{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06648_047.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cleveland, Ohio | 1950 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"102"},{"label":"placed","value":"95"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 55, georef-snap 40"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p0__2 (tier 1, 41.47317,-81.56430 +/-100m); p19__1 (tier 1, 41.47320,-81.60027 +/-176m); p54__2 (tier 1, 41.47076,-81.57909 +/-103m); p54__3 (tier 1, 41.47161,-81.58029 +/-100m); p54__4 (tier 1, 41.47162,-81.57657 +/-100m); p6__1 (tier 1, 41.47634,-81.58665 +/-500m); p98__1 (tier 1, 41.44021,-81.56515 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0010","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.6,1642.0 64.1,1311.3 64.8,1164.4 69.0,1114.7 79.7,1052.4 81.8,1009.1 80.5,876.5 80.3,555.5 78.2,426.8 74.2,372.8 76.3,350.1 95.2,325.4 115.2,314.7 75.5,73.5 283.2,69.5 283.3,53.0 327.8,51.2 357.8,55.8 518.9,55.5 519.0,44.2 791.8,34.0 791.9,39.4 1092.0,42.6 1092.0,44.7 1285.0,48.0 1320.7,47.0 1320.7,30.1 1556.5,31.3 1556.7,62.7 1558.2,76.1 1588.3,125.5 1564.0,508.1 1595.2,818.8 1558.0,820.0 1560.0,865.0 1595.9,864.4 1569.9,1811.8 1600.0,1861.1 1599.7,1934.1 1559.1,1934.5 1559.1,1898.0 1559.0,1859.1 1185.2,1845.2 1155.8,1849.1 391.4,1849.2 302.4,1840.8 65.9,1841.7 67.6,1642.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.568548512004,41.455022130710546]}},{"type":"Feature","properties":{"resourceCoords":[1551.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.56490593176409,41.45425039420492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0011","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1609.0,1794.2 86.4,1772.1 74.4,1771.9 59.5,182.6 165.1,123.6 936.9,191.2 1624.4,400.4 1609.0,1794.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1365.0,323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59977033099398,41.480665972509605]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1777.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59914803043003,41.47805585600776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p12","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0012","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.0,1720.2 31.9,178.2 44.0,178.3 1565.3,185.0 1578.3,691.2 1562.4,691.2 1550.2,1219.0 1556.0,1219.0 1545.8,1736.9 1072.0,1737.0 13.6,1733.4 62.0,1720.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1072.0,1737.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.600355,41.475253]}},{"type":"Feature","properties":{"resourceCoords":[1577.0,185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59915,41.478025]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0013","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"403.0,1930.0 56.6,1926.5 50.3,1424.5 61.8,1424.7 81.2,32.6 1032.7,67.3 1566.0,220.0 1563.6,1452.4 1550.1,1452.0 1545.5,1892.3 1255.9,1876.6 878.0,1875.9 878.4,1924.0 878.0,1924.0 644.0,1926.0 574.0,1930.0 533.3,1932.7 515.0,1933.0 515.0,1933.8 413.0,1930.0 403.0,1930.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[64.0,-35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59918948428289,41.48065267490747]}},{"type":"Feature","properties":{"resourceCoords":[497.0,1910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5980895592607,41.47716138057343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0014","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.8,1278.1 66.8,43.8 81.1,46.0 116.0,55.5 641.2,57.8 1158.3,195.2 1511.3,129.2 1571.2,151.9 1602.7,280.3 1605.6,292.2 1568.8,309.3 1570.3,933.9 1562.0,934.0 1563.0,980.0 1570.4,980.1 1571.2,1322.9 1572.2,1891.8 958.5,1861.5 958.6,1870.1 357.8,1869.2 357.8,1871.9 60.0,1869.6 61.2,1277.8 74.8,1278.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[952.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59343642939089,41.478016623826754]}},{"type":"Feature","properties":{"resourceCoords":[1566.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59196341014285,41.47802143224038]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0015","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.2,1823.1 44.9,1053.4 45.4,977.0 68.0,976.0 67.0,929.0 45.7,929.6 51.9,29.9 59.8,14.2 81.8,13.3 89.2,13.1 91.5,23.1 1144.2,67.7 1491.5,155.8 1594.8,361.8 1590.3,1809.3 1468.1,1883.5 1240.6,1895.6 1239.4,1910.2 1157.3,1865.4 1175.0,1926.0 1174.3,1926.0 1129.0,1923.0 1021.4,1928.6 1009.0,1928.8 896.4,1796.1 750.7,1791.7 749.6,1782.5 648.4,1782.8 613.1,1793.5 612.2,1867.0 38.8,1878.8 39.2,1823.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[59.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59191799318347,41.478000566051556]}},{"type":"Feature","properties":{"resourceCoords":[59.0,-18.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59195140088282,41.47984805425174]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016__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 | 1950 | sanborn06648_047 p16 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"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":"6472.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1504.6,1812.0 1575.3,1304.0 1617.0,1309.6 1617.0,1272.1 1617.0,1264.2 1574.8,1265.3 1541.0,1228.6 1529.4,870.2 1594.2,849.6 1563.6,688.7 1380.9,544.8 1223.4,223.3 1231.5,126.7 1151.4,82.5 1174.9,164.3 1022.9,163.8 896.5,13.8 754.0,9.0 753.1,1.0 653.9,1.0 653.0,9.0 619.4,10.3 618.3,82.1 57.5,91.6 50.3,745.8 40.1,1650.0 39.7,1686.3 37.5,1875.4 1408.6,1887.4 1408.6,1886.3 1504.6,1812.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[50.0,778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.591928,41.475222]}},{"type":"Feature","properties":{"resourceCoords":[1416.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.588583,41.474109]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016__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 | 1950 | sanborn06648_047 p16 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4690.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1781.2"},{"label":"split_canvas_h","value":"2188.4"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.3,449.2 1383.2,449.6 1520.8,514.5 1613.0,474.6 1602.5,84.5 1498.8,18.0 1500.9,1.0 1432.1,1.0 1334.2,347.8 1355.6,393.9 1396.2,405.6 1382.3,449.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1172.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58892358786356,41.47495050708077]}},{"type":"Feature","properties":{"resourceCoords":[1618.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58790614470291,41.47520789130117]}},{"type":"Feature","properties":{"resourceCoords":[1618.0,547.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58748502175395,41.474272511255265]}},{"type":"Feature","properties":{"resourceCoords":[1172.7,547.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5885024649146,41.47401512703487]}},{"type":"Feature","properties":{"resourceCoords":[1694.9,481.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.587361,41.474429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p17","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0017","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.2,784.7 60.5,784.7 73.5,261.3 89.3,260.9 435.6,260.5 445.3,262.7 445.6,260.4 547.5,263.1 676.4,253.8 910.6,249.2 909.6,201.2 1287.4,197.6 1576.9,210.2 1577.6,1307.4 1586.2,1307.5 1568.8,1769.3 1508.5,1846.7 1508.0,1934.3 1280.0,1931.0 1263.0,1938.0 1175.0,1932.0 978.0,1936.0 718.0,1927.0 545.0,1939.0 544.0,1948.0 520.0,1948.0 519.0,1939.0 499.0,1939.0 498.0,1948.0 425.0,1948.0 425.0,1940.0 415.0,1936.0 256.0,1932.0 237.0,1928.0 235.0,1924.0 84.1,1924.7 83.8,1789.6 55.9,1759.3 53.9,1759.3 50.5,1298.2 55.2,1298.2 66.2,784.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[522.0,263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.598107,41.477119]}},{"type":"Feature","properties":{"resourceCoords":[1294.0,1304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596247,41.475246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p18","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0018","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7.6,1912.7 8.6,1912.7 481.2,1910.2 1576.8,1906.8 1569.5,1102.4 1557.0,1102.0 1559.0,1059.0 1569.2,1058.8 1568.6,999.1 1562.0,287.8 1560.2,96.1 951.7,70.7 951.9,79.1 356.3,82.7 356.3,85.4 61.2,85.2 66.2,1025.8 74.7,1025.9 59.6,1484.7 1.0,1560.5 1.0,1901.2 7.6,1912.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[522.0,1910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5944685,41.4736347]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5919216,41.4743959]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0019__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 | 1950 | sanborn06648_047 p19 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"6556.0"},{"label":"split_canvas_h","value":"5784.8"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0019","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.1,952.0 1573.6,948.0 1626.8,948.0 1638.0,936.7 1638.0,530.6 1610.7,500.9 1608.7,500.9 1605.9,32.9 1134.0,31.4 68.8,24.1 34.0,33.4 68.5,1105.2 60.0,1394.0 6.7,1416.7 54.8,1432.8 59.5,1432.9 59.5,1415.7 336.9,1414.6 1047.2,1415.5 1520.0,1415.4 1573.1,952.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[78.0,1402.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60284623972169,41.472814055291856]}},{"type":"Feature","properties":{"resourceCoords":[78.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60285652106067,41.47522457932993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p20","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0020","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.5,184.4 74.2,179.2 74.3,160.7 348.0,161.0 1048.8,165.7 1541.5,168.2 1541.7,190.6 1554.5,1752.7 1062.0,1718.3 1062.0,1728.8 576.1,1737.1 576.1,1724.6 67.1,1754.8 67.0,1651.8 21.6,1651.6 89.5,184.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[74.0,587.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.602882,41.472023]}},{"type":"Feature","properties":{"resourceCoords":[1054.0,879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.600523,41.4715127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p21","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0021","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.6,1925.7 1595.7,1444.2 1599.4,1444.2 1629.5,941.9 1631.0,548.6 1631.0,490.3 1628.4,490.3 1620.9,35.1 1631.0,35.2 1631.0,32.9 1631.0,30.3 1625.6,24.0 1484.0,25.0 1274.0,18.0 1273.0,10.0 1049.0,9.0 1048.1,1.0 565.9,1.0 565.0,9.0 549.0,9.0 548.1,1.0 519.9,1.0 519.0,9.0 251.0,10.0 250.4,13.8 250.0,17.0 115.9,15.8 56.5,477.6 83.0,478.0 83.0,500.6 82.5,1924.0 574.7,1919.3 1080.9,1923.1 1080.8,1918.5 1583.4,1921.9 1583.4,1925.7 1587.6,1925.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[578.0,478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.598193,41.472814]}},{"type":"Feature","properties":{"resourceCoords":[83.0,478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599367,41.472799]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0022","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"522.7,1885.0 522.7,1880.0 1065.3,1865.2 1065.3,1861.3 1593.5,1884.5 1591.1,1455.2 1589.8,1222.5 1561.0,1221.0 1562.0,1181.0 1589.5,1180.0 1585.5,486.4 1583.2,75.6 1583.0,39.1 485.6,39.0 1.3,39.9 16.2,486.6 19.0,486.6 24.9,929.9 3.6,1423.4 1.0,1423.4 1.0,1896.1 522.7,1885.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[523.0,921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59447659756393,41.472037637334616]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5919465784399,41.47113444872644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p23","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0023","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.3,94.3 1511.8,87.0 1511.8,120.5 1510.0,415.0 1511.4,1281.2 1462.2,1281.0 1462.2,1304.8 1463.4,1843.6 1025.6,1857.6 1025.7,1874.8 605.7,1872.2 605.7,1867.2 127.0,1879.0 125.5,1293.2 124.9,1058.6 95.9,1057.0 97.0,1016.6 124.8,1015.7 122.9,316.6 122.3,94.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[632.0,415.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.590688,41.472651]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,415.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.588583,41.472656]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p24","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0024","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"186.6,1881.3 9.4,1819.2 14.5,1290.9 14.8,1267.1 63.8,1267.8 72.6,404.4 77.8,111.0 78.3,76.4 158.4,14.1 173.4,13.6 169.7,40.7 1180.4,25.9 1269.0,109.6 1534.3,113.5 1546.2,433.1 1476.5,499.9 1538.9,599.0 1582.6,690.0 1617.0,799.4 1617.0,1239.0 1604.0,1239.0 1603.8,1240.2 1559.0,1244.0 1558.0,1270.0 1602.0,1284.2 1602.0,1288.0 1617.0,1289.0 1617.0,1830.0 1146.1,1872.0 1146.4,1853.5 482.9,1862.4 482.8,1869.0 186.7,1888.9 186.6,1881.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[488.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.587553,41.471113]}},{"type":"Feature","properties":{"resourceCoords":[1155.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.585949,41.471131]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0025","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.4,1807.3 57.6,1294.0 58.0,1294.0 60.0,1244.0 57.0,1243.9 42.4,136.3 47.9,14.1 62.2,14.2 93.5,14.3 93.6,117.5 604.0,86.6 604.0,99.2 1091.2,90.2 1091.1,79.8 1585.0,113.7 1588.8,523.8 1590.7,1583.6 1500.3,1557.3 1501.3,1641.2 1504.4,1887.7 1003.4,1864.7 1003.3,1875.0 544.9,1883.0 544.8,1885.0 78.0,1873.6 78.5,1807.2 64.4,1807.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1101.0,495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60045579622229,41.46925793860525]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,1544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59948193640216,41.467380936045856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p26","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0026","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.8,1735.7 30.1,1623.2 85.8,547.8 80.4,19.0 93.0,19.0 94.4,18.9 93.8,85.0 557.7,97.5 557.7,95.6 1013.4,88.9 1013.5,78.6 1511.4,102.9 1527.6,1771.6 1545.7,1812.8 72.8,1813.1 73.8,1735.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1000.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6006558,41.4636676]}},{"type":"Feature","properties":{"resourceCoords":[540.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.601764,41.4636592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0027","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"547.2,1889.6 14.7,1905.1 15.1,1711.6 15.3,1627.9 105.2,1655.4 118.8,597.6 121.8,32.1 608.4,29.8 1108.9,36.0 1108.9,31.5 1605.8,37.3 1602.5,377.5 1603.8,772.5 1596.2,1846.4 1595.9,1877.3 1090.5,1905.0 1085.1,1916.0 1076.7,1933.3 1042.0,1932.3 994.0,1931.0 845.2,1884.7 663.2,1828.0 547.8,1831.3 547.2,1889.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59812560194074,41.46906578571065]}},{"type":"Feature","properties":{"resourceCoords":[601.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59806595634748,41.46703302240954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p28","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0028","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.5,1361.4 1576.5,241.5 1575.5,49.4 1071.5,83.0 1066.3,94.1 1058.0,111.4 975.6,110.2 826.5,65.7 644.2,11.2 529.1,16.0 529.1,74.1 1.0,95.8 1.0,404.2 14.9,1820.7 33.0,1862.0 1582.2,1861.9 1580.7,1409.4 1564.0,1410.0 1562.0,1363.0 1580.5,1361.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596882,41.4636964]}},{"type":"Feature","properties":{"resourceCoords":[33.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5993412,41.463678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0029","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1597.5,1904.2 1061.7,1884.5 1061.4,1898.6 529.1,1875.0 529.0,1880.0 27.8,1904.2 28.0,1867.5 30.5,1414.1 57.0,1415.0 60.0,1369.0 30.8,1366.6 33.9,806.9 32.0,416.8 34.8,84.4 558.9,83.8 559.0,78.9 1098.9,75.2 1099.0,71.3 1623.8,105.0 1617.6,528.4 1599.5,1764.9 1597.5,1904.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59447565229168,41.46891947143814]}},{"type":"Feature","properties":{"resourceCoords":[1081.0,838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59317146550583,41.468939470742164]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p30","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0030","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"17.7,1389.7 1.0,1391.0 1.0,1435.5 1.1,1437.7 17.6,1437.2 16.6,1885.5 47.5,1885.6 1557.0,1894.0 1567.6,1472.0 1566.0,1472.0 1563.0,1447.0 1565.0,1427.0 1568.8,1426.8 1584.5,799.8 1587.9,448.6 1591.5,88.5 1055.1,71.2 1054.8,85.4 521.9,64.4 521.8,69.3 20.2,96.0 20.1,280.1 17.7,1389.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[20.0,328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.595668,41.466538]}},{"type":"Feature","properties":{"resourceCoords":[1557.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.591879,41.4637346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0031","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1384.3,1825.4 1384.2,1835.2 940.8,1832.4 941.0,1821.0 525.3,1819.5 525.4,1814.2 47.1,1837.2 49.2,1607.8 50.4,1473.9 54.0,1474.0 57.0,1431.0 50.8,1430.7 60.4,354.5 62.8,78.7 541.8,72.4 541.6,77.5 961.7,84.9 961.9,67.8 1400.0,58.8 1400.0,50.1 1577.8,112.3 1587.1,1063.0 1590.5,1063.1 1582.9,1847.7 1384.3,1825.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[953.0,1058.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58971960014661,41.468283277177015]}},{"type":"Feature","properties":{"resourceCoords":[68.0,1598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59182138199773,41.46729013339896]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p32","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0032","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.4,1125.8 1516.5,1876.2 992.7,1847.3 992.9,1821.4 337.2,1865.7 337.0,1877.9 65.9,1899.8 73.5,1038.0 70.1,1037.9 60.0,104.5 354.2,84.3 354.2,77.8 1013.3,68.2 1013.0,86.5 1533.4,39.4 1518.5,984.9 1519.7,1045.9 1539.7,1080.8 1536.6,1126.2 1519.4,1125.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[999.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5859515,41.468354]}},{"type":"Feature","properties":{"resourceCoords":[1519.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5846925,41.468367]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0033","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1020.1,37.6 1020.0,42.3 544.2,20.9 544.1,40.1 164.3,16.9 1.0,22.0 1.0,441.6 44.7,437.5 32.2,1395.8 33.6,1457.7 33.6,1492.2 54.0,1493.0 51.0,1539.0 33.5,1538.7 33.2,1885.3 534.4,1888.5 534.4,1886.5 1008.9,1881.3 1009.1,1865.3 1587.1,1893.0 1595.6,34.6 1020.1,37.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[539.0,1436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58348318913555,41.468361435163644]}},{"type":"Feature","properties":{"resourceCoords":[48.0,1436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58465613912898,41.46835181057496]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0034","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.0,1892.4 552.4,1884.6 552.4,1890.5 980.6,1881.2 980.6,1874.8 1541.0,1898.8 1568.1,163.6 1625.0,162.2 1625.0,34.0 1615.0,34.0 1598.0,22.0 1598.0,1.0 1368.1,1.0 1344.7,7.0 1344.0,20.0 1296.0,19.4 973.7,101.5 973.5,53.1 547.2,49.9 547.2,57.5 77.0,38.5 78.0,1892.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58118072385054,41.471025196358624]}},{"type":"Feature","properties":{"resourceCoords":[1626.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57729676763987,41.471042337705846]}},{"type":"Feature","properties":{"resourceCoords":[1626.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57726953932985,41.46752931314491]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58115349554052,41.46751217179769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p35","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0035","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.0,117.5 538.2,91.3 538.1,96.6 953.1,95.2 953.0,106.6 1395.5,106.2 1395.5,96.5 1593.9,117.3 1592.8,535.7 1631.0,535.5 1631.0,560.5 1631.0,587.9 1596.8,1153.6 1606.1,1155.9 1542.2,1847.1 1484.5,1847.5 1187.0,1850.3 719.6,1848.1 334.9,1853.8 40.9,1854.5 45.1,1605.8 51.0,1606.0 52.0,1583.0 48.0,1582.0 52.0,1581.0 52.0,1558.0 46.0,1557.8 59.8,748.4 60.5,393.5 61.0,117.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1395.0,537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.588652,41.466124]}},{"type":"Feature","properties":{"resourceCoords":[535.0,537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.590717,41.466112]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0036","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.5,1857.9 103.3,1171.0 94.1,1168.7 136.8,554.2 95.6,554.1 99.5,223.5 371.5,202.3 371.7,190.1 1029.5,147.7 1029.2,173.6 1554.4,204.2 1547.7,1192.0 1541.2,1557.5 1540.9,1589.3 1420.0,1586.8 999.6,1688.8 454.1,1810.7 282.3,1854.3 225.6,1858.5 33.5,1857.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[358.0,542.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58754429647648,41.46615893421335]}},{"type":"Feature","properties":{"resourceCoords":[985.0,1696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58598401504237,41.4640905243334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0037","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1403.9,1894.5 1403.9,1892.9 18.4,1877.3 21.9,1674.0 59.0,1674.0 60.0,1627.0 22.8,1625.8 24.9,1506.2 34.4,87.2 538.0,93.2 538.0,91.2 1015.0,88.8 1015.2,72.7 1595.9,103.8 1591.8,502.8 1567.5,1894.7 1403.9,1894.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1007.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5822972458546,41.46440047936199]}},{"type":"Feature","properties":{"resourceCoords":[44.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58458622491366,41.46437186317704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p38","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0038","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1490.5,1881.8 1042.3,1880.5 83.9,1877.5 71.6,1877.5 84.3,502.6 85.2,80.2 556.0,73.6 556.0,79.5 980.9,71.3 980.9,64.8 1537.0,90.3 1529.5,522.4 1560.9,522.4 1557.1,1672.9 1556.0,1673.0 1554.0,1706.0 1556.0,1716.0 1557.0,1716.0 1556.4,1882.0 1490.5,1881.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.579825,41.466764]}},{"type":"Feature","properties":{"resourceCoords":[556.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.579798,41.4643778]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0039","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"584.9,1825.8 598.7,1828.1 723.2,1831.2 723.3,1829.1 987.6,1835.7 1018.3,1833.6 1413.2,1841.9 1511.4,1842.6 1516.3,1842.7 1526.7,1842.8 1496.0,1378.0 1481.1,1363.0 1403.8,988.3 1404.5,988.9 1404.7,879.9 1412.2,885.8 1441.4,507.9 1401.1,464.4 1482.1,396.4 1482.6,195.2 1265.9,297.8 1310.9,353.3 1296.7,365.0 1288.3,356.3 1248.4,384.0 755.0,133.4 778.2,162.1 588.3,1.0 401.0,1.0 401.0,17.0 286.0,18.0 284.1,1.0 283.9,1.0 283.0,17.0 262.0,17.0 261.1,1.0 249.9,1.0 249.0,16.0 122.8,12.8 80.0,1113.7 96.2,1114.0 78.8,1813.3 584.9,1825.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[563.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57512346650017,41.46438358344039]}},{"type":"Feature","properties":{"resourceCoords":[345.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57614292577138,41.46436062357319]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0040","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"349.8,1870.4 310.9,1870.7 307.5,1870.7 299.0,1871.0 252.5,1436.7 237.9,1423.1 150.8,1074.9 151.5,1075.4 147.6,973.2 154.9,978.4 168.2,623.2 128.6,584.0 202.4,517.2 193.1,270.2 171.0,244.7 366.2,72.7 382.4,91.2 565.3,17.6 580.9,16.7 582.6,38.2 1294.8,31.1 1385.7,37.5 1502.5,94.0 1568.4,872.9 1533.2,988.8 1541.8,1483.1 1502.2,1530.4 1534.2,1826.0 1506.8,1912.6 1435.9,1845.3 1436.9,1890.0 1011.0,1889.3 995.5,1857.1 745.8,1863.4 527.8,1866.9 432.1,1869.7 349.8,1870.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57200405864697,41.47144157962108]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5639399976281,41.47138120414147]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56403578133556,41.464096068654996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57209984235443,41.4641564441346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p41","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0041","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.2,206.6 1565.3,201.1 1575.5,237.7 1579.7,798.9 1581.0,1325.9 1577.3,1893.0 1006.2,1889.2 1006.0,1894.8 536.8,1867.6 536.7,1876.8 77.6,1886.7 78.2,1812.3 61.0,1788.4 75.2,206.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1006.0,838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60066301139528,41.46253483115167]}},{"type":"Feature","properties":{"resourceCoords":[88.0,1364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60284067452992,41.461585350006075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p42","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0042","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.5,1334.8 26.6,815.2 15.5,262.0 4.9,225.9 1547.0,201.0 1560.8,200.8 1555.7,816.2 1551.3,816.3 1559.3,1347.4 1562.1,1347.4 1572.3,1607.3 1562.0,1607.6 1556.2,1789.0 1555.0,1789.0 1555.5,1810.3 1553.4,1873.6 1221.4,1876.3 38.0,1894.0 34.5,1334.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1547.0,201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5956169,41.4637061]}},{"type":"Feature","properties":{"resourceCoords":[38.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599286,41.460659]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0043","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1017.8,1741.5 985.5,1744.5 138.1,1751.5 68.9,1703.6 38.6,1574.8 42.5,10.8 59.8,34.7 59.7,109.2 519.9,96.3 519.9,87.1 990.5,111.3 990.6,105.7 1563.1,105.8 1563.0,1741.5 1017.8,1741.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[990.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60064729531292,41.45970784690945]}},{"type":"Feature","properties":{"resourceCoords":[532.0,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6017349722975,41.45776556765429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p44","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0044","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1214.6,127.0 1539.9,126.4 1553.3,686.0 1557.6,685.9 1559.6,1204.8 1542.0,1205.0 1544.9,1728.3 1229.4,1736.7 38.0,1737.0 38.0,137.4 1214.6,127.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[38.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599286,41.4586991]}},{"type":"Feature","properties":{"resourceCoords":[38.0,1737.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599286,41.457747]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0045","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.1,53.4 1553.8,711.0 1548.7,711.0 1549.6,1349.8 1552.1,1349.8 1553.7,1889.0 1291.9,1893.4 1291.8,1896.3 757.2,1892.2 757.2,1887.8 138.1,1868.8 138.1,1851.3 147.7,324.7 149.5,30.4 1522.2,53.1 1539.1,53.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[765.0,699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59275265938612,41.462613709042955]}},{"type":"Feature","properties":{"resourceCoords":[140.0,1418.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59450212777669,41.46371612848284]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p46","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0046","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"381.7,1900.2 116.2,1889.2 107.0,1344.3 104.6,1344.3 94.9,710.9 99.9,710.9 76.3,59.0 281.4,59.5 1432.0,61.0 1438.1,705.4 1438.5,1296.5 1457.6,1386.6 1464.4,1887.9 943.5,1888.6 943.5,1892.9 381.6,1904.9 381.7,1900.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[382.0,1345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.594283,41.460681]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59117,41.458783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p47","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0047","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.2,1682.5 126.4,314.6 509.9,305.7 976.0,304.0 1272.6,298.6 1466.0,295.8 1456.4,1893.5 1168.4,1894.4 580.0,1895.0 127.4,1905.3 127.2,1682.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,1895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5900835,41.4608874]}},{"type":"Feature","properties":{"resourceCoords":[580.0,305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5900806,41.4637567]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p48","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0048","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1503.2,1.0 1378.0,1.0 1318.1,16.8 1318.0,19.0 1310.2,18.9 960.8,111.0 414.5,244.7 242.6,292.0 185.7,297.4 128.8,298.4 123.3,1901.8 382.7,1900.2 955.0,1899.8 1516.8,1898.0 1505.2,292.2 1503.4,18.2 1503.2,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[414.0,1900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5872755,41.4608904]}},{"type":"Feature","properties":{"resourceCoords":[1503.0,-32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5846469,41.464358]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0049","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.6,57.3 1511.0,62.6 1510.8,105.6 1501.4,1892.8 1092.9,1890.1 1092.8,1901.2 688.9,1911.4 131.4,1899.3 139.8,380.8 141.3,107.4 141.6,57.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[125.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58468631094522,41.46431500345416]}},{"type":"Feature","properties":{"resourceCoords":[1504.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58136947894296,41.464338152474056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0050","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.5,1923.8 1534.4,1924.0 1377.0,1928.0 1125.0,1926.0 876.2,1935.0 548.6,1930.6 516.0,1931.0 431.0,1926.0 283.0,1930.0 114.0,1928.0 49.7,1930.8 50.1,1875.0 56.5,64.4 56.6,22.9 200.0,25.0 245.0,21.6 1191.8,23.6 1516.3,24.3 1553.2,1907.3 1547.8,1917.3 1543.5,1923.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.0,1904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58012219649915,41.46099079154771]}},{"type":"Feature","properties":{"resourceCoords":[555.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58015606183189,41.46434270405492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0051","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.1,12.2 212.2,13.1 273.2,13.4 340.0,15.0 495.1,14.8 1267.8,19.8 1268.0,21.0 1295.0,24.0 1538.3,25.5 1524.1,1921.6 1524.0,1933.3 1300.3,1932.4 1261.2,1922.1 1017.4,1919.0 1017.4,1931.4 866.0,1924.0 745.2,1927.4 358.0,1919.6 357.9,1931.3 321.2,1930.2 254.0,1927.0 228.6,1927.6 116.3,1924.5 87.1,12.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1018.0,1904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57556605405453,41.461011868569884]}},{"type":"Feature","properties":{"resourceCoords":[1018.0,31.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5756193836454,41.46437193059842]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0052","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"522.2,1928.7 361.0,1925.0 135.0,1926.0 85.2,1928.2 85.2,1918.3 85.2,45.2 594.5,44.7 653.6,39.2 1414.5,35.7 1485.2,34.4 1461.2,682.0 1484.0,682.1 1483.6,1911.3 1144.9,1916.0 1056.6,1926.0 680.2,1921.0 522.2,1928.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.0,1899.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57196986899712,41.461034041213104]}},{"type":"Feature","properties":{"resourceCoords":[85.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5743743145857,41.46437677500529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p53","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0053","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.4,1926.9 195.0,977.8 203.8,348.8 192.1,348.6 208.9,17.4 269.5,17.1 274.4,17.1 293.4,17.0 297.0,17.1 423.6,19.6 523.4,19.4 751.0,22.1 1011.8,22.8 1027.0,57.1 1471.4,70.2 1471.6,23.2 1543.7,96.0 1466.8,318.8 1538.1,570.5 1587.3,575.1 1585.6,673.7 1516.7,706.6 1514.8,809.0 1521.5,858.5 1586.0,859.6 1586.3,1056.9 1518.0,1059.5 1515.8,1177.0 1460.9,1278.5 1451.3,1388.3 1483.7,1487.5 1443.9,1801.7 1508.3,1806.7 1458.0,1862.7 1455.0,1924.0 1219.0,1919.5 1218.8,1936.5 1183.0,1937.0 990.0,1931.0 990.0,1929.0 689.6,1921.5 689.6,1916.2 416.4,1922.7 416.2,1934.0 255.0,1932.0 225.0,1927.0 180.4,1928.2 180.4,1926.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1225.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5660279,41.4592808]}},{"type":"Feature","properties":{"resourceCoords":[1465.0,993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.564931,41.461042]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0054__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 | 1950 | sanborn06648_047 p54 [1]","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":"6512.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0054__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0054","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1585.3,1797.5 1585.5,1790.8 1627.0,1779.4 1627.0,1398.7 1598.1,1392.5 1486.7,1404.3 1340.2,1380.5 1338.2,1372.6 1287.0,1314.8 725.8,753.9 680.4,629.2 574.0,503.1 657.6,495.8 796.8,357.9 700.4,248.1 701.2,330.9 376.9,307.1 284.9,365.9 296.2,728.6 191.3,1046.1 69.1,1178.5 55.5,1178.6 65.7,1343.2 30.6,1378.5 64.0,1428.8 87.7,1475.1 106.8,1531.0 112.5,1757.6 82.7,1760.9 82.5,1774.3 113.2,1783.3 117.2,1929.1 121.8,1929.0 120.1,1846.7 204.2,1842.4 398.8,1850.2 398.6,1840.3 642.5,1846.2 642.5,1843.8 937.1,1836.1 936.8,1817.3 1177.7,1823.3 1177.6,1819.3 1395.9,1817.6 1396.4,1842.5 1560.7,1797.6 1585.3,1797.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0054__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[386.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58356007869321,41.47141016855677]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5788622193061,41.47137527969343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p55","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0055","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"571.2,14.6 1162.4,18.6 1272.0,20.9 1326.0,24.0 1453.2,24.9 1457.7,1435.3 1472.1,1435.2 1451.7,1923.3 886.9,1926.3 851.0,1925.0 716.0,1925.0 650.1,1927.6 303.5,1929.5 283.0,1929.4 225.0,1927.0 103.3,1928.6 103.3,1922.1 110.0,1183.0 116.5,21.6 571.2,14.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59117,41.458783]}},{"type":"Feature","properties":{"resourceCoords":[1130.0,1436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.588721,41.458341]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p56","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0056","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.2,1914.3 405.9,1918.8 149.8,1919.8 170.6,1438.7 156.3,1438.8 153.9,43.5 408.4,44.8 973.0,51.0 1527.4,55.5 1517.6,1424.8 1514.3,1787.4 1513.2,1914.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[973.0,1433.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58595,41.458369]}},{"type":"Feature","properties":{"resourceCoords":[973.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5859775,41.4608874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p57","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0057","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.7,77.7 649.8,85.0 1053.2,71.4 1053.2,60.2 1461.3,59.4 1461.4,79.6 1462.8,1903.4 1462.8,1909.7 1054.9,1880.1 1054.9,1887.4 654.6,1890.8 654.6,1882.0 654.6,1877.6 92.9,1897.6 93.5,1543.7 93.0,161.0 92.7,77.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58485358891927,41.461177848781595]}},{"type":"Feature","properties":{"resourceCoords":[1627.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58093631221121,41.46117993757493]}},{"type":"Feature","properties":{"resourceCoords":[1627.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58093297415009,41.45766243832823]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58485025085815,41.45766034953489]}},{"type":"Feature","properties":{"resourceCoords":[93.0,161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5846294,41.4608874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p58","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0058","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1140.0,16.0 1141.3,10.8 1380.2,8.7 1537.7,2.0 1537.9,15.5 1566.4,1916.2 1270.3,1921.2 645.3,1932.0 454.0,1925.0 177.0,1924.0 72.2,1929.3 72.0,1903.5 70.9,1809.2 51.9,39.0 551.1,25.3 879.0,24.1 1140.0,16.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[563.0,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58010954876978,41.4608622684861]}},{"type":"Feature","properties":{"resourceCoords":[1203.0,10.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57857324338246,41.46095942970405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0059","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.0,23.6 366.8,28.9 366.8,17.2 752.8,22.6 873.1,18.4 1024.0,24.9 1024.0,12.4 1267.0,14.0 1269.0,21.0 1306.0,24.0 1529.0,23.5 1529.0,35.2 1530.5,1924.7 817.5,1926.4 783.0,1925.0 747.6,1926.5 329.7,1927.5 107.0,1928.1 106.7,10.1 120.0,10.0 125.7,10.2 126.0,23.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[363.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57712965303541,41.457576862839474]}},{"type":"Feature","properties":{"resourceCoords":[1532.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57434638290063,41.46094945294923]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p60","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0060","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.6,30.5 46.6,21.8 215.0,21.0 279.0,16.0 488.0,20.0 649.0,13.0 1030.0,20.0 1119.0,17.0 1119.4,10.3 1462.3,7.3 1449.3,1884.8 1449.1,1920.0 1021.4,1926.0 804.6,1927.3 556.8,1923.2 40.5,1922.5 46.6,30.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[57.0,1909.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57428584052208,41.45757209539031]}},{"type":"Feature","properties":{"resourceCoords":[1032.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57198947302275,41.46094711164703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p61","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0061","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"915.1,43.5 947.3,40.9 1488.9,49.2 1481.0,567.0 1481.0,1227.0 1474.0,1792.0 1474.2,1822.7 52.7,1786.3 51.2,1931.0 18.0,1931.0 17.3,1931.0 32.1,788.0 63.0,787.0 67.0,745.0 32.7,743.0 40.1,170.3 102.1,58.3 73.2,37.7 915.1,43.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1481.0,1227.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599262,41.4556365]}},{"type":"Feature","properties":{"resourceCoords":[1481.0,567.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599286,41.456819]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p62","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0062","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.4,283.8 90.2,140.9 1494.3,169.2 1497.7,544.0 1501.6,1004.4 1498.0,1458.0 1627.0,1460.9 1627.0,1883.1 1597.1,1883.1 125.0,1878.5 30.5,1878.2 44.0,1868.3 56.0,284.0 89.4,283.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1498.0,575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599238,41.453833]}},{"type":"Feature","properties":{"resourceCoords":[1498.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599217,41.452231]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p63","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0063","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.0,1203.0 41.5,847.0 55.0,847.0 56.0,803.0 41.2,802.2 39.4,545.4 43.6,29.3 1249.8,38.9 1563.7,33.2 1577.5,549.9 1625.0,549.4 1625.0,909.8 1625.0,1196.9 1569.2,1197.1 1583.3,1705.7 1110.6,1705.0 778.4,1705.9 442.8,1769.3 41.0,1766.0 44.0,1203.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1071.0,1705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596788,41.454749]}},{"type":"Feature","properties":{"resourceCoords":[44.0,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.599262,41.4556365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p64","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0064","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.9,120.2 430.6,122.8 762.8,59.4 1091.7,57.9 1550.5,57.7 1577.2,543.8 1570.0,543.9 1578.5,966.2 1575.7,966.2 1576.8,1387.1 1574.7,1387.2 1575.8,1831.3 1085.7,1834.8 1053.0,1835.0 1053.1,1874.2 602.2,1866.1 602.2,1861.6 171.8,1875.6 171.9,1861.8 170.2,1440.1 41.4,1437.6 43.4,984.6 38.0,524.7 32.9,120.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1053.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596779,41.453857]}},{"type":"Feature","properties":{"resourceCoords":[1053.0,1835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596759,41.451521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p65","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0065","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1158.2,1845.8 1158.4,1894.2 643.6,1903.8 643.5,1898.3 115.9,1892.7 116.0,1371.5 97.9,1280.7 105.7,687.0 108.3,39.7 843.8,53.2 852.2,53.4 1366.8,56.1 1400.3,56.3 1462.1,708.9 1452.1,708.7 1467.7,1344.2 1459.6,1344.1 1430.4,1807.4 1335.2,1805.8 1335.2,1847.2 1158.2,1845.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1158.0,1803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.595376,41.456837]}},{"type":"Feature","properties":{"resourceCoords":[1158.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.591166,41.4568879]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p66","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0066","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"470.9,1848.6 470.6,1904.5 980.4,1894.8 980.3,1904.0 1472.7,1882.1 1473.0,1382.2 1470.7,58.2 1250.6,55.0 479.4,44.1 212.1,42.6 66.6,41.8 128.4,698.3 118.3,698.1 133.7,1337.6 125.5,1337.4 95.8,1803.5 1.0,1802.0 1.0,1843.6 470.9,1848.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[477.0,542.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5923408,41.4556992]}},{"type":"Feature","properties":{"resourceCoords":[1473.0,1350.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.594235,41.453888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p67","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0067","type":"ImageService3","width":1626,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.8,1063.7 113.2,797.4 114.2,619.0 116.9,103.3 117.0,101.3 316.6,104.1 1472.0,108.6 1505.3,621.9 1574.0,622.0 1573.0,1330.4 1574.6,1845.7 101.5,1831.8 111.8,1063.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1574.0,622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.587652,41.456548]}},{"type":"Feature","properties":{"resourceCoords":[102.0,1793.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5911443,41.454396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p68","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0068","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"251.2,1333.1 241.7,622.8 172.8,623.7 131.8,109.5 381.1,106.7 1504.5,94.5 1507.6,616.1 1506.7,1315.8 1506.0,1843.0 260.5,1849.8 251.2,1333.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[414.0,623.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.587239,41.456548]}},{"type":"Feature","properties":{"resourceCoords":[1506.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5846179,41.454359]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p69","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0069","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.6,79.2 133.8,67.0 695.6,53.8 695.6,58.2 695.5,67.0 1095.7,68.5 1095.8,61.2 1503.2,95.7 1502.2,183.3 1501.8,221.6 1499.8,411.1 1483.8,1910.7 1078.0,1899.8 1078.0,1904.1 680.3,1899.6 113.8,1905.0 120.0,1423.0 128.9,726.5 131.9,207.3 133.6,79.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,1423.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5846179,41.455306]}},{"type":"Feature","properties":{"resourceCoords":[1094.0,218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58231,41.457503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0006__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 | 1950 | sanborn06648_047 p6 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.12"},{"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":"1827.6"},{"label":"split_canvas_h","value":"5285.6"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0006","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"314.1,67.3 137.9,77.8 77.0,33.0 74.0,181.8 30.6,293.1 76.7,1006.6 77.0,1076.3 73.6,1082.8 157.8,1185.2 349.3,1320.4 350.6,1320.4 340.4,948.3 336.1,792.4 340.3,764.8 346.3,725.3 342.9,516.9 344.4,226.7 313.8,201.5 314.1,159.3 314.1,67.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,1076.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5791029,41.4724971]}},{"type":"Feature","properties":{"resourceCoords":[77.0,33.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5826281,41.4755631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0007","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.9,1927.6 107.6,1927.6 104.5,1802.3 109.2,1772.5 115.8,1729.9 112.7,1504.4 115.4,1190.5 82.3,1163.1 82.8,1117.5 83.6,875.5 119.4,834.2 140.6,758.0 85.3,348.4 85.3,335.1 130.9,97.4 310.0,103.2 459.5,217.9 540.8,198.8 623.3,120.8 915.7,145.3 989.4,180.8 888.7,291.2 941.8,362.1 940.2,415.5 1064.9,518.6 1153.0,520.3 1081.6,602.8 1136.7,665.5 1082.5,728.0 1105.6,753.0 1012.9,911.7 1110.3,1006.0 1271.2,1055.9 1214.5,1121.3 1255.2,1206.3 1484.9,1435.3 1536.8,1564.9 1590.8,1611.7 1590.4,1681.1 1521.9,1806.0 1559.5,1849.3 1253.3,1875.9 1253.3,1874.8 987.3,1850.8 987.3,1852.1 719.3,1842.6 719.3,1856.5 451.0,1860.8 451.0,1863.4 166.9,1856.7 166.9,1850.3 118.2,1910.8 114.9,1927.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[721.0,1462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.577883,41.476358]}},{"type":"Feature","properties":{"resourceCoords":[721.0,643.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5804503,41.478577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p70","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0070","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.4,62.5 163.6,59.0 438.8,64.8 628.7,75.0 1249.9,75.0 1549.5,75.0 1556.1,1866.4 1195.3,1844.1 1195.3,1850.2 548.8,1838.6 548.8,1849.4 49.1,1846.8 58.2,264.1 59.3,75.0 59.4,62.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[554.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.580134,41.4575131]}},{"type":"Feature","properties":{"resourceCoords":[1197.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.578582,41.4575223]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p71","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0071","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.3,1867.5 57.5,1772.4 56.0,1917.7 55.6,1929.4 36.1,1929.6 35.3,1094.8 56.0,1094.0 57.0,1050.0 35.2,1049.6 34.6,408.9 78.8,80.9 125.9,47.0 220.9,48.4 1590.6,67.5 1563.6,501.5 1575.0,992.1 1583.2,992.2 1568.8,1503.1 1580.1,1503.2 1599.6,1709.0 1577.0,1706.2 1553.3,1867.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0071/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6030646812845,41.45152262116606]}},{"type":"Feature","properties":{"resourceCoords":[1627.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.59914824325858,41.451583415702]}},{"type":"Feature","properties":{"resourceCoords":[1627.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.59905108866101,41.448066669545796]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.60296752668692,41.44800587500986]}},{"type":"Feature","properties":{"resourceCoords":[57.0,1494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.602853,41.448829]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p72","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0072","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"79.2,1501.7 68.0,1501.9 69.6,995.9 61.5,996.0 38.0,510.7 54.0,80.5 163.1,79.3 193.2,78.9 193.2,92.6 622.0,74.1 622.0,78.5 1071.4,81.8 1070.8,42.7 1103.5,42.1 1580.2,33.6 1590.6,499.6 1588.8,499.6 1585.1,973.1 1580.9,973.2 1580.8,1107.5 1570.0,1108.0 1568.0,1129.0 1571.0,1159.0 1580.7,1158.8 1580.4,1448.0 1597.7,1447.5 1555.8,1729.3 1087.9,1772.5 1088.0,1801.2 103.5,1704.9 79.2,1501.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[195.0,509.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.598894,41.450678]}},{"type":"Feature","properties":{"resourceCoords":[1077.0,509.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596749,41.450671]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p73","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0073","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1461.7,340.1 1447.5,1896.5 998.6,1890.4 998.6,1888.3 573.2,1882.5 573.2,1879.6 146.3,1881.3 149.5,1375.0 155.1,53.0 1464.0,79.1 1461.7,340.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[575.0,1342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59421,41.453124]}},{"type":"Feature","properties":{"resourceCoords":[1009.0,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5911372,41.452396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p74","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0074","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1058.2,1898.6 579.6,1888.2 579.6,1886.5 108.5,1890.3 102.4,327.5 101.4,67.4 216.2,68.2 1525.9,77.3 1533.1,1460.5 1538.0,1910.1 1058.2,1902.9 1058.2,1898.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[575.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5911608655335,41.4507236830045]}},{"type":"Feature","properties":{"resourceCoords":[103.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59117176380924,41.451574869093214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p75","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0075","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.2,1773.1 49.0,1657.6 52.0,1226.8 56.0,1227.0 58.0,1182.0 52.3,1181.6 58.0,345.1 59.6,124.8 1540.0,129.0 1537.6,637.0 1548.0,1388.6 1566.5,1768.6 48.2,1773.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[56.0,643.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5911408,41.453397]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.587603,41.4543439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p76","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0076","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"248.7,1760.3 228.2,1380.4 214.0,629.0 213.7,121.1 1461.5,118.2 1469.3,625.8 1473.0,1295.0 1472.3,1741.4 248.7,1760.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1473.0,1295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5845779,41.452249]}},{"type":"Feature","properties":{"resourceCoords":[214.0,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.587597,41.4534332]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p77","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0077","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.7,1290.2 117.0,618.0 110.7,108.2 111.0,65.1 683.6,56.5 1085.6,58.9 1085.6,54.6 1495.8,63.3 1491.8,847.3 1493.1,1293.6 1490.0,1712.0 1499.2,1712.0 1493.2,1922.0 116.8,1925.1 116.7,1738.5 118.7,1290.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[117.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5845939,41.453449]}},{"type":"Feature","properties":{"resourceCoords":[1490.0,1712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.581304,41.451514]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p78","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0078","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.1,1853.9 62.3,1646.6 53.2,1646.7 56.9,1233.8 56.2,793.2 60.8,106.2 560.5,109.3 560.5,98.4 1207.1,110.7 1207.1,104.6 1567.8,127.2 1569.7,833.5 1571.8,833.5 1600.2,1307.2 1601.0,1347.0 1602.5,1347.0 1620.7,1650.7 1606.6,1650.5 1616.8,1830.7 1187.1,1905.2 1193.0,1853.1 56.1,1853.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1205.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.578533,41.452279]}},{"type":"Feature","properties":{"resourceCoords":[56.0,823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.581315,41.453004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p79","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0079","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.6,1390.6 46.0,1349.0 53.0,1349.0 54.0,1304.0 46.4,1303.8 57.3,68.3 1581.3,66.8 1575.4,439.7 1564.0,1419.8 1558.2,1886.8 41.2,1890.0 45.6,1390.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[56.0,448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59112630905356,41.450692792872694]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58748408904579,41.448171613589366]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0008","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,328.0 1.0,454.1 4.5,586.6 1.0,585.3 1.0,1178.6 51.2,1426.3 275.6,1932.0 293.0,1932.0 324.0,1936.0 325.0,1948.0 343.4,1948.0 343.4,1876.8 575.9,1935.1 615.2,1887.3 615.6,1851.5 891.3,1852.4 891.2,1878.5 1085.9,1948.0 1109.2,1948.0 1121.8,1931.5 1510.4,1924.7 1583.8,1887.2 1587.8,826.3 1568.2,805.9 1561.0,806.0 1560.8,798.2 1558.3,795.6 1560.5,784.0 1560.0,760.0 1565.0,759.8 1577.9,691.0 1498.0,565.8 1486.8,449.6 1555.0,341.7 1560.8,159.1 1474.3,59.5 1161.9,85.0 1161.9,83.8 890.3,58.0 890.3,59.3 616.8,48.3 616.8,62.5 342.9,65.4 342.9,68.1 53.0,59.8 53.0,53.2 3.4,114.7 1.0,328.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57901969429508,41.4740238285947]}},{"type":"Feature","properties":{"resourceCoords":[1616.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57331940213817,41.47776397494515]}},{"type":"Feature","properties":{"resourceCoords":[1616.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56734123400126,41.472576469670464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57304152615818,41.46883632332002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p80","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0080","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.8,1889.8 1051.0,1877.2 548.6,1853.5 548.6,1859.3 64.4,1880.5 64.2,1433.1 63.0,448.0 64.2,73.3 1298.6,47.2 1300.3,234.7 1525.5,232.2 1515.8,459.4 1530.5,460.8 1531.7,1372.8 1534.2,1785.8 1534.8,1889.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1048.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.585173,41.449082]}},{"type":"Feature","properties":{"resourceCoords":[63.0,448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.587506,41.450739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p81","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0081","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1501.4,1849.2 1059.5,1839.0 606.5,1833.7 140.6,1846.8 141.2,1571.6 142.1,1163.2 148.3,261.7 133.7,260.3 145.2,35.8 1521.8,32.0 1509.3,251.1 1495.7,251.0 1500.0,1132.0 1501.0,1688.1 1501.4,1849.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0081/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1500.0,1132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.580769,41.449165]}},{"type":"Feature","properties":{"resourceCoords":[1060.0,258.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.581839,41.450731]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p82","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0082","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1065.0,1865.9 590.0,1694.0 128.5,1514.4 131.9,1232.8 145.3,116.3 609.6,107.8 1061.1,117.5 1501.3,132.1 1498.9,435.0 1484.0,1899.5 1064.9,1898.5 1065.0,1865.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1498.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.580745,41.447125]}},{"type":"Feature","properties":{"resourceCoords":[590.0,1694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.582884,41.44503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p83","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0083","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"993.4,72.7 987.1,125.2 1549.8,30.9 1595.4,71.0 1564.5,70.7 1605.5,1397.2 1584.7,1788.7 1526.7,1895.6 1417.9,1886.8 1418.0,1873.0 949.6,1868.3 949.6,1872.8 488.0,1865.3 487.9,1853.4 43.9,1881.9 44.7,1730.8 46.2,1471.2 58.0,1471.0 57.0,1428.0 46.4,1427.8 47.9,1172.5 50.3,287.8 64.0,288.0 78.3,68.2 993.4,72.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[486.0,1128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.579724,41.449256]}},{"type":"Feature","properties":{"resourceCoords":[956.0,301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57863,41.450749]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p84","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0084","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.0,444.9 68.2,125.3 516.9,90.0 517.1,102.0 984.0,102.8 984.0,98.2 1457.8,96.1 1457.9,110.0 1568.0,117.3 1541.3,168.4 1602.3,511.3 1549.0,587.5 1609.9,907.5 1533.7,1334.2 1571.8,1753.2 1526.1,1821.8 1228.9,1920.8 573.1,1930.3 451.0,1925.0 210.0,1926.0 80.8,1930.8 71.0,444.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[525.0,560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.579675,41.447125]}},{"type":"Feature","properties":{"resourceCoords":[72.0,560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.580745,41.447125]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p85","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0085","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1267.0,1864.8 985.2,1873.3 962.7,1877.6 58.4,1901.1 51.1,1533.1 56.0,1533.0 55.0,1490.0 50.2,1489.9 26.6,291.7 46.5,291.1 46.7,279.1 45.5,131.2 1546.0,198.3 1570.5,1077.2 1566.3,1077.3 1561.6,1426.7 1551.8,1426.8 1536.3,1859.8 1433.7,1864.3 1267.0,1864.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1141.0,1432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60024191378608,41.44602553344128]}},{"type":"Feature","properties":{"resourceCoords":[56.0,1092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60280841373506,41.44662417830391]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p86","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0086/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0086","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.8,1845.8 56.4,1422.0 66.0,1421.8 69.5,1079.8 73.5,1079.7 46.6,219.6 70.5,220.6 90.5,59.4 1104.1,161.4 1104.1,132.5 1588.2,89.2 1608.7,300.1 1593.3,300.5 1631.7,807.8 1620.5,807.9 1614.1,1552.9 1583.0,1554.0 1584.0,1602.0 1613.7,1600.9 1612.0,1808.2 1513.9,1809.9 1378.2,1812.5 1124.0,1815.8 741.0,1828.7 102.2,1844.7 42.8,1845.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0086/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1115.0,814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596712,41.447134]}},{"type":"Feature","properties":{"resourceCoords":[252.0,1841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5988,41.445277]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p87","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0087","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"841.6,1891.7 842.5,1904.5 559.3,1854.7 560.0,1423.0 570.0,41.4 1064.0,51.0 1567.9,60.8 1568.0,1434.9 1567.5,1474.2 1563.0,1865.0 1053.5,1891.5 1053.5,1876.0 841.6,1891.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0087/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[560.0,1423.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.594453,41.448972]}},{"type":"Feature","properties":{"resourceCoords":[1064.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.591122,41.448117]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088__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 | 1950 | sanborn06648_047 p88 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"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":"4941.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"816.9,1925.7 865.6,1925.7 865.0,1895.5 1075.3,1901.4 1075.9,1648.8 1076.2,1409.5 1077.0,1268.0 1075.0,879.6 1074.5,555.3 1074.3,428.6 1058.1,52.0 824.0,48.4 771.1,47.6 620.4,45.3 254.1,39.7 58.2,36.7 64.2,1426.7 60.9,1873.1 816.4,1894.2 816.9,1925.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.3,1619.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59484271178125,41.44533275672129]}},{"type":"Feature","properties":{"resourceCoords":[59.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59117889564257,41.447204810295084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088__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 | 1950 | sanborn06648_047 p88 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4941.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1614.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1294.2,181.2 1353.5,320.7 1364.7,381.7 1362.9,1130.0 1366.1,1219.9 1364.3,1621.0 1362.3,1928.0 1417.1,1928.3 1452.7,1928.6 1452.7,1928.1 1550.2,1869.8 1574.0,1773.3 1577.6,1658.0 1575.1,1658.0 1576.0,1612.0 1579.1,1611.8 1600.8,931.8 1567.1,156.3 1413.7,37.8 1289.2,162.8 1294.2,181.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0088__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1364.3,647.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.593695,41.442049]}},{"type":"Feature","properties":{"resourceCoords":[1364.3,1621.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.596048,41.442024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p89","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0089","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.7,1641.6 59.8,1408.5 63.5,645.9 66.0,138.0 1578.3,128.8 1575.3,637.1 1566.8,1642.8 1064.0,1649.0 927.4,1648.0 58.7,1641.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0089/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.0,1649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.588709,41.445423]}},{"type":"Feature","properties":{"resourceCoords":[66.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.591122,41.448117]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0009","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.3,113.8 271.6,115.5 875.4,125.1 1134.7,129.2 1259.1,133.0 1368.0,133.9 1376.2,133.9 1411.0,374.5 1390.9,384.8 1371.7,408.9 1369.0,431.5 1372.0,485.2 1371.6,613.2 1365.5,932.4 1364.2,1064.3 1361.3,1107.2 1349.4,1169.0 1344.2,1218.3 1340.8,1364.4 1337.8,1693.2 1332.2,1891.8 1331.1,1930.8 1318.5,1930.5 1316.0,1911.8 250.0,1890.2 227.4,1870.0 163.2,1880.1 159.4,1789.0 166.5,1789.2 147.9,1375.9 146.9,1375.9 162.3,113.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1119.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5730675464176,41.45460184572938]}},{"type":"Feature","properties":{"resourceCoords":[237.0,1588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57720700763667,41.45225787061001]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p90","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0090","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1542.5,1436.7 1543.9,1721.8 1308.8,1650.5 1061.0,1655.0 560.0,1655.0 69.5,1665.1 70.3,653.8 69.5,142.6 69.5,120.8 552.6,100.3 552.6,94.5 1053.7,118.8 1536.3,132.0 1542.5,1436.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[560.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.586341,41.445459]}},{"type":"Feature","properties":{"resourceCoords":[1061.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58515,41.445459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p91","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0091","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"421.1,1918.2 329.6,1916.5 145.6,1863.4 84.6,1432.9 133.1,1252.5 141.4,148.0 158.7,46.8 246.7,18.6 1110.0,18.0 1131.6,14.4 1249.5,13.8 1270.0,15.0 1287.8,13.7 1312.7,13.6 1329.0,23.0 1400.7,23.0 1403.8,832.7 1401.2,1395.1 1406.9,1901.1 421.1,1918.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0091/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1429.0,830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5998167769252,41.44374429635445]}},{"type":"Feature","properties":{"resourceCoords":[1429.0,1383.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5997794944472,41.44271788936769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0092/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p92","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0092/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0092","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.5,1814.8 1281.5,1903.8 1261.4,1904.1 54.1,1922.7 49.4,1412.2 53.1,844.9 51.6,18.1 94.0,18.5 212.0,22.0 299.4,20.2 369.4,21.1 395.1,21.2 441.0,24.0 616.3,22.4 997.8,24.6 1374.8,23.4 1624.8,27.9 1588.5,1682.2 1607.8,1681.9 1608.9,1726.8 1582.0,1735.0 1585.5,1821.2 1283.5,1814.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0092/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[53.0,844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59987935017206,41.443739640626525]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59611708612468,41.4452822578503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p93","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0093","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.4,41.2 502.0,39.5 739.7,37.9 880.1,37.7 1575.7,30.0 1543.4,775.6 1528.0,775.7 1528.0,1246.4 1511.3,1246.5 1527.7,1789.8 1508.8,1789.6 1460.3,1803.0 1320.0,1863.3 1258.5,1874.9 504.4,1875.9 413.9,1879.4 9.8,1879.1 4.6,1790.9 32.0,1782.0 30.0,1736.0 10.2,1736.7 15.7,42.3 152.4,41.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[494.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.594932542759,41.44530620409096]}},{"type":"Feature","properties":{"resourceCoords":[28.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.59600453523356,41.44204072259637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p94","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0094","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1365.0,1922.5 221.2,1902.9 203.1,1926.2 77.9,1800.8 108.0,1792.8 126.7,1793.1 114.0,1251.8 130.6,1251.9 133.8,783.1 149.1,783.1 186.2,40.8 198.4,40.8 323.8,40.5 696.3,24.1 1558.8,38.7 1576.5,39.0 1545.9,669.6 1603.4,686.8 1532.3,920.5 1540.6,1796.7 1524.6,1796.8 1553.9,1907.0 1365.0,1922.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[680.0,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.591101,41.443201]}},{"type":"Feature","properties":{"resourceCoords":[1116.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.590029,41.442231]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0095/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p95","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0095/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0095","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.9,1815.6 71.0,1815.5 65.5,932.9 137.9,697.8 80.0,680.3 112.8,45.3 231.7,47.6 734.6,47.9 1222.5,47.7 1560.4,54.6 1571.4,1130.5 1557.8,1126.4 1541.6,1811.3 1566.0,1844.0 1536.3,1907.2 1393.0,1919.3 731.0,1875.8 117.4,1924.0 83.3,1924.0 54.9,1815.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0095/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[491.0,1811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5880035,41.4422734]}},{"type":"Feature","properties":{"resourceCoords":[1331.0,1811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.585996,41.442304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0096/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p96","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0096/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0096","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.2,1823.8 68.5,1142.4 82.0,1146.4 64.9,76.2 224.4,78.5 469.5,77.6 701.1,151.5 1163.8,330.4 1640.0,501.5 1640.0,511.9 1640.0,534.2 1630.1,534.2 1596.5,1807.0 1542.8,1896.1 591.1,1912.2 82.5,1852.3 80.7,1856.2 56.2,1823.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0096/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1592.0,491.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58184960826222,41.44475194676505]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58186900477571,41.442786409240206]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_047 p97","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0097","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1440.5,1736.0 687.8,1757.5 424.6,1702.2 279.0,1724.8 279.1,1712.1 239.5,1711.6 239.2,1473.3 248.1,1383.5 250.1,612.9 246.2,583.2 261.2,206.4 300.5,206.5 337.4,206.6 337.0,165.6 783.0,168.7 848.1,142.4 1187.9,171.6 1390.7,119.5 1428.8,131.2 1432.1,211.5 1455.8,210.3 1472.6,1162.6 1475.1,1162.7 1474.8,1745.9 1440.5,1736.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0097/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1197.0,1153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.56927954252043,41.44789676414019]}},{"type":"Feature","properties":{"resourceCoords":[663.0,1730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.57201548302402,41.449768163259925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0098__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 | 1950 | sanborn06648_047 p98 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"6564.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T07:00:29Z","modified":"2026-10-18T07:00:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0098__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0098","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1593.6,654.4 1593.0,654.0 1550.0,653.0 1552.0,600.0 1590.6,600.0 1562.1,79.3 620.8,98.8 620.8,101.3 44.3,102.9 27.1,163.2 29.6,499.2 74.3,661.8 42.0,1190.2 83.4,1232.0 78.8,1454.7 139.0,1504.0 138.8,1568.2 361.6,1569.0 429.5,1592.0 497.1,1679.0 504.2,1807.5 534.2,1849.1 817.5,1835.1 1085.4,1907.8 1557.5,1890.8 1610.2,958.4 1593.6,654.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014:06648_14_1950-0098__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,1081.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5672235171304,41.44342021556024]}},{"type":"Feature","properties":{"resourceCoords":[570.0,569.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5695493375563,41.44524282173837]}}]}}]}