.0 160.0,1636.0 83.2,1634.5 61.0,1578.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[228.0,1061.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.82631673294456,41.4592231183479]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,1735.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.82394954423839,41.45706739869041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wallingford, Connecticut | 1897 | sanborn01190_003 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T20:48:12Z","modified":"2026-10-18T20:48:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1559.7,573.0 1548.8,573.4 1538.7,203.1 1495.8,174.4 1117.4,123.8 713.5,92.9 307.2,64.7 185.0,23.9 140.3,1.0 62.1,1.0 118.2,135.4 55.2,1537.3 123.3,1788.5 560.6,1784.0 720.3,1875.5 1547.1,1865.0 1559.7,573.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1541.0,304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8241516,41.4566504]}},{"type":"Feature","properties":{"resourceCoords":[116.0,1059.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8282155,41.4564761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wallingford, Connecticut | 1897 | sanborn01190_003 p4 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"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":"2026-10-18T20:48:12Z","modified":"2026-10-18T20:48:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.6,1912.0 152.4,1912.0 153.6,1912.0 155.6,1864.1 325.6,1769.3 713.0,1785.3 851.7,1727.0 1284.9,1778.1 1369.0,1867.1 1375.2,1912.0 1386.9,1912.0 1447.6,1912.0 1466.7,1771.7 1518.8,1775.8 1523.6,1560.9 1525.2,717.5 1527.7,250.4 1508.2,145.8 1432.1,131.2 1331.1,445.6 833.5,444.8 831.5,441.0 829.5,441.0 829.5,437.1 634.0,62.5 169.5,47.9 168.9,1.0 164.8,1.0 160.8,603.6 143.8,1495.9 144.5,1539.9 142.6,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,701.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8210808,41.4576041]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8200876,41.4571831]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wallingford, Connecticut | 1897 | sanborn01190_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T20:48:12Z","modified":"2026-10-18T20:48:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.3,449.6 200.3,1293.3 216.5,1508.8 163.8,1510.1 158.3,1652.3 85.5,1659.8 127.0,1832.8 251.4,1879.8 1361.7,1890.2 1492.2,1873.2 1492.6,1811.1 1494.8,1446.6 1492.3,1051.9 1489.2,574.1 1488.7,499.8 1489.3,82.8 1452.0,24.0 1088.2,82.6 940.7,23.6 644.4,70.0 93.4,42.1 78.1,1.0 77.8,1.0 119.3,449.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.81977858536551,41.458094031731136]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.81625652217234,41.45664914107054]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.81852695512328,41.45349642651419]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.82204901831645,41.454941317174786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wallingford, Connecticut | 1897 | sanborn01190_003 p6 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.86"},{"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":"4292.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T20:48:12Z","modified":"2026-10-18T20:48:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.0,1437.0 135.3,1860.3 159.2,1784.9 560.9,1888.0 821.3,1840.7 1002.5,1739.6 1060.1,1388.1 997.0,702.9 1033.8,314.0 929.0,53.2 540.7,32.8 128.2,115.8 107.3,83.7 112.6,497.6 132.0,1437.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006__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":[-72.81675810079354,41.45686033748352]}},{"type":"Feature","properties":{"resourceCoords":[1073.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.81440110483517,41.45587269104321]}},{"type":"Feature","properties":{"resourceCoords":[1073.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.8167483952563,41.45272041667809]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.81910539121466,41.4537080631184]}},{"type":"Feature","properties":{"resourceCoords":[108.0,216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8167859,41.456405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wallingford, Connecticut | 1897 | sanborn01190_003 p6 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4255.2"},{"label":"split_canvas_y","value":"2939.6"},{"label":"split_canvas_w","value":"2196.8"},{"label":"split_canvas_h","value":"1741.2"}],"created":"2026-10-18T20:48:12Z","modified":"2026-10-18T20:48:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1598.3,1048.5 1590.6,777.4 1420.4,747.2 1086.6,804.7 1087.3,1168.7 1489.7,1163.5 1598.3,1048.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1063.8,734.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.8222494996559,41.45057579469325]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,734.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.82102993184819,41.45008518940269]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1170.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.82154838092161,41.44935995286461]}},{"type":"Feature","properties":{"resourceCoords":[1063.8,1170.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.82276794872932,41.44985055815517]}},{"type":"Feature","properties":{"resourceCoords":[1488.2,808.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8213951,41.4500736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wallingford, Connecticut | 1897 | sanborn01190_003 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"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":"3978.0"},{"label":"split_canvas_h","value":"4510.0"}],"created":"2026-10-18T20:48:12Z","modified":"2026-10-18T20:48:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"963.7,893.6 993.4,381.5 925.5,46.6 879.5,98.9 852.9,41.0 756.5,85.3 748.7,34.4 607.0,13.8 398.1,16.3 322.3,105.6 149.6,68.1 176.6,110.2 33.1,238.4 45.0,926.1 184.6,1010.0 276.9,990.9 390.3,1102.4 408.8,1023.9 626.2,955.1 901.8,945.4 963.7,893.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011901897:01190_1897-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[367.8,726.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.82113161860119,41.46192877793496]}},{"type":"Feature","properties":{"resourceCoords":[367.8,284.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.8206626204012,41.46269469527229]}}]}}]}