{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01152_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"New London, Connecticut | 1921 | 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"},{"label":"pages","value":"92"},{"label":"placed","value":"54"},{"label":"unplaced","value":"38"},{"label":"fit sources","value":"georef 35, georef-snap 21, georef-street 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"19 sheet(s) cut into 41 panels"},{"label":"unplaced pages","value":"p0a (tier 1, 41.34789,-72.10154 +/-123m); p0b (tier 1, 41.35008,-72.10120 +/-246m); p12__1 (tier 1, 41.35694,-72.09447 +/-200m); p12__2 (tier 1, 41.35663,-72.09533 +/-240m); p13 (tier 2, 41.36302,-72.10402 +/-223m); p25__2 (tier 1, 41.35176,-72.10797 +/-100m); p27__1 (tier 1, 41.34863,-72.11020 +/-255m); p29__2 (tier 1, 41.34881,-72.10312 +/-123m); p30__1 (tier 1, 41.34455,-72.09629 +/-117m); p30__2 (tier 1, 41.34658,-72.10370 +/-258m); p33__2 (tier 1, 41.35106,-72.09908 +/-100m); p34__2 (tier 1, 41.34534,-72.10056 +/-100m); p39 (tier 2, 41.36199,-72.09553 +/-100m); p40 (tier 3, 41.36117,-72.09160 +/-636m); p47__1 (tier 4, 41.35262,-72.09914 +/-2750m); p47__2 (tier 4, 41.35262,-72.09914 +/-2750m); p48 (tier 2, 41.36138,-72.10232 +/-100m); p49__1 (tier 3, 41.34744,-72.06771 +/-636m); p49__2 (tier 1, 41.34921,-72.06810 +/-100m); p50__1 (tier 1, 41.36525,-72.09583 +/-122m); p50__2 (tier 2, 41.34671,-72.09699 +/-100m); p50__3 (tier 2, 41.34671,-72.09699 +/-100m); p54__1 (tier 1, 41.34499,-72.06714 +/-178m); p5__2 (tier 1, 41.35551,-72.09903 +/-100m); p6 (tier 1, 41.35546,-72.09371 +/-256m); p61__1 (tier 2, 41.34540,-72.07893 +/-133m); p61__2 (tier 1, 41.35088,-72.08123 +/-100m); p62 (tier 3, 41.33372,-72.07682 +/-636m); p64__1 (tier 3, 41.32593,-72.07234 +/-636m); p64__2 (tier 3, 41.32593,-72.07234 +/-636m); p65__1 (tier 3, 41.32063,-72.06506 +/-100m); p65__2 (tier 3, 41.32063,-72.06506 +/-636m); p65__3 (tier 3, 41.32063,-72.06506 +/-636m); p6s (tier 1, 41.35543,-72.09367 +/-253m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1625.7 -0.0,1393.3 642.4,761.4 1289.2,40.8 1573.1,118.3 1541.0,165.0 1511.2,1126.0 1321.8,1181.6 1388.5,1291.6 1414.6,1430.8 1276.6,1913.0 875.4,1913.0 763.5,1473.2 -0.0,1625.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10475012090438,41.352514077192836]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10080420583954,41.35277130064548]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10040066785733,41.34923348593493]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10434658292218,41.34897626248229]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"475.0,619.8 488.5,0.0 1205.2,0.0 1244.1,105.4 1450.8,53.0 1437.0,0.0 1613.0,0.0 1613.0,1913.0 1573.0,1791.0 1081.1,1860.3 37.0,1833.6 475.0,619.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10071245665948,41.35903431875084]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09691435614718,41.35973722249053]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09581151047094,41.35633228794273]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09960961098324,41.355629384203034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p11","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"315.4,1913.0 187.0,1822.0 145.0,1611.8 436.4,1161.7 -0.0,793.9 307.2,382.1 245.5,144.4 226.4,123.2 1082.6,654.5 1488.7,0.0 1613.0,0.0 1613.0,1913.0 1402.8,1913.0 1391.8,1802.4 708.1,1627.9 627.5,1913.0 315.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[436.0,1162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1006943,41.35977]}},{"type":"Feature","properties":{"resourceCoords":[-16.0,781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1021196,41.3599961]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p14","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"223.8,1794.1 -0.0,1739.9 -0.0,-0.0 1608.8,0.0 1613.0,1913.0 499.0,1913.0 233.0,1835.5 223.8,1794.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[233.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.102938,41.361437]}},{"type":"Feature","properties":{"resourceCoords":[76.0,471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1030933,41.3637305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p15","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"25.6,600.7 39.3,57.6 612.9,101.1 626.0,0.0 1613.0,0.0 1613.0,219.8 1096.2,221.6 1101.8,1773.2 -0.0,1495.5 -0.0,600.6 25.6,600.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1060488,41.3592772]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1043565,41.3603198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p16","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"679.9,1818.3 755.6,1705.5 -0.0,1531.6 -0.0,-0.0 792.4,0.0 803.5,34.5 1094.2,48.0 1294.9,162.7 1350.1,656.0 1303.2,686.6 1409.3,1120.5 1546.5,1114.3 1533.2,1861.7 824.1,1720.0 679.9,1818.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1545.0,1494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1022612,41.3584584]}},{"type":"Feature","properties":{"resourceCoords":[63.0,367.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1049199,41.3612559]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1352.0 1066.9,1786.2 724.8,1289.3 263.2,758.1 128.4,56.8 1613.0,132.4 1613.0,1352.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10881450241953,41.36071525602465]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10538639239698,41.35927386253247]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10764794305051,41.35620065283718]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.11107605307306,41.35764204632936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"455.0,1095.4 114.1,1351.7 103.8,115.7 713.2,114.4 661.8,243.3 785.0,113.8 1533.2,98.9 1104.0,1727.0 662.8,1489.3 455.0,1095.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10562266879978,41.35933656135052]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10225596874025,41.357892994230916]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10452088390983,41.35487477575772]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10788758396936,41.35631834287732]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p19","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.1,0.0 1169.0,59.2 1277.2,0.0 1545.7,0.0 1613.0,171.2 1613.0,293.0 1325.2,346.7 1438.2,820.7 1508.5,1803.0 1588.3,1803.5 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1100.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1466.0,1218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1118907,41.3558653]}},{"type":"Feature","properties":{"resourceCoords":[256.0,1823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1138756,41.3538642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"369.6,1128.2 423.8,167.3 456.4,129.1 523.1,158.2 776.2,380.7 1001.7,251.6 1244.8,878.2 1244.0,943.4 1352.5,973.1 1536.8,940.2 1613.0,980.5 1613.0,982.9 1613.0,1913.0 116.8,1903.8 266.0,1428.5 180.1,1178.6 369.6,1128.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10203349588211,41.35269111947912]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09807108801994,41.35302603940243]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.0975456568289,41.349473445918164]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10150806469107,41.34913852599485]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p20","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"959.4,1913.0 -0.0,1913.0 -0.0,116.7 1490.9,155.5 1506.9,415.6 1460.5,1029.0 1501.1,1882.8 956.9,1878.1 959.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[227.0,1029.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.112745,41.3522141]}},{"type":"Feature","properties":{"resourceCoords":[1460.0,1029.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1100468,41.353304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p21","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.0,1696.9 159.9,1065.6 141.0,798.2 237.5,799.8 214.3,688.0 133.1,686.1 95.5,0.0 567.3,0.0 597.5,132.5 1548.5,212.9 1315.2,873.2 1181.5,1694.5 118.0,1696.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,697.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1101478,41.3553124]}},{"type":"Feature","properties":{"resourceCoords":[148.0,1219.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1105191,41.3540964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p22","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"260.3,868.5 495.7,213.1 1552.5,584.5 1333.6,988.8 1373.6,1522.6 1435.5,1550.2 1519.9,1718.2 123.0,1684.5 260.3,868.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1065.0,405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1072199,41.3570724]}},{"type":"Feature","properties":{"resourceCoords":[718.0,288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1080982,41.3569625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"201.8,302.9 462.1,-0.0 554.0,-0.0 596.7,41.0 1005.5,133.4 1133.0,693.7 1280.8,637.9 1550.2,1837.5 1491.9,1861.8 179.8,1642.8 201.8,302.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10443057394653,41.355918607755676]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10258452729273,41.353276912847825]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10672905856869,41.3516218628598]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10857510522249,41.35426355776765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p24","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"13"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.8,1913.0 938.3,1913.0 861.6,1635.3 565.6,1622.1 585.5,1715.0 146.7,1817.1 156.0,572.1 -0.0,592.5 -0.0,10.2 259.9,119.0 1113.3,67.3 1185.0,47.8 1368.2,903.8 1519.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[685.0,505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1033805,41.3526231]}},{"type":"Feature","properties":{"resourceCoords":[156.0,572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1043468,41.3532691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p25 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1844.0 403.4,1827.0 401.4,1913.0 451.9,1913.0 1342.8,1562.5 1286.6,1400.3 1613.0,101.2 570.7,19.8 550.4,886.6 -0.0,842.8 -0.0,1844.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1306.0,1461.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1066374,41.3517899]}},{"type":"Feature","properties":{"resourceCoords":[403.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1080246,41.3503331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p26","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"13"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.7,472.6 1613.0,449.0 1613.0,740.1 1344.0,831.0 1369.3,1398.4 1470.2,1378.7 1364.8,1536.8 1218.1,1484.8 1201.1,1514.5 494.8,1241.5 34.5,1212.7 46.9,931.4 -0.0,912.6 -0.0,-0.0 105.7,0.0 74.8,283.7 474.2,310.3 461.3,407.8 1428.5,150.6 1522.7,472.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[799.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1057919,41.349199]}},{"type":"Feature","properties":{"resourceCoords":[1314.0,1410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1047102,41.3497107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p27 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"2866.4"},{"label":"split_canvas_y","value":"3902.4"},{"label":"split_canvas_w","value":"3585.6"},{"label":"split_canvas_h","value":"3749.6"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,975.6 868.7,975.6 716.6,1913.0 1613.0,1913.0 1613.0,975.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[716.6,975.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.11118877796721,41.34979769225233]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,975.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10986434943997,41.34853338318647]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.11161314996978,41.34748634554952]}},{"type":"Feature","properties":{"resourceCoords":[716.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.11293757849703,41.34875065461538]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1609.6,1395.2 752.5,1815.5 754.6,1757.9 647.8,1715.5 454.4,1735.9 136.0,1643.1 -0.0,1499.3 -0.0,1435.9 322.2,403.4 420.5,186.8 690.7,116.9 1414.2,110.2 1454.2,873.7 1609.6,1395.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.1081548769826,41.34887991678078]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10437755098381,41.34972764795885]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10304768010857,41.34634081050152]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10682500610736,41.345493079323454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p29 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4428.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"448.0,1913.0 776.0,1913.0 917.6,1913.0 918.7,1572.2 903.1,1442.0 781.9,1086.3 1107.1,1089.7 1104.2,338.5 1103.3,77.5 335.2,40.5 345.4,0.0 305.0,0.0 190.2,0.0 188.3,792.8 448.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[241.0,1034.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1038235,41.3477057]}},{"type":"Feature","properties":{"resourceCoords":[447.1,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1026735,41.3463822]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p29 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3127.6"},{"label":"split_canvas_y","value":"4345.2"},{"label":"split_canvas_w","value":"3324.4"},{"label":"split_canvas_h","value":"3306.8"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"919.8,1243.5 1024.6,1913.0 1066.0,1913.0 1613.0,1913.0 1613.0,1094.4 1587.1,1094.2 1575.8,1282.9 919.8,1243.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0029__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[922.8,1190.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1026735,41.3463822]}},{"type":"Feature","properties":{"resourceCoords":[1023.6,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1018351,41.3453575]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p3","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"245.4,993.9 192.2,916.5 230.2,863.0 389.5,206.7 736.3,169.6 1188.9,29.5 1613.0,299.8 1613.0,331.0 1415.2,501.9 1400.6,1253.3 1214.0,1245.3 1606.2,1913.0 -0.0,1913.0 -0.0,1841.4 477.8,1168.4 434.8,1080.1 245.4,993.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1409.0,798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0966407,41.3528471]}},{"type":"Feature","properties":{"resourceCoords":[698.0,177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0989761,41.3528494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1410.5,1814.0 145.6,1799.9 145.9,1357.3 191.8,849.6 246.8,561.3 441.7,22.6 687.9,126.0 970.0,93.5 1154.7,0.0 1269.4,0.0 1415.7,448.4 1410.5,1814.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10825922988431,41.34637240126624]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10432832869455,41.34610794794639]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10474316771914,41.342583243134776]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.1086740689089,41.34284769645462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p32","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1120.2,25.1 1531.1,1272.5 1531.5,1273.4 1560.0,1360.2 1555.1,1726.0 333.9,1762.6 49.1,1669.3 280.4,914.2 283.9,501.8 1120.2,25.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[243.0,1048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1049246,41.3450751]}},{"type":"Feature","properties":{"resourceCoords":[1266.0,437.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1028428,41.3465843]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p33 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0033__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.9,1422.0 956.0,1740.7 1080.0,1874.6 1089.8,1787.0 1299.4,1797.9 1029.8,1120.2 1054.7,1081.8 1492.9,1226.4 1487.5,562.5 829.4,551.6 553.8,447.1 151.9,1422.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0033__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1200.0,1549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1027605,41.3422508]}},{"type":"Feature","properties":{"resourceCoords":[600.0,335.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1050052,41.344113]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0034__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p34 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0034__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.4,1518.0 314.7,1803.8 1086.5,1913.0 1613.0,1913.0 1613.0,1474.2 1354.9,1452.2 1482.9,0.0 619.8,0.0 646.5,98.8 618.9,507.9 294.6,500.1 0.0,502.1 -0.0,1551.7 152.4,1518.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0034__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[652.0,1084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1010251,41.3435302]}},{"type":"Feature","properties":{"resourceCoords":[1472.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0992198,41.343651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"292.2,778.0 249.2,103.0 -0.0,125.1 -0.0,-0.0 1563.8,0.0 1545.3,93.3 1613.0,134.7 1613.0,1913.0 -0.0,1913.0 -0.0,585.9 292.2,778.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10169381574305,41.34220757414517]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.0978347085361,41.34262656335418]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09717749332717,41.33916602807055]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10103660053412,41.33874703886154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p36","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"235.9,195.9 398.4,155.7 1326.3,150.9 1317.9,0.0 1613.0,0.0 1613.0,1913.0 286.6,1913.0 285.8,889.9 238.0,864.9 235.9,195.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1121.0,895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0957378,41.3425917]}},{"type":"Feature","properties":{"resourceCoords":[1121.0,151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0959966,41.343962]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"512.8,1811.1 507.4,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1829.5 512.8,1811.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10026077814561,41.346759713936876]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09637515254214,41.34734773153855]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09545273767843,41.34386366699943]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.0993383632819,41.34327564939776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p38","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0038","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,1672.5 102.1,1633.3 140.9,1572.7 134.8,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[142.0,1001.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0970697,41.3637971]}},{"type":"Feature","properties":{"resourceCoords":[142.0,476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0959592,41.364289]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"974.8,85.2 1397.2,65.2 1406.5,368.8 1613.0,356.8 1613.0,1075.9 1613.0,1075.9 1613.0,1913.0 0.0,1913.0 0.0,350.1 158.4,452.6 425.9,16.8 974.8,85.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1008.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0961114,41.3538949]}},{"type":"Feature","properties":{"resourceCoords":[158.0,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0959166,41.3521992]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p41","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0041","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"231.2,1137.6 303.2,944.6 455.0,1017.3 490.4,866.6 381.3,790.1 320.6,783.3 307.1,731.0 0.0,522.7 -0.0,-0.0 1578.2,0.0 1584.8,646.1 1563.0,893.1 1613.0,880.6 1613.0,990.6 1553.2,1005.9 1524.5,1333.8 1178.6,1395.5 914.2,1619.2 667.5,1784.2 304.8,1491.7 328.4,1430.0 137.8,1301.0 231.2,1137.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0041/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.11798656910615,41.35786002351079]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.1142041070321,41.36316445446648]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10588139644449,41.359773594964466]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10966385851854,41.354469164008776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0042","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.0,998.5 84.0,347.0 0.0,350.9 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 824.2,1913.0 779.5,1638.3 518.8,1693.5 515.8,1681.2 88.8,1783.0 105.9,1363.1 165.6,1344.8 160.4,1233.9 110.5,1248.8 121.0,998.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.11595289041661,41.36344433771135]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.11188933695428,41.36855867564219]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10386422192877,41.36491612718454]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.1079277753911,41.3598017892537]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p43 [1]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"18"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"480.6,1913.0 613.9,1913.0 1545.3,1691.4 1594.1,1913.0 1613.0,1913.0 1613.0,708.4 1362.6,708.0 1126.8,608.3 1020.5,237.7 966.8,0.0 -0.0,-0.0 -0.0,1254.2 259.5,1357.8 480.6,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0991964,41.3665094]}},{"type":"Feature","properties":{"resourceCoords":[977.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0992824,41.3679277]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p43 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3867.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2584.8"},{"label":"split_canvas_h","value":"2833.6"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1578.2,42.7 976.8,44.2 1020.5,237.7 1126.8,608.3 1362.6,708.0 1585.0,708.4 1578.2,42.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0043__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[966.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09980435939555,41.36508812937423]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09844004759023,41.36568184590823]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,708.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09758043229,41.364553488725754]}},{"type":"Feature","properties":{"resourceCoords":[966.8,708.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09894474409532,41.363959772191755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p44","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"16"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0044","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.4,46.6 1460.7,46.6 1507.7,179.8 1613.0,140.1 1554.6,277.6 1423.4,725.5 1344.4,848.2 1184.8,1018.7 1061.5,1232.8 936.2,1533.2 889.4,1517.6 757.5,1913.0 -0.0,1913.0 -0.0,1080.4 -0.0,1080.4 -0.0,-0.0 542.7,0.0 624.4,206.7 1045.7,37.0 1031.1,0.0 1416.6,0.0 1435.4,46.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[385.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1105563,41.3417403]}},{"type":"Feature","properties":{"resourceCoords":[1033.0,-4.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1099812,41.3486643]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0045","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 49.8,0.0 45.9,23.4 1280.0,0.0 1537.8,232.9 1613.0,557.4 1531.0,906.5 1571.8,1138.7 1613.0,1131.4 1613.0,1616.5 1113.1,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.1085146758383,41.34312369082649]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.1006599003262,41.34293485617943]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10095609615101,41.33589120676977]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.1088108716631,41.33608004141683]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p46","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"6"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0046","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[164.0,731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1041256,41.3325735]}},{"type":"Feature","properties":{"resourceCoords":[359.0,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1022519,41.3315156]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0054__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p54 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"5147.6"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0054__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0054","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1129.9 1546.5,1178.4 1552.3,1093.9 1613.0,1094.7 1613.0,0.0 -0.0,-0.0 -0.0,1129.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0054__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[820.0,1177.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.081985,41.359974]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,1177.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0803233,41.3600809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0055","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1419.1,132.5 1389.8,598.2 1449.5,1468.5 1435.4,1780.2 616.4,1713.6 613.9,1913.0 -0.0,1913.0 0.0,-0.0 751.6,0.0 754.4,100.5 1419.1,132.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.08574469142421,41.360052387666975]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.08177497302647,41.3602263595796]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.08150201110679,41.35666760548698]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.08547172950453,41.35649363357436]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p56","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0056","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.9,89.1 877.8,79.3 882.2,0.0 1613.0,0.0 1613.0,1602.5 794.7,1469.3 773.3,1821.9 87.7,1758.0 106.5,1442.5 59.5,560.3 95.9,89.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1341.0,797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0790641,41.3588245]}},{"type":"Feature","properties":{"resourceCoords":[1229.0,1541.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.079207,41.3574445]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p57","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0057","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"592.4,1639.1 453.9,1312.1 407.0,1318.1 482.4,1913.0 -0.0,1913.0 -0.0,686.8 327.2,660.9 313.9,458.8 1566.8,461.5 1568.2,675.2 1518.8,886.5 1486.4,1303.1 1431.1,1387.6 1389.4,1690.0 592.4,1639.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,1312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0824297,41.3553418]}},{"type":"Feature","properties":{"resourceCoords":[1143.0,461.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0819581,41.3568955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p58","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0058","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,1350.8 49.8,1288.8 84.5,878.2 134.7,670.1 134.7,459.3 399.9,460.4 390.6,111.1 827.5,144.8 1077.5,162.7 1214.3,171.9 1199.2,0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.08123742871344,41.3577363514371]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07726957225238,41.35769219561018]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07733885020345,41.35413498035682]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.0813067066645,41.35417913618374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0059","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"991.0,1527.2 633.9,1722.9 519.1,1543.5 339.5,1598.8 438.0,1913.0 -0.0,1913.0 -0.0,-0.0 23.6,0.0 71.8,169.7 463.8,245.1 507.6,88.7 473.4,369.6 1279.4,467.5 1336.2,0.0 1613.0,0.0 1613.0,1206.6 1368.8,1281.8 1385.6,1559.1 991.0,1527.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.08379915750034,41.355351863994166]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07595937155853,41.355983143012246]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07496898943172,41.348954297939976]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.08280877537354,41.348323018921896]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p5 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9.7,1327.5 540.7,1418.4 416.0,1628.3 500.2,1913.0 886.0,1511.6 1124.5,1158.9 1375.0,1334.3 1489.8,1160.6 1613.0,1252.7 1613.0,676.5 1520.6,685.6 1410.3,130.4 941.8,163.0 337.2,106.5 168.0,552.9 119.2,556.8 304.8,669.4 9.7,1327.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[920.0,771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0966199,41.3551401]}},{"type":"Feature","properties":{"resourceCoords":[159.0,577.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0985273,41.3550413]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p5s [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1258.8 1613.0,0.0 1408.5,0.0 1394.2,213.2 1573.7,1230.2 1613.0,1258.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[627.0,1229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0968931,41.354174]}},{"type":"Feature","properties":{"resourceCoords":[283.0,675.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0981196,41.3549651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p5s [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3493.2"},{"label":"split_canvas_y","value":"5402.8"},{"label":"split_canvas_w","value":"2958.8"},{"label":"split_canvas_h","value":"2249.2"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1067.0,1515.7 969.9,1700.8 1275.7,1913.0 1322.7,1913.0 1517.8,1499.9 1085.5,1416.8 1063.2,1407.7 1038.7,1473.0 1067.0,1515.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0005s__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[970.2,1701.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0995593,41.3552017]}},{"type":"Feature","properties":{"resourceCoords":[1312.1,1936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0985273,41.3550413]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p60 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"8"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.2,1515.3 41.7,1913.0 1613.0,1913.0 1613.0,1330.2 1067.1,994.2 1222.9,333.7 1613.0,423.9 1613.0,0.0 1078.9,0.0 1011.8,271.7 644.2,124.1 244.2,206.6 188.3,0.0 -0.0,0.0 -0.0,1501.7 97.2,1515.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[487.0,1498.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0762375,41.3452727]}},{"type":"Feature","properties":{"resourceCoords":[342.0,574.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0786777,41.3481731]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p60 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4268.4"},{"label":"split_canvas_y","value":"1334.8"},{"label":"split_canvas_w","value":"2183.6"},{"label":"split_canvas_h","value":"3986.0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,423.9 1222.9,333.7 1067.1,994.2 1613.0,1330.2 1613.0,423.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0060__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.1,333.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07924493357734,41.34438303841146]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,333.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07795227768091,41.34464931452479]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1330.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07730339031714,41.34288062804892]}},{"type":"Feature","properties":{"resourceCoords":[1067.1,1330.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07859604621358,41.34261435193559]}},{"type":"Feature","properties":{"resourceCoords":[1166.1,744.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0787431,41.3437014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0063","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0063/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07497380559929,41.34291814901299]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.06711715790071,41.342097057870625]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.06840507363832,41.33505171064916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.07626172133689,41.335872801791524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"718.2,1561.4 690.0,1509.2 602.3,1481.0 273.1,1682.8 284.7,1649.3 -0.0,1719.9 -0.0,66.2 230.8,-0.0 543.9,-0.0 1037.1,124.0 1335.2,131.5 1357.9,1045.5 1592.2,1050.1 1570.8,1913.0 1293.2,1900.2 718.2,1561.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10242555852437,41.35789680037155]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09960533430811,41.35581435510503]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10287255494335,41.35328598891103]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10569277915961,41.35536843417755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1402.5,1677.8 1150.3,1658.3 924.0,1705.3 717.9,1805.5 711.2,1913.0 45.1,1797.2 229.6,952.4 -0.0,903.5 150.8,0.0 546.5,0.0 647.8,190.1 1129.9,0.0 1226.0,0.0 1537.0,589.6 1547.7,1140.7 1478.2,1518.3 1402.5,1677.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10062267658371,41.356152463250396]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.09733864030645,41.35451360598023]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.099909831712,41.35156934790072]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.10319386798926,41.35320820517089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p9 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3939.6"},{"label":"split_canvas_w","value":"3837.6"},{"label":"split_canvas_h","value":"3712.4"}],"created":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"640.4,1225.0 -0.0,1130.9 -0.0,1580.4 641.2,1706.8 640.4,1225.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.1,1607.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1019808,41.3591269]}},{"type":"Feature","properties":{"resourceCoords":[50.0,1137.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.1021196,41.3599961]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New London, Connecticut | 1921 | sanborn01152_007 p9 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"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":"2026-09-22T01:38:44Z","modified":"2026-09-22T01:38:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"536.2,1045.5 954.0,1570.6 1308.0,1833.8 1465.0,1816.2 1469.8,584.6 1445.2,438.1 1367.7,243.7 1110.5,417.8 954.1,414.4 802.2,264.7 812.2,206.4 310.1,129.2 151.5,854.5 536.2,1045.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011521921:01152_1921-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1461.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.0993635,41.3573388]}},{"type":"Feature","properties":{"resourceCoords":[151.0,854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.102557,41.3578167]}}]}}]}