{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06648_061.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cleveland, Ohio | 1952 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"83"},{"label":"placed","value":"71"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef-snap 43, georef 23, georef-street 3, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 24 panels"},{"label":"unplaced pages","value":"p107 (tier 1, 41.46524,-81.63131 +/-289m); p19 (tier 2, 41.48488,-81.63172 +/-220m); p20 (tier 1, 41.48587,-81.62787 +/-131m); p23__1 (tier 1, 41.48232,-81.62552 +/-100m); p25__2 (tier 1, 41.48322,-81.61732 +/-100m); p37__2 (tier 1, 41.48004,-81.62419 +/-155m); p38__3 (tier 1, 41.48201,-81.62601 +/-100m); p41__2 (tier 1, 41.48243,-81.61725 +/-100m); p43 (tier 1, 41.48082,-81.60905 +/-135m); p57__2 (tier 1, 41.47483,-81.62400 +/-100m); p7__2 (tier 1, 41.48756,-81.62899 +/-193m); p92__2 (tier 1, 41.46964,-81.61317 +/-101m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0010","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"682.4,1919.3 850.5,1917.0 942.6,1686.6 1022.1,1475.5 1190.5,1054.7 1372.1,584.5 1561.9,105.1 1511.9,119.2 1423.4,54.3 1123.2,42.9 574.5,48.9 247.7,119.2 6.5,573.8 1.0,584.2 1.0,613.2 12.0,612.9 167.3,608.6 159.4,1075.2 169.0,1075.0 175.7,1485.8 171.8,1485.8 183.1,1926.3 682.4,1919.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-1.0,596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6187872125508,41.487349184874844]}},{"type":"Feature","properties":{"resourceCoords":[1020.0,1466.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61629786439947,41.48572512109667]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0108/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p108","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0108/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0108","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.0,16.9 49.0,17.0 61.0,18.3 509.1,29.1 597.8,52.4 1197.1,87.7 1196.5,79.8 1544.9,101.2 1575.2,252.2 1541.0,252.3 1600.0,1295.7 1594.0,1295.7 1539.5,1928.3 1518.9,1928.4 1511.0,1898.7 1400.2,1890.3 98.7,1902.0 47.5,1820.2 31.9,1006.9 126.5,283.1 76.2,112.6 37.6,116.7 48.0,16.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0108/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1267.0,1934.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62585405245076,41.46347049390307]}},{"type":"Feature","properties":{"resourceCoords":[713.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62723992272582,41.46687795151571]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p109","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0109/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0109","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1091.3,1918.6 401.8,1909.2 79.1,1856.9 65.3,1805.7 85.7,1805.4 136.6,1177.6 142.6,1177.5 78.8,142.7 348.0,139.9 1610.5,127.2 1610.8,305.4 1611.8,839.6 1607.5,1168.4 1606.2,1634.8 1609.2,1792.0 1664.0,1791.1 1664.0,1823.1 1091.3,1918.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[207.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62489316998358,41.46351762882989]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62150342031642,41.464661924897364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0011","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"712.6,100.1 516.2,574.5 328.2,1039.7 154.1,1456.0 71.7,1665.0 1.0,1834.0 1.0,1871.0 1593.7,1892.1 1606.7,1673.9 1586.7,1673.8 1597.8,1254.2 1594.2,1254.2 1597.2,509.6 1599.7,509.6 1595.5,81.7 1471.5,44.3 932.4,41.8 712.6,100.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[146.0,1440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61631300726705,41.485737141444154]}},{"type":"Feature","properties":{"resourceCoords":[551.0,510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61532280070895,41.48746260884308]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p110","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0110","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1634.4,1765.0 1606.8,1602.2 1610.4,1.0 1590.6,1.0 1591.4,85.0 984.3,117.5 984.2,105.4 529.0,87.6 529.0,94.0 84.4,120.0 101.5,1777.9 102.0,1822.6 641.4,1820.2 973.4,1823.8 1444.4,1823.9 1603.2,1820.5 1602.2,1765.1 1634.4,1765.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6213984413787,41.46544707620691]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62139714680983,41.46356027564157]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0111/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p111","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0111/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0111","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.5,1832.0 517.1,1812.4 517.2,1806.2 961.5,1829.5 961.5,1841.3 1554.9,1817.5 1555.6,1626.7 1576.2,1626.9 1598.3,216.2 1560.8,215.4 1561.1,148.4 1.0,150.2 1.0,354.6 71.1,355.5 76.9,779.0 85.8,779.0 85.7,812.1 82.5,1832.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0111/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[966.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.615718,41.464655]}},{"type":"Feature","properties":{"resourceCoords":[518.0,785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.614701,41.465501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0112/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p112","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0112/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0112","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1506.1,1859.6 1469.0,1848.1 1503.8,79.3 1544.1,79.5 1476.3,1.0 231.5,1.0 58.5,181.4 77.7,178.8 112.8,171.9 105.0,1835.2 37.5,1834.5 36.5,1872.2 1114.0,1895.3 1506.1,1859.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0112/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[739.0,1830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6115157439987,41.463605420902645]}},{"type":"Feature","properties":{"resourceCoords":[1481.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60976838583468,41.46686903325036]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0113/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p113","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0113/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0113","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"116.0,1854.5 90.4,72.4 581.0,58.8 618.1,57.8 619.5,155.0 1213.5,169.3 1239.2,305.8 1270.3,225.3 1280.9,168.8 1563.2,153.9 1591.3,1817.8 1663.6,1816.5 1663.9,1834.0 1624.5,1828.8 1251.6,1944.2 414.4,1948.9 153.7,1864.8 116.0,1854.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0113/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[648.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60840721340594,41.4636221536979]}},{"type":"Feature","properties":{"resourceCoords":[117.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60970893369705,41.46363616029242]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0114/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p114","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0114/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0114","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"294.8,1833.0 642.0,1888.1 1529.4,1804.2 1585.7,482.4 1525.0,124.3 1551.4,1.0 1518.8,1.0 1517.4,139.3 1006.1,168.8 1006.0,174.3 494.1,184.5 494.3,169.9 237.1,180.1 224.5,1815.5 294.9,1816.0 294.8,1833.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0114/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[478.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6054558,41.463631]}},{"type":"Feature","properties":{"resourceCoords":[989.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6041689,41.4636408]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p115 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.4,1723.3 496.2,1711.0 533.0,1710.0 534.4,1806.4 1122.8,1820.6 1148.3,1955.8 1179.1,1876.1 1189.6,1820.2 1469.3,1805.4 1464.2,1499.1 1571.4,1496.3 1565.1,1137.7 1560.0,722.0 1430.9,688.3 1442.4,50.0 1219.2,42.6 1118.2,102.2 1121.0,294.4 1121.0,295.1 1127.9,421.0 1131.3,475.2 1124.1,421.0 1122.7,421.0 1122.8,422.2 774.1,463.6 482.7,438.6 341.2,207.8 151.4,166.8 86.2,189.6 59.1,328.2 139.5,351.1 118.9,577.9 117.1,709.0 126.2,836.2 122.2,835.2 1.0,1135.4 1.0,1669.8 50.4,1723.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[533.0,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.608418,41.466886]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.605842,41.468691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p115 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1926.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2598.4"},{"label":"split_canvas_h","value":"1900.8"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"483.5,0.0 481.7,432.6 1124.1,421.0 1131.3,475.2 1127.9,421.0 1104.7,0.0 483.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0115__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[481.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60922005120386,41.46722034241771]}},{"type":"Feature","properties":{"resourceCoords":[1131.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60841662751795,41.46723629263413]}},{"type":"Feature","properties":{"resourceCoords":[1131.3,475.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60840118123254,41.46679324781563]}},{"type":"Feature","properties":{"resourceCoords":[481.7,475.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60920460491845,41.466777297599215]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0012","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.2,1652.1 71.6,1652.0 82.6,1240.0 79.0,1240.0 80.4,871.1 82.0,508.9 84.4,508.9 80.4,88.8 151.4,110.2 137.4,52.9 287.7,32.1 1521.8,59.4 1525.4,868.2 1521.9,1574.1 1519.5,1658.2 1518.4,1885.5 78.5,1866.3 91.2,1652.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1524.0,1250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.609098,41.486088]}},{"type":"Feature","properties":{"resourceCoords":[1524.0,506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.609107,41.487491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0013","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.6,103.8 1425.7,56.5 1426.1,73.7 1522.4,70.5 1521.5,311.8 1514.1,1050.4 1514.2,1233.3 1496.5,1234.7 1542.0,1514.2 1572.6,1514.2 1615.2,1840.7 1664.0,1846.0 1664.0,1952.7 140.2,1957.5 141.4,1733.5 143.0,1682.7 144.0,1647.8 148.2,928.1 145.1,103.5 155.6,103.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[150.0,921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60909455988005,41.48682115014507]}},{"type":"Feature","properties":{"resourceCoords":[1516.0,109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60573282080149,41.48833731268336]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p14","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0014","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,58.0 1.0,75.1 95.8,74.2 89.0,313.6 64.1,1046.5 59.9,1228.0 42.1,1228.8 80.6,1507.3 111.1,1508.1 145.5,1833.0 1126.5,1962.3 1124.5,1927.0 1245.9,1742.3 1326.0,1730.2 1386.1,1413.3 1545.6,1410.8 1540.8,1084.8 1448.0,1038.6 1509.7,424.9 1476.3,83.5 1274.7,41.3 1.0,58.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60596086748936,41.48854157036643]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60182349388982,41.48863368918014]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60167454756764,41.484874820619886]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60581192116717,41.484782701806175]}},{"type":"Feature","properties":{"resourceCoords":[611.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6044372,41.4884394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p18","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0018","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.7,1577.6 151.4,1577.7 151.7,1462.0 151.7,1416.2 101.3,1417.4 130.5,946.0 115.7,748.8 149.8,747.4 138.8,287.4 138.9,263.8 1523.3,93.1 1526.0,602.4 1527.8,732.3 1557.5,732.0 1557.6,733.0 1527.8,733.3 1530.3,950.0 1532.5,1235.5 1533.5,1444.4 1534.7,1577.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.63678440848507,41.485886878292355]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.63264521022688,41.48588739382336]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6326443766681,41.48212686753222]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.63678357492628,41.48212635200122]}},{"type":"Feature","properties":{"resourceCoords":[151.0,1021.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6364086,41.4839843]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p21","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0021","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.0,899.0 296.5,794.0 386.2,745.9 511.0,679.0 503.8,665.2 1007.1,319.8 967.3,245.2 1096.7,197.3 1270.9,405.6 1479.7,417.5 1577.2,366.3 1593.9,377.2 1556.4,1931.8 1531.3,1930.9 712.5,1902.1 702.0,1904.8 607.0,1952.7 579.4,1966.6 608.5,2017.0 576.3,2017.0 78.3,907.4 94.0,899.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[511.0,679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6288524,41.4829976]}},{"type":"Feature","properties":{"resourceCoords":[94.0,899.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62885,41.482111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.51"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0022","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1374.2,1758.2 150.0,1772.1 157.6,435.4 140.2,424.5 183.2,400.9 164.8,352.1 319.9,267.1 407.2,135.1 1053.7,133.4 1358.4,192.5 1489.2,240.8 1392.5,1516.5 1377.3,1718.0 1374.2,1758.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[680.0,1494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62537812402594,41.48497054433725]}},{"type":"Feature","properties":{"resourceCoords":[1426.0,141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62739944483629,41.48735882025004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p23 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0023","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1664.0,1507.8 1664.0,1407.8 1595.7,1292.7 1551.2,1209.4 1553.2,1058.0 1532.7,67.0 1175.8,53.4 133.1,13.8 111.5,13.0 163.0,1213.5 419.9,1205.3 420.2,1230.6 431.8,2017.0 788.8,2017.0 934.1,1931.7 1500.2,1605.2 1620.3,1533.8 1664.0,1507.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62421719107104,41.48597918026572]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62067355661642,41.48439006727233]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6232264955605,41.48114982775644]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62677013001512,41.48273894074983]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0024","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.4,311.6 1618.1,290.6 1664.0,268.0 1663.8,1.0 1583.2,1.0 1557.5,59.2 1556.7,104.0 13.1,49.7 36.3,1037.1 34.8,1188.0 79.4,1270.8 147.7,1385.4 148.0,1484.9 191.5,1458.9 468.2,1293.4 918.5,1024.0 1123.6,904.9 1583.4,632.7 1614.2,614.5 1639.7,656.9 1631.4,604.3 1587.4,311.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62100447909289,41.484501482590716]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61745380138592,41.48289907018657]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62002807768782,41.47965235463719]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62357875539479,41.481254767041335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p25 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0025","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"800.6,1877.3 810.0,1877.0 1362.8,1882.5 1497.2,1886.6 1436.6,1732.9 1136.0,972.0 1048.8,744.4 789.8,90.0 769.2,63.5 698.9,31.1 627.0,377.6 315.4,1881.6 359.4,1889.7 413.2,1924.8 399.8,2003.5 800.6,1877.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1136.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6191893,41.4848914]}},{"type":"Feature","properties":{"resourceCoords":[810.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6173767,41.4837031]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0026","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.9,535.0 135.7,603.4 75.6,1615.8 63.4,1763.5 58.4,1847.5 745.4,1869.3 735.7,1832.0 934.6,1822.8 930.4,1806.5 1326.4,1793.5 1328.2,1809.7 1597.7,1819.4 1502.8,227.8 1480.0,220.2 1351.8,175.5 821.2,2.6 815.6,1.0 140.9,1.0 114.1,537.1 142.9,535.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1468.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61675425933588,41.48487594783398]}},{"type":"Feature","properties":{"resourceCoords":[656.0,1585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61348854523915,41.48319670094251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0027","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.4,732.7 105.0,735.6 121.5,344.1 137.6,343.6 167.2,78.7 1620.0,101.1 1619.9,117.9 1622.8,670.0 1614.2,937.9 1599.8,1057.3 1546.4,1245.8 1543.0,1501.0 1597.4,1507.9 1593.7,1805.1 1664.0,1815.1 1664.0,1818.9 1512.7,1984.3 1512.2,2017.0 321.8,2017.0 322.2,1898.5 113.3,1602.8 80.8,1598.4 153.2,922.6 115.7,929.5 121.4,732.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61132694101092,41.483511868856326]}},{"type":"Feature","properties":{"resourceCoords":[1171.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61021941947259,41.483660461222115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0028","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.0,112.7 70.5,675.1 65.4,948.2 52.2,1070.0 1.0,1259.2 1.0,1523.0 55.9,1529.2 56.2,1832.0 313.6,1865.0 558.6,1898.5 640.6,1909.7 1664.0,1761.0 1664.0,1709.9 1621.8,1705.1 1614.5,615.9 1596.9,615.8 1598.5,421.6 1593.1,421.5 1561.3,65.1 59.8,87.8 60.0,112.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60924907378015,41.48506656947341]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60517843662353,41.485046700720645]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60521035592552,41.48132455423556]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60928099308214,41.48134442298833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p29 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4678.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1112.4,2012.4 1166.0,1176.2 1083.3,200.0 115.4,97.5 115.5,207.3 77.6,207.5 106.0,573.2 111.6,573.4 107.8,772.5 125.8,772.8 121.4,1889.5 1112.4,2012.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1128.5,787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6029023,41.4838931]}},{"type":"Feature","properties":{"resourceCoords":[1128.5,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.602899,41.483294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p29 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4678.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1982.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1664.0,69.7 1600.2,68.6 1596.9,92.8 1319.1,72.3 1197.3,986.2 1247.7,988.1 1374.7,1997.0 1384.8,1933.0 1503.5,1192.1 1595.0,622.7 1645.1,285.1 1664.0,157.8 1664.0,118.2 1664.0,69.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1395.3,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60709832054776,41.481504249957155]}},{"type":"Feature","properties":{"resourceCoords":[1682.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60296069656067,41.48101123733848]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p30","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0030","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1418.0,1827.0 849.2,1827.0 282.8,1821.7 282.8,948.2 277.4,61.7 849.9,145.8 1189.2,191.6 1317.2,208.8 1405.6,207.7 1405.8,143.6 1439.7,147.9 1519.6,518.4 1476.0,838.0 1512.3,1477.2 1483.3,1760.5 1418.0,1831.2 1418.0,1827.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[850.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.604288,41.479663]}},{"type":"Feature","properties":{"resourceCoords":[1414.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60289,41.479663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p36","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0036","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.7,474.5 126.1,959.8 88.9,1281.4 163.4,1532.5 158.4,1550.7 159.6,1604.9 1002.5,1722.3 1159.4,1832.7 1242.3,1869.7 1308.8,1879.6 1595.0,1891.3 1555.8,1477.0 1534.2,1311.3 1531.1,1251.9 1544.9,644.5 1551.1,208.3 1551.3,197.4 152.3,163.4 155.4,46.4 156.5,1.0 105.5,1.0 64.7,474.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[466.0,1678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6355455,41.4801736]}},{"type":"Feature","properties":{"resourceCoords":[144.0,455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6364101,41.4824099]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0037__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p37 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0037__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0037","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.8,139.0 1456.3,137.8 1122.7,136.4 1091.0,136.4 860.2,133.6 614.0,134.0 613.9,149.7 1.0,218.1 1.0,303.8 86.5,315.4 125.9,896.4 98.2,1752.6 1.0,1756.3 1.0,1793.5 286.3,1793.3 495.8,1793.6 640.1,1793.3 1072.3,1791.9 1084.2,1035.7 1085.4,884.8 1129.3,827.9 1129.3,671.0 1129.3,671.0 1194.2,670.1 1202.7,670.0 1241.3,669.5 1251.5,669.4 1599.0,218.5 1587.8,139.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0037__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[614.0,134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6288524,41.4829976]}},{"type":"Feature","properties":{"resourceCoords":[1092.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6329571,41.4820877]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p38 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"3509.2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.2,444.6 285.9,507.2 1264.6,867.0 1490.4,865.2 1526.5,138.8 1424.5,132.4 1424.8,96.1 1570.7,97.0 1572.6,97.0 1412.6,1.0 1246.4,1.0 1245.2,66.6 1244.7,97.7 1303.0,95.4 1288.0,124.0 71.0,48.0 71.0,61.5 71.7,392.2 71.5,444.6 102.2,444.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[85.0,549.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62881374420894,41.48113783815802]}},{"type":"Feature","properties":{"resourceCoords":[85.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62881453060443,41.48199315547168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p38 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3455.2"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"4616.8"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1675.4 1.0,2017.0 929.1,2017.0 1435.8,1179.5 1480.5,1054.8 1482.0,1050.4 1516.7,953.4 1524.7,931.2 1537.0,896.8 1213.3,899.1 1111.5,899.8 971.8,900.8 318.0,896.8 1.0,897.3 1.0,934.1 103.3,939.7 72.3,1674.3 1.0,1675.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0038__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[318.0,896.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.624673,41.481986]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,896.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.621656,41.48197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p39","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0039","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.7,1389.2 375.1,1436.4 1206.0,1949.2 1205.5,2001.2 1230.2,2017.0 1586.2,2017.0 1452.6,1950.1 1531.9,1840.8 1554.3,1848.4 1581.4,1304.4 1583.8,1304.3 1573.0,557.7 1422.6,501.2 1187.0,412.0 605.6,182.6 348.4,79.0 348.2,69.3 155.1,1.0 102.4,1.0 102.2,35.8 98.6,570.5 95.0,807.9 94.0,1333.0 128.2,1345.6 246.7,1389.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1187.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6193637,41.4799402]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1333.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.621656,41.48197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0040","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.7,214.2 164.4,1.0 1.0,1.0 1.0,1279.0 430.1,1676.6 410.2,1808.5 571.2,1807.3 623.5,1855.7 668.3,1897.2 677.9,1881.7 788.0,1847.0 779.6,1861.9 881.5,1830.8 1352.7,902.5 1386.1,814.2 1465.4,604.5 1481.7,561.8 1503.8,503.2 1538.0,412.9 1551.4,377.5 1566.5,337.6 1575.1,315.8 1625.0,176.4 880.0,198.8 879.9,196.4 336.5,177.8 343.8,155.3 233.4,77.9 167.7,214.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[890.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62155845695081,41.478868230725574]}},{"type":"Feature","properties":{"resourceCoords":[1566.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61987703237695,41.478851130393046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0041__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p41 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0041__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0041","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.8,1866.0 477.2,1875.0 1592.5,1900.5 1572.6,1362.9 1586.8,1363.2 1606.5,961.7 1564.8,961.1 1575.5,104.1 1575.7,91.4 904.7,1.0 847.3,1.0 847.0,1.7 732.0,271.2 694.3,361.3 640.9,511.5 631.4,511.5 526.0,763.0 292.6,1331.5 201.7,1561.9 90.9,1844.8 81.8,1866.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0041__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[526.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.618797,41.4810226]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6161736,41.4823783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0042","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1317.0,1919.3 1317.0,1932.2 1287.1,1932.0 803.6,1927.2 772.4,1926.9 131.0,1920.3 103.4,1363.9 118.1,1364.0 133.3,948.0 90.1,947.9 90.0,60.4 90.0,17.8 158.8,30.1 1181.7,164.6 1330.7,187.6 1448.9,203.2 1664.0,505.3 1664.0,1798.8 1489.8,1798.2 1317.0,1919.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[800.0,946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61443471223845,41.480686742458026]}},{"type":"Feature","properties":{"resourceCoords":[800.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61443139425698,41.47993034969094]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0044","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1480.2,1924.5 1471.1,1056.7 1456.5,175.9 715.4,75.2 571.0,55.8 330.6,23.8 150.2,1.2 149.2,1.1 1.0,172.7 1.0,1935.4 329.9,1928.8 925.1,1926.5 1480.2,1924.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1472.0,1060.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60569188269366,41.47966378200385]}},{"type":"Feature","properties":{"resourceCoords":[1472.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60566912384651,41.48128602090913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0051","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.5,184.6 983.6,275.3 1145.6,381.7 1230.5,416.3 1298.1,424.1 1587.5,426.6 1591.8,493.9 1601.6,1007.5 1604.2,1157.4 1604.6,1661.8 1601.7,1957.5 1597.0,2017.0 1593.0,2017.0 1550.8,1988.8 1459.7,1927.6 1462.3,1899.5 1262.2,1871.6 811.4,1971.5 470.1,1878.0 423.9,1663.7 304.3,1524.0 295.4,1331.5 93.0,1022.2 72.7,348.7 125.5,129.9 128.5,184.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63462872462723,41.47911171975368]}},{"type":"Feature","properties":{"resourceCoords":[152.0,405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63624981716538,41.47989235384889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0053","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1432.9,1845.5 983.2,1868.0 983.3,1850.0 313.1,1880.9 313.1,1877.2 313.7,1377.3 310.8,1311.6 267.2,904.8 243.9,742.1 240.2,683.7 246.3,86.3 996.9,101.9 1146.6,103.8 1202.9,147.7 1358.7,148.5 1359.2,212.9 1359.7,269.8 1664.0,506.7 1664.0,509.9 1664.0,636.1 1531.1,653.3 1456.2,680.0 1443.7,721.5 1443.0,1015.3 1434.7,1662.8 1432.9,1845.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[986.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63108061515715,41.48038925938917]}},{"type":"Feature","properties":{"resourceCoords":[297.0,102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63282997085192,41.48209609638041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p54","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0054","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1027.8,1841.6 1027.8,1786.7 1664.0,1960.8 1664.0,382.1 798.4,63.2 616.5,1.0 582.8,1.0 582.5,78.3 503.3,90.0 386.5,1.0 360.2,1.0 361.3,110.7 228.0,129.4 153.1,156.9 140.9,198.8 143.3,493.9 141.8,1144.5 141.9,1439.5 141.9,1624.5 141.5,1881.2 587.1,1864.5 587.1,1871.8 1027.8,1841.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[584.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6288417,41.479979]}},{"type":"Feature","properties":{"resourceCoords":[142.0,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.629938,41.4784253]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p55","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0055","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"314.1,803.8 315.6,307.7 313.6,164.0 990.3,121.7 990.5,139.8 1444.6,109.5 1445.3,221.8 1446.3,407.9 1449.1,1034.6 1452.0,1678.0 1356.1,1848.5 1295.1,1806.5 790.9,1701.0 790.9,1709.3 572.8,1715.2 334.4,1922.8 103.8,1772.9 170.7,1064.7 260.1,1125.2 305.4,1153.1 310.2,1094.7 314.1,803.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[314.0,780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.632742,41.477625]}},{"type":"Feature","properties":{"resourceCoords":[1452.0,1678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.629938,41.475952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p56","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0056","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"595.7,1815.5 593.9,1870.7 632.6,1920.3 632.4,2017.0 1638.7,2017.0 1664.0,1542.9 1664.0,160.7 1066.0,1.0 1037.5,1.0 1037.7,47.9 600.4,80.6 600.3,73.4 158.0,92.8 159.7,456.5 162.8,1091.5 68.2,1259.8 113.2,1291.5 595.7,1815.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,1103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62886031323204,41.4759265932585]}},{"type":"Feature","properties":{"resourceCoords":[145.0,1103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62998267294279,41.47593062326135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0057__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p57 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0057__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0057","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1559.8,1466.8 1551.7,737.3 1547.5,737.4 1543.0,138.0 1130.8,140.0 790.1,143.6 632.2,90.9 592.1,198.2 570.9,187.2 600.6,288.0 586.1,279.6 619.2,388.5 634.4,398.1 545.5,493.2 545.5,649.0 545.5,652.0 545.5,652.0 416.4,631.5 1.0,1076.0 1.0,1991.5 1141.9,1990.3 1625.9,2015.8 1513.2,1455.5 1559.8,1466.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0057__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62114848136794,41.47724118343577]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62117290975472,41.47407429230929]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62625993057499,41.474096632056465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62623550218821,41.47726352318295]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p58","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0058","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1429.6,86.5 1418.8,146.6 1277.1,145.1 300.3,152.3 299.0,752.0 303.3,752.0 304.4,1481.9 257.5,1470.1 362.7,2017.0 690.0,2017.0 801.7,1857.5 899.4,1711.6 926.8,1670.2 946.3,1642.0 971.6,1605.5 1069.8,1418.6 1156.4,1212.1 1196.1,1090.8 1320.8,745.6 1544.0,148.0 1517.6,147.7 1517.5,1.0 1467.4,1.0 1466.5,147.2 1429.6,146.7 1430.5,89.2 1429.6,86.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[299.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62303,41.474306]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.621496,41.47196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p59","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0059","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.3,1725.8 1570.4,1833.7 633.9,1327.3 546.6,1291.7 296.9,1189.7 239.0,1166.0 114.6,1115.2 75.2,1099.1 83.0,697.9 94.6,99.0 557.2,197.5 557.8,129.8 1090.8,136.1 1090.3,171.1 1088.6,296.2 1590.8,142.3 1596.4,142.3 1582.7,1715.0 1603.6,1722.4 1613.3,1725.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6171411,41.4790883]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6170896,41.4759833]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62211260000001,41.4759365]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6221641,41.4790415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p6","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.37"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0006","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.9,2017.0 1519.5,1888.2 1522.4,1383.3 149.1,1537.4 148.6,1560.9 154.4,2017.0 120.6,2017.0 90.4,1545.7 128.1,96.3 982.7,41.2 1398.4,89.0 1504.4,233.7 1552.2,456.7 1468.7,864.9 1572.5,1210.5 1527.6,1375.1 1549.3,2017.0 1519.9,2017.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6368558,41.4882819]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6326784,41.4883168]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6326219,41.484523900000006]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6367993,41.484489]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p60","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0060","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1121.0,1271.2 1082.0,1272.0 1085.0,1758.1 664.6,1757.5 317.2,1759.0 146.8,1701.3 125.8,1694.2 120.6,121.4 1076.6,121.8 1101.3,121.3 1121.0,1271.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1082.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.620309,41.474314]}},{"type":"Feature","properties":{"resourceCoords":[616.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.617447,41.475184]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0061","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.1,1613.8 1607.4,1613.8 1098.0,1778.8 1097.8,1651.3 1097.7,1615.6 554.4,1617.9 554.8,1686.8 81.8,1593.9 86.0,410.3 86.1,379.1 114.5,378.8 506.2,374.3 686.2,373.8 887.2,328.0 964.2,315.9 1087.8,313.4 1612.9,311.2 1613.1,1613.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1092.0,1605.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61742007130431,41.47706128396147]}},{"type":"Feature","properties":{"resourceCoords":[1092.0,320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61428205428234,41.47705321827749]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0062","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.9,318.7 1065.8,323.9 1063.7,746.7 1057.2,1175.5 1055.0,1607.9 94.2,1603.1 104.9,318.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1065.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61639110777618,41.47431047446676]}},{"type":"Feature","properties":{"resourceCoords":[596.0,1603.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61743957661433,41.47517684377375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0063","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"543.4,1937.1 720.9,1937.2 919.1,1892.5 995.1,1880.7 1116.9,1878.7 1634.7,1878.3 1625.5,45.6 581.9,45.6 581.5,1.0 1.0,1.0 1.0,1262.0 119.8,1431.5 132.5,1431.5 132.4,1449.5 132.3,1461.1 129.2,1940.5 157.2,1940.2 474.5,1937.7 543.4,1937.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0063/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60964481905103,41.479133928127965]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60964474771036,41.476043796378804]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61460864914204,41.47604373114017]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61460872048269,41.479133862889334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0064","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1261.7,1209.6 1082.6,1452.2 1083.0,1880.1 124.1,1864.6 143.6,48.0 641.5,55.8 916.3,63.8 907.5,125.8 1153.9,144.2 1225.0,239.7 1345.8,241.6 1374.9,1291.0 1261.7,1209.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61421610473126,41.47431572447657]}},{"type":"Feature","properties":{"resourceCoords":[626.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61423399645835,41.475167131650096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0065","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"236.2,1629.5 241.6,1119.5 252.9,52.7 319.2,52.8 745.4,53.2 1358.0,63.9 1583.5,67.8 1583.8,609.6 1580.4,609.5 1577.0,1089.6 1582.8,1469.0 1579.4,1855.7 1518.8,1849.7 633.4,1966.6 229.4,1910.9 236.2,1629.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[762.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60850947740697,41.47707380087674]}},{"type":"Feature","properties":{"resourceCoords":[762.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60847711379144,41.47479000975275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0066","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.4,1447.4 78.1,1070.0 77.1,592.5 80.4,592.5 75.2,53.7 419.4,56.5 995.6,62.7 1574.4,63.5 1574.4,67.7 1552.0,91.8 1610.7,439.3 1616.6,1496.1 1564.4,1850.8 854.9,1901.6 87.5,1832.0 87.4,1447.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1557.0,1450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6029177605346,41.47550719061203]}},{"type":"Feature","properties":{"resourceCoords":[1557.0,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60292238296674,41.47802793273982]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p67 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4442.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"3630.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.8,1785.7 188.7,2017.0 1391.7,2017.0 1367.3,1924.7 1406.8,1612.3 1410.8,1612.2 1371.0,1495.8 1340.3,1373.1 1303.7,1156.4 1164.0,1154.7 471.6,1153.2 396.9,1175.4 157.2,1262.0 156.4,1262.0 81.1,1269.3 39.1,1354.0 3.7,1262.0 3.6,1262.0 4.3,1432.5 5.8,1778.3 106.8,1785.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[422.0,1849.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.611999,41.468589]}},{"type":"Feature","properties":{"resourceCoords":[422.0,1154.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61152,41.469875]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p67 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"5048.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1126.5,1110.5 1126.5,1110.5 1136.2,1112.8 1494.9,1198.0 1550.8,1198.0 1568.0,1198.0 1618.1,695.6 1615.1,694.8 1604.5,105.2 566.9,136.1 565.5,96.6 73.9,105.9 97.5,1105.8 98.2,1251.0 98.2,1261.0 160.0,1261.0 576.5,1110.5 1126.5,1110.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0067__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[584.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6202928112838,41.47252826811494]}},{"type":"Feature","properties":{"resourceCoords":[100.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62145439334274,41.474334825236824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0068","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.0,1218.5 1.0,1218.9 1.0,1300.8 848.4,1851.3 910.1,1860.3 959.6,1756.5 1582.2,1656.3 1589.9,1658.5 1558.0,1186.9 1532.6,1186.2 1505.0,70.8 1077.9,79.0 644.6,82.9 207.7,91.3 208.7,116.4 83.0,121.0 97.7,712.9 100.8,713.8 54.0,1218.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.0,1531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61621670457056,41.47166305545946]}},{"type":"Feature","properties":{"resourceCoords":[1508.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6142594056296,41.47429256048627]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p69","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0069","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.5,1168.5 81.5,1166.8 96.2,64.5 524.2,65.3 766.4,245.2 684.6,358.2 1664.0,334.1 1664.0,473.6 1506.8,475.7 1483.5,947.2 1590.7,1036.3 1616.7,1196.5 1606.6,1733.5 1509.1,1898.7 1196.0,1950.9 608.5,1918.1 464.0,1879.1 329.4,1702.3 120.4,1635.3 106.5,1168.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[761.0,1671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6125424068211,41.4713550062071]}},{"type":"Feature","properties":{"resourceCoords":[380.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61356127032279,41.474296096429946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0070","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"231.1,1572.0 338.4,1571.8 340.5,1212.6 345.0,796.2 216.6,759.5 242.9,120.8 325.5,125.4 391.6,67.8 865.4,42.9 1535.3,85.3 1619.5,457.6 1617.8,1448.4 1568.8,1678.0 1535.3,1678.0 1534.0,1820.0 1013.0,1850.6 1012.9,1856.3 491.2,1867.2 491.4,1852.3 229.2,1863.0 231.1,1572.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[678.0,890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60501708623055,41.468522948089074]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,1157.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60288602100933,41.468042882784715]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p76","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0076","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"539.0,1807.9 539.0,1817.9 110.9,1860.5 66.5,738.6 63.5,736.6 302.2,527.5 521.2,521.0 521.1,512.7 1027.7,617.1 1089.1,659.1 1135.0,691.1 1627.2,1223.0 1625.5,1279.2 1664.0,1328.3 1664.0,1793.9 1609.9,1792.8 1607.9,1856.3 539.0,1807.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[725.0,416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63106923749517,41.47609042993428]}},{"type":"Feature","properties":{"resourceCoords":[532.0,1620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63156616766794,41.473871486170964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p77","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0077","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.7,1834.9 73.8,271.2 89.3,126.5 169.2,90.9 168.9,80.0 593.5,44.0 593.5,34.1 1651.3,97.2 1572.1,1864.8 588.1,1946.9 587.9,1891.8 116.5,1892.7 62.7,1834.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[588.0,1491.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63154037763317,41.47080989025207]}},{"type":"Feature","properties":{"resourceCoords":[115.0,1491.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63271660366908,41.47080361087462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p78","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0078","type":"ImageService3","width":1680,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.6,1981.8 1440.0,1941.9 1445.9,1885.5 1630.4,1876.7 1624.9,1458.7 1677.2,1456.3 1590.8,573.5 1556.0,467.7 1557.6,390.9 1567.8,336.7 1572.3,312.2 1587.5,210.8 1557.7,191.6 1553.3,188.9 1514.0,164.6 1360.1,68.3 1257.2,1.0 84.3,1.0 65.8,1841.3 129.6,1981.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0078/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6291203,41.4735424]}},{"type":"Feature","properties":{"resourceCoords":[1680.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6250265,41.4734576]}},{"type":"Feature","properties":{"resourceCoords":[1680.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.625163,41.469760400000006]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6292568,41.4698452]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3253.2"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"4818.8"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0007","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1402.8,1990.2 1405.7,1834.3 1407.7,1339.5 1367.3,1324.7 1267.0,1259.7 1498.5,853.9 321.6,905.2 190.2,1107.8 246.5,1388.1 350.5,1298.5 1402.8,1990.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[315.0,1278.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62719972259798,41.487409814778594]}},{"type":"Feature","properties":{"resourceCoords":[1399.0,1979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62450205858067,41.48611485172195]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0008","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1352.1,1873.0 1294.9,1925.8 436.8,1342.5 386.4,1308.2 222.8,1197.0 227.9,1041.9 237.6,549.7 197.6,534.4 98.8,468.1 335.3,67.9 1175.7,44.2 1175.7,57.7 1404.9,59.0 1401.0,568.8 1389.2,1436.6 1384.5,1864.2 1352.1,1873.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[653.0,1493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62340474252099,41.4855566496716]}},{"type":"Feature","properties":{"resourceCoords":[220.0,558.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62453044353198,41.48728802526297]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p87","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0087","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"578.2,97.2 578.7,153.0 1575.5,64.9 1576.5,37.3 1635.7,178.7 1648.6,1790.8 1664.0,1792.3 1664.0,1808.1 1664.0,1820.0 1654.2,1891.3 1178.8,1944.7 78.3,1890.9 60.1,174.3 100.5,100.5 578.2,97.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0087/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[584.0,1715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63151070615015,41.46708816086684]}},{"type":"Feature","properties":{"resourceCoords":[114.0,1715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63266409549044,41.46708627418063]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p88","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0088","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1578.2,1859.7 1207.1,1833.4 1207.6,1841.2 617.5,1800.9 530.2,1777.1 89.0,1762.4 60.9,1759.2 72.5,158.4 1365.4,177.3 1373.8,122.0 1575.6,121.5 1610.1,1429.3 1608.2,1429.3 1578.2,1859.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0088/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1174.0,1433.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62616125317693,41.46759301355523]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62561771359094,41.4700505806807]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p89","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0089","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"310.7,1789.2 89.7,1787.7 106.5,1380.0 157.6,1380.5 120.3,515.4 92.0,410.4 97.6,335.7 116.1,259.8 136.2,161.7 172.5,188.0 358.8,291.4 565.0,383.5 686.5,426.3 1031.8,560.1 1629.5,799.0 1607.4,1812.1 310.7,1789.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0089/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1033.0,563.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6230008447058,41.472371650057184]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62153267777097,41.4700819466131]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0009","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"212.9,1884.7 925.5,1895.0 1172.2,1901.3 1503.6,1906.4 1505.2,1468.0 1508.9,1468.0 1514.2,1059.2 1504.7,1059.1 1526.0,595.3 1371.4,595.0 1359.5,595.0 1367.1,556.0 1620.1,110.9 1589.3,116.6 1481.2,56.3 258.1,41.2 1.0,48.8 1.0,62.5 231.2,63.5 227.9,577.8 217.2,1453.3 212.9,1884.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1345.0,595.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.618821,41.487317]}},{"type":"Feature","properties":{"resourceCoords":[222.0,1055.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.621577,41.4864269]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p90","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0090","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.6,1922.9 52.9,1773.3 81.2,1775.1 108.3,1342.1 110.2,1342.1 66.4,27.2 271.2,25.2 1588.9,27.1 1584.3,838.9 1579.4,1718.5 1578.6,1870.9 1578.3,1918.9 317.5,1922.2 82.6,1922.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[278.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62468555008141,41.46862646483153]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6214872230011,41.46665144320595]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p91","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0091","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.0,1054.7 150.0,1865.1 197.4,1864.7 1588.4,1852.8 1570.1,1366.8 1576.0,1366.8 1564.0,898.6 1581.6,898.5 1602.2,446.1 1648.7,459.8 1503.7,115.5 1505.5,1.0 150.3,1.0 150.0,27.0 150.0,1054.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0091/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[150.0,910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6214854,41.470331]}},{"type":"Feature","properties":{"resourceCoords":[150.0,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.621496,41.47196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p92 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5786.4"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1083.8,1842.6 1119.8,1813.8 986.8,1765.7 673.4,1346.2 470.6,961.8 467.7,713.8 560.4,471.9 903.5,523.6 107.0,1.0 1.0,1.0 1.0,137.1 151.3,476.0 104.4,463.1 91.2,914.8 73.6,915.2 93.2,1382.0 87.3,1382.2 113.7,1866.8 885.3,1847.6 1083.8,1842.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61815824913278,41.47205834027674]}},{"type":"Feature","properties":{"resourceCoords":[1446.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61461289189575,41.472027320178164]}},{"type":"Feature","properties":{"resourceCoords":[1446.6,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61467022240295,41.46829634247837]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2018.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61821557963998,41.46832736257694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p92 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2188.4"},{"label":"split_canvas_y","value":"2063.6"},{"label":"split_canvas_w","value":"4471.6"},{"label":"split_canvas_h","value":"6008.4"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.5,1922.4 1562.5,2017.0 1664.0,2017.0 1664.0,1970.7 1613.3,1947.0 1583.0,1570.0 1481.8,1535.0 1574.1,1181.4 1620.7,1003.3 1613.9,932.7 1538.5,844.6 1121.8,760.8 859.9,600.9 688.9,580.8 608.1,648.6 617.8,826.5 975.8,1549.1 976.8,1626.1 1069.2,1693.2 1560.5,1922.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0092__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1223.0,800.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61358299169815,41.47027608223458]}},{"type":"Feature","properties":{"resourceCoords":[1638.0,916.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61258011889548,41.47005578110477]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p93","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0093","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1439.6,769.5 1430.8,769.5 1422.5,347.9 1351.7,347.4 1350.5,143.8 1260.9,144.4 1268.0,179.0 1270.8,197.9 1060.6,1.0 418.6,1.0 186.8,472.3 119.8,560.7 225.1,561.5 244.2,871.6 169.2,1065.4 196.9,1101.2 198.1,1296.0 200.8,1800.2 669.9,1838.9 669.9,1822.3 1070.0,1829.5 1070.0,1813.0 1442.5,1802.0 1439.7,802.5 1439.6,769.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1072.0,766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61469949166329,41.4669952016164]}},{"type":"Feature","properties":{"resourceCoords":[1442.0,766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.614692129268,41.46630251286477]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1952 | sanborn06648_061 p94","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:44:05Z","modified":"2026-10-17T04:44:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0094","type":"ImageService3","width":1665,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1449.7,1768.3 1450.0,1812.0 1274.0,1812.0 1076.0,1812.0 206.6,1812.0 206.2,1765.1 192.2,133.7 663.8,171.1 663.6,154.5 1065.8,160.5 1065.6,143.8 1439.9,131.6 1449.7,1768.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195206:06648_06_1952-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1076.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6214633,41.466949]}},{"type":"Feature","properties":{"resourceCoords":[1450.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6214588,41.4662521]}}]}}]}