{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06656_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Columbus, Ohio | 1922 | 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":"105"},{"label":"placed","value":"94"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 50, georef-snap 44"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p201__1 (tier 1, 40.02424,-83.01892 +/-196m); p201__2 (tier 1, 40.02542,-83.01911 +/-166m); p202__2 (tier 1, 40.02355,-83.01572 +/-262m); p221__1 (tier 1, 40.01331,-83.01386 +/-100m); p233 (tier 2, 40.00979,-83.01613 +/-163m); p235 (tier 2, 40.00682,-83.01759 +/-100m); p243__1 (tier 1, 40.00567,-83.01625 +/-195m); p243__2 (tier 1, 40.00472,-83.01650 +/-195m); p244__1 (tier 1, 40.00656,-83.01045 +/-176m); p248__2 (tier 1, 40.00626,-82.99900 +/-107m); p297 (tier 2, 39.99620,-83.01296 +/-939m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0202__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p202 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3923.6"},{"label":"split_canvas_w","value":"1808.0"},{"label":"split_canvas_h","value":"3784.4"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0202__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0202","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.7,1841.1 168.0,1868.2 394.1,1484.6 389.1,1483.3 302.7,1050.8 235.3,1035.2 33.8,1016.2 19.1,1256.8 48.5,1264.4 48.3,1388.0 55.7,1841.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0202__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[73.0,1397.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01363693150108,40.02333412421967]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1847.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01343757704772,40.02250540507731]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p203","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0203/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0203","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.7,1271.4 261.2,851.2 256.1,851.2 70.8,458.6 44.9,453.4 68.5,33.1 1580.7,11.2 1590.4,784.9 1594.3,1261.2 1605.7,1874.7 1598.6,1883.7 829.5,1916.9 677.4,1926.0 676.4,1926.0 202.5,1926.0 158.6,1761.5 23.1,1272.2 136.7,1271.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-113.0,445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01369221121494,40.02409874178601]}},{"type":"Feature","properties":{"resourceCoords":[805.0,1659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01160081244977,40.021683249654245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0204/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p204","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0204/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0204","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.5,1890.1 53.0,1875.2 43.5,1264.2 41.0,789.8 33.6,19.2 907.1,9.1 1335.4,82.8 1524.7,7.0 1557.0,423.4 1580.9,423.4 1591.0,1672.5 1561.6,1672.6 1613.7,1877.3 1607.0,1878.0 1607.1,1884.3 826.0,1914.3 825.0,1900.7 187.9,1896.3 187.8,1896.9 41.5,1890.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0204/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[823.0,441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00751678127907,40.02382945156106]}},{"type":"Feature","properties":{"resourceCoords":[823.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00769555426041,40.021512518783354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0205/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p205","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0205/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0205","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.0,19.6 1299.9,9.8 1300.0,31.6 1458.1,31.7 1483.2,452.7 1445.0,452.8 1488.1,865.7 1502.8,865.6 1519.7,865.6 1521.1,1282.3 1514.8,1282.3 1513.7,1695.0 1517.7,1695.0 1467.0,1912.2 929.7,1912.5 929.7,1896.8 574.5,1896.5 193.4,1911.0 139.8,1700.7 169.2,1700.5 159.0,457.6 135.2,457.6 103.1,43.2 162.0,19.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0205/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,1275.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0037753654869,40.022120717906674]}},{"type":"Feature","properties":{"resourceCoords":[946.0,1679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00383515157876,40.02134586640572]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p206 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3750.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"3958.0"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1627.0,1874.5 1627.0,1740.0 1560.8,1761.5 1570.5,1334.4 1504.8,1053.2 1283.2,958.9 677.6,937.5 395.7,937.5 183.7,937.5 183.4,955.4 173.7,1835.5 173.4,1862.0 172.7,1926.0 777.7,1926.0 1627.0,1874.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[173.0,990.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99946899931648,40.02425043744748]}},{"type":"Feature","properties":{"resourceCoords":[173.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99956247926409,40.02274072640795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p206 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"6512.0"},{"label":"split_canvas_h","value":"3750.0"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"415.9,902.5 1342.0,902.5 1345.3,49.8 1345.4,32.4 1627.0,30.4 1627.0,23.5 1270.0,13.4 1.0,18.8 1.0,41.2 163.1,42.0 187.2,476.4 147.7,476.3 190.3,902.5 205.5,902.5 415.9,902.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0206__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[453.0,902.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0017195,40.0228175]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,902.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9995617,40.0227272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0207/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p207","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0207/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0207","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.5,1014.8 92.3,1014.8 93.8,585.1 100.2,585.1 99.0,151.2 293.6,150.4 1227.9,146.8 1228.0,172.7 1228.0,239.7 1354.6,235.5 1430.7,1792.0 344.6,1727.1 344.1,1618.7 98.7,1741.7 98.4,1514.3 123.2,1514.2 47.7,1240.9 43.6,1240.9 96.5,1014.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0207/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[339.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0018223,40.0212257]}},{"type":"Feature","properties":{"resourceCoords":[1228.0,581.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9996228,40.0219273]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p208","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0208/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0208","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1521.8,161.3 1521.3,29.9 1534.8,25.4 1589.2,80.6 1604.6,1467.1 1627.0,1469.8 1627.0,1678.8 310.9,1860.7 231.2,226.3 686.5,221.3 1521.8,161.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0208/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[105.0,572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9996228,40.0219273]}},{"type":"Feature","properties":{"resourceCoords":[105.0,139.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9995617,40.0227272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p209","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.47"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0209/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0209","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.0,1624.5 1576.7,1583.6 1539.0,1585.9 1351.2,765.7 1342.5,734.1 1325.3,671.6 1323.1,636.2 1388.7,631.1 1388.9,626.6 1312.8,626.3 1289.2,540.2 1216.6,285.7 1155.0,61.5 1139.6,1.0 1124.0,1.0 1129.2,28.3 292.2,71.8 121.5,65.2 116.0,39.6 67.3,83.7 73.0,112.9 35.4,156.3 51.6,177.3 62.7,602.3 61.8,1864.7 482.1,1842.8 782.4,1903.3 846.6,1900.8 843.1,1888.3 1165.4,1773.8 1160.0,1753.7 1607.3,1694.5 1603.2,1679.7 1588.0,1624.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0209/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1218.0,290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01347656273802,40.02249439927217]}},{"type":"Feature","properties":{"resourceCoords":[1158.0,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01368852808673,40.02331862903165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0210/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p210","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0210/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0210","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"371.4,1854.9 430.7,1850.4 1311.8,1895.6 1414.3,1900.8 1506.7,668.0 1469.2,673.4 1577.7,45.4 1425.6,30.4 1430.7,24.5 631.2,15.2 473.0,15.9 243.5,4.3 157.6,1.0 131.9,1.0 131.0,9.0 34.1,10.5 34.0,11.0 1.0,11.0 1.0,86.4 26.4,208.0 39.7,271.9 311.2,1926.0 348.8,1926.0 386.3,1926.0 383.4,1912.1 372.2,1858.7 371.4,1854.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0210/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1370.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00982192986062,40.019978025975455]}},{"type":"Feature","properties":{"resourceCoords":[1013.0,1851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01069667178187,40.0178188370122]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0211/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p211","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0211/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0211","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"391.9,1871.5 359.1,1871.6 281.5,1871.9 147.1,1872.5 170.2,658.6 133.8,666.0 205.8,43.6 858.2,45.7 859.3,59.6 1574.4,29.5 1536.8,372.5 1541.9,371.4 1545.5,1347.8 1477.5,1372.3 1477.8,1466.4 1503.8,1570.5 1516.2,1866.5 391.9,1871.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0211/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1405.0,400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00645027543942,40.02031904490383]}},{"type":"Feature","properties":{"resourceCoords":[1712.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00592618371323,40.01756775796659]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0212/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p212","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0212/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0212","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.5,1871.0 1592.6,1869.0 1585.7,1311.3 1574.4,1311.6 1571.8,287.8 1596.5,287.7 1521.0,15.5 959.4,16.4 959.4,1.0 566.0,1.0 101.7,19.2 62.7,364.9 67.9,363.9 68.7,1348.4 1.0,1372.6 1.0,1471.8 26.0,1573.0 37.6,1871.4 256.5,1871.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0212/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[455.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00530753871134,40.018664259852095]}},{"type":"Feature","properties":{"resourceCoords":[1597.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00263871258842,40.01741928355762]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0213/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p213","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0213/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0213","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.4,1146.2 138.2,1146.7 125.4,351.5 367.6,225.6 369.6,333.3 1450.1,381.7 1457.2,492.5 1553.3,480.1 1590.1,888.8 1564.5,882.2 1564.4,1680.0 1538.1,1680.4 947.3,1689.1 404.4,1698.8 163.9,1702.4 149.4,1146.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0213/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[153.0,1140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00257671022912,40.01844769963383]}},{"type":"Feature","properties":{"resourceCoords":[383.0,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00184120644069,40.02028246478713]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0214/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p214","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0214/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0214","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.1,887.5 177.3,895.0 152.4,474.9 52.8,484.5 51.8,453.7 1410.0,288.7 1413.4,75.1 1473.5,83.3 1530.1,707.6 1493.1,1425.4 1523.8,1731.7 924.5,1739.0 888.8,1716.0 301.7,1707.8 125.1,1705.4 151.1,887.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0214/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99938416577501,40.02034868629987]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99556741076441,40.02022345066721]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99575961724085,40.01673920467282]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99957637225145,40.016864440305476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0215/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p215","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0215/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0215","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1546.0,1858.0 1547.4,1250.1 1551.3,946.9 1553.2,340.9 1553.3,313.9 673.1,187.2 672.6,228.3 1.0,273.1 1.0,299.1 103.4,323.8 69.6,450.6 138.2,620.9 42.5,1188.2 99.1,1809.4 65.9,1862.0 666.7,1874.8 666.9,1855.3 1546.0,1858.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0215/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[670.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0140253,40.0163649]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0113457,40.0144722]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0216/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p216","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0216/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0216","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"223.1,1851.4 291.5,1853.4 530.2,1856.7 1433.2,1854.6 1431.7,1238.9 1434.7,929.9 1435.0,374.0 1446.4,316.6 1436.7,314.0 1360.9,293.8 1130.8,232.7 283.2,7.8 258.4,1.0 224.7,1.0 224.7,3.9 224.6,58.1 224.5,156.4 224.4,269.6 224.3,327.2 224.9,936.0 222.1,1240.7 223.1,1851.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0216/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[831.0,933.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0103527,40.0163567]}},{"type":"Feature","properties":{"resourceCoords":[831.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0099085,40.014688]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0217/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p217","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0217/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0217","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3.3,281.1 141.9,817.5 216.2,1116.3 371.4,1709.8 1242.4,1481.1 1627.0,1379.8 1627.0,1217.9 1375.8,231.3 1157.0,230.0 23.1,223.1 1.0,222.9 1.0,271.0 3.3,281.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0217/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[801.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0073562,40.0162501]}},{"type":"Feature","properties":{"resourceCoords":[1515.0,778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0056087,40.016525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0218/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p218","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0218/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0218","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.4,231.6 1608.1,231.3 1620.4,1398.1 1621.2,1694.4 1621.3,1706.0 1378.7,1751.7 1378.7,1759.7 1139.4,1750.8 900.4,1735.7 900.3,1714.1 420.5,1800.3 389.4,1683.7 310.1,1386.2 282.6,1393.6 271.9,1396.5 269.7,1232.5 7.5,233.2 1363.4,231.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0218/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1136.0,1377.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0033538,40.0153433]}},{"type":"Feature","properties":{"resourceCoords":[215.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0053822,40.0175273]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p219","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0219/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0219","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1406.8,1812.2 1107.7,1811.1 661.8,1806.4 294.3,1806.8 227.8,1809.2 227.9,1770.0 227.9,1531.8 229.2,1238.4 225.0,83.0 771.9,84.7 1367.1,88.4 1390.2,88.5 1388.3,1268.8 1410.1,1268.8 1411.9,1812.2 1406.8,1812.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0219/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[667.0,1266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.001156,40.015159]}},{"type":"Feature","properties":{"resourceCoords":[225.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0020683,40.017379]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0220/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p220","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0220/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0220","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1592.5,535.3 1581.8,1711.6 1627.0,1730.2 1627.0,1777.3 922.3,1824.6 922.0,1805.8 419.6,1815.2 398.5,1815.5 210.2,1818.6 197.6,1271.2 175.6,1271.8 154.1,82.9 331.0,80.1 907.7,71.1 943.5,92.9 1531.8,68.3 1592.5,535.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[956.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99756253248748,40.01499653226902]}},{"type":"Feature","properties":{"resourceCoords":[956.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99765685823638,40.01400028271345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0221__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p221 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0221__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0221","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.8,1670.6 1329.8,1575.0 1522.1,1167.6 1586.0,1015.4 1602.2,930.4 1598.2,67.8 1598.1,32.4 855.5,33.7 644.8,47.4 630.9,90.4 452.3,107.1 321.8,43.6 133.6,119.3 129.6,291.7 41.5,470.1 40.1,1313.2 364.8,1432.2 508.9,1469.5 506.9,1477.8 1252.7,1715.4 1276.8,1670.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0221__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1591.0,639.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01315655482776,40.01302057917693]}},{"type":"Feature","properties":{"resourceCoords":[1591.0,31.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01343833590431,40.014109685871645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p222","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0222/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0222","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.9,1685.1 184.2,1590.7 382.2,1187.6 448.2,1037.0 465.8,952.5 475.2,92.6 476.0,37.6 1365.6,45.8 1364.5,118.8 1356.0,666.0 1356.2,995.8 1350.5,1455.0 1345.0,1838.3 598.0,1813.5 129.9,1685.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0222/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1356.0,666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.011057,40.0133577]}},{"type":"Feature","properties":{"resourceCoords":[472.0,351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0132824,40.0135823]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p223","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"25"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0223/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0223","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"826.6,1460.3 954.0,1457.9 1425.0,1589.4 1434.2,1543.0 1438.1,1133.3 1438.3,824.2 1442.0,626.4 1444.2,9.3 537.4,5.8 297.7,1.1 291.4,1.0 229.0,1.0 228.2,71.5 222.0,617.0 223.6,945.8 219.8,1403.7 421.7,1407.3 779.0,1409.7 829.8,1419.8 826.6,1460.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0223/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[532.0,945.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0101673,40.0128851]}},{"type":"Feature","properties":{"resourceCoords":[222.0,617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.011057,40.0133577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0224/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p224","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0224/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0224","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"190.1,1541.3 190.8,1133.5 188.7,825.8 190.8,628.8 188.2,14.5 1091.7,9.9 1502.7,7.6 1530.8,7.5 1531.2,311.9 1531.7,585.9 1533.1,1533.1 1533.6,1896.0 782.4,1743.3 782.0,1744.7 491.5,1670.2 181.3,1587.6 190.1,1541.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0224/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.0,927.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0066256,40.0134825]}},{"type":"Feature","properties":{"resourceCoords":[792.0,315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0069179,40.0145897]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p225","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0225/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0225","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1271.6,1717.3 1091.8,1674.2 1022.9,1662.5 43.2,1413.2 268.0,486.0 1001.8,491.8 997.7,115.4 1196.7,114.8 1548.5,109.6 1598.7,118.5 1596.0,166.3 1605.0,510.3 1615.2,1231.5 1624.5,1593.2 1573.4,1795.3 1271.6,1717.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0225/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1269.0,1225.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0095248,40.0100014]}},{"type":"Feature","properties":{"resourceCoords":[268.0,486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.012254,40.0110111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p226","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0226/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0226","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"240.0,8.0 235.2,356.4 216.5,1086.7 211.2,1453.1 151.4,1655.6 195.0,1670.0 980.2,1910.5 1023.7,1749.4 1194.2,1166.2 1314.0,739.3 1378.5,518.7 1432.8,313.1 1143.7,230.8 835.1,139.8 371.2,1.0 240.7,1.0 240.0,8.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0226/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1111.0,1443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0064043959413,40.00983815919747]}},{"type":"Feature","properties":{"resourceCoords":[219.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00864709749793,40.00997656812448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p227","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0227/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0227","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"507.5,1214.4 263.2,294.6 223.3,144.4 700.1,59.2 700.2,80.7 937.6,95.9 1175.3,105.0 1175.3,97.1 1416.3,52.0 1417.7,279.3 1417.8,318.6 1419.0,908.0 1421.7,1160.8 1420.8,1359.4 1422.6,1831.5 1181.5,1830.6 1181.4,1820.8 738.8,1627.8 738.8,1569.0 601.6,1568.8 507.5,1214.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0227/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[739.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0041175,40.0115051]}},{"type":"Feature","properties":{"resourceCoords":[1419.0,908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00236,40.013121]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p228","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0228/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0228","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.9,1615.3 39.9,1003.4 32.3,557.0 30.9,325.5 23.8,111.5 23.8,110.0 795.8,60.6 796.3,62.6 934.1,61.9 934.5,121.0 1380.3,311.9 1380.4,321.8 1622.5,321.1 1625.2,458.4 1627.0,646.1 1627.0,1531.8 1627.0,1781.7 1606.5,1781.7 48.4,1783.3 43.9,1615.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[936.0,323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0041175,40.0115051]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,1295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0031862,40.0096769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0229/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p229","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0229/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0229","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.4,1624.7 138.3,1152.0 139.5,953.1 137.2,699.9 136.8,109.7 203.6,107.0 572.8,105.0 1020.8,107.7 1321.3,107.5 1514.2,107.3 1535.2,107.3 1534.2,383.6 1537.4,1478.2 1540.7,1761.3 1509.8,1761.2 1291.7,1760.6 1025.1,1763.0 141.0,1761.7 139.4,1624.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0229/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1022.0,699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.000244,40.01303]}},{"type":"Feature","properties":{"resourceCoords":[576.0,1763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.001456,40.011128]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p230","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0230/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0230","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.5,1474.3 166.3,381.2 167.5,105.2 668.0,104.0 668.0,122.7 1370.5,87.0 1371.3,40.1 1477.3,85.9 1526.5,46.3 1593.4,189.7 1611.5,1556.8 1544.0,1663.5 1554.3,1846.8 1499.9,1862.7 1499.1,1798.8 668.0,1747.5 668.0,1757.0 171.4,1757.2 168.5,1474.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0230/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[668.0,1757.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99796,40.010979]}},{"type":"Feature","properties":{"resourceCoords":[668.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9977373,40.0140106]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p231","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0231/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0231","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.7,1482.9 162.7,1482.9 162.9,338.1 161.1,148.8 1055.0,143.3 1324.5,138.9 1426.2,138.4 1373.7,662.9 1366.9,662.9 1347.2,1186.5 1350.8,1186.5 1357.6,1705.7 1350.7,1705.7 1069.2,1705.9 1064.0,1340.5 172.6,1347.6 174.8,1482.9 163.7,1482.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0231/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1060.0,1188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0005304586534,40.0091889859734]}},{"type":"Feature","properties":{"resourceCoords":[173.0,465.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00251633016386,40.01060216505409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p232","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0232/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0232","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.6,669.5 82.3,669.5 137.2,146.9 255.8,147.0 286.8,147.0 788.0,145.0 788.0,135.4 1627.0,184.1 1627.0,248.8 1588.0,260.4 1593.0,1581.7 1604.3,1647.9 1627.0,1645.3 1627.0,1697.4 792.4,1728.4 792.5,1712.1 512.3,1710.9 61.2,1709.0 56.9,1191.4 53.3,1191.4 75.6,669.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0232/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[788.0,1193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.998109,40.009075]}},{"type":"Feature","properties":{"resourceCoords":[788.0,145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99796,40.010979]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0234/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p234","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0234/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0234","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1375.7,1783.8 1376.5,1717.7 1489.0,1719.1 1489.1,1134.8 1489.0,167.0 1005.5,164.9 993.2,213.9 217.4,166.6 217.3,158.1 104.5,160.9 127.8,1173.2 113.0,1453.1 64.0,1499.7 108.6,1651.6 1.0,1646.5 1.0,1690.8 619.8,1755.2 624.0,1703.9 876.1,1709.2 1255.3,1715.8 1375.7,1783.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0234/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1489.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0123076,40.0102213]}},{"type":"Feature","properties":{"resourceCoords":[1489.0,167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.012254,40.0110111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p236","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0236/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0236","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"702.5,116.0 1343.4,166.9 1346.5,113.8 1606.7,112.9 1567.5,656.1 1539.3,948.1 1519.6,1254.1 1532.8,1253.9 1534.9,1897.3 40.0,1862.7 27.0,603.8 72.4,205.7 48.0,184.8 59.8,65.0 104.9,134.9 357.4,62.4 701.4,70.3 702.5,116.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0236/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1512.0,1258.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01433933215316,40.006214533484226]}},{"type":"Feature","properties":{"resourceCoords":[1512.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01423616369111,40.007245460608594]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0237/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p237","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0237/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0237","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.4,1188.2 233.5,1188.2 258.6,887.2 291.9,600.2 340.6,66.0 726.0,70.6 1627.0,573.2 1627.0,602.2 1483.3,602.0 1481.2,1190.8 1312.7,1190.4 1177.7,1788.6 1177.3,1777.8 261.7,1823.0 236.5,1821.8 246.4,1188.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0237/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[210.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01437570487111,40.006232246719]}},{"type":"Feature","properties":{"resourceCoords":[290.0,602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01410819892111,40.00727377103842]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0238/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p238","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0238/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0238","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"772.0,1164.3 772.2,1193.0 630.2,1193.8 632.0,1775.7 648.5,1775.6 1135.5,1774.5 1244.5,1769.1 1454.0,1743.9 1527.5,1733.3 1380.6,1058.4 1303.0,693.8 1245.3,492.1 1136.0,86.2 106.0,87.0 113.0,673.9 1.0,673.8 1.0,740.8 772.0,1164.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0238/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0123744,40.0092335]}},{"type":"Feature","properties":{"resourceCoords":[106.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0124642,40.0081609]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0239/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p239","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0239/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0239","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"462.7,1759.7 625.9,1753.2 1183.0,1751.0 1491.5,1748.4 1535.3,1748.0 1547.7,1083.1 1557.2,1083.0 1526.0,522.9 1454.0,523.0 1450.2,115.5 623.6,111.2 577.5,109.8 259.6,109.6 71.1,112.8 1.0,118.7 1.0,122.0 110.3,524.6 168.4,726.3 246.8,1090.9 395.2,1765.8 462.7,1759.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0239/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1183.0,1751.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0073545,40.0059906]}},{"type":"Feature","properties":{"resourceCoords":[1454.0,523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0065146,40.0082003]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p240","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0240/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0240","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1317.6,1729.8 630.7,1740.1 235.8,1743.7 103.5,1745.7 112.5,1081.6 122.0,1081.4 88.0,522.3 16.1,522.7 10.3,115.8 1565.7,104.5 1598.2,104.3 1603.2,512.8 1616.9,1225.0 1623.9,1728.9 1317.6,1729.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[634.0,1071.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00513333180996,40.00711759988389]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00293359600246,40.00575560504398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p241 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"19"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1335.6,1836.5 1356.0,1850.5 1356.0,1773.5 1356.0,1610.5 1359.2,1608.6 1379.7,1596.3 1379.5,1551.5 1501.4,1428.7 1467.7,896.5 1464.4,896.5 1472.0,375.6 1270.1,374.1 992.4,371.9 990.4,11.4 110.7,10.9 111.8,144.4 110.8,551.5 114.0,1261.4 113.5,1763.6 995.0,1764.0 995.6,1879.8 995.9,1926.0 1202.7,1926.0 1266.2,1858.5 1289.6,1805.3 1335.6,1836.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[112.0,744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0027487,40.0076582]}},{"type":"Feature","properties":{"resourceCoords":[995.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00077,40.005694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p241 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5424.0"},{"label":"split_canvas_y","value":"5790.8"},{"label":"split_canvas_w","value":"1088.0"},{"label":"split_canvas_h","value":"1917.2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.8,1924.8 1545.9,1911.8 1564.0,1892.8 1626.7,1706.3 1625.8,1669.0 1622.5,1654.8 1613.8,1649.3 1383.0,1656.5 1370.3,1666.8 1366.4,1682.7 1370.6,1734.2 1391.9,1894.2 1426.9,1916.3 1458.7,1924.1 1488.8,1924.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0241__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1356.0,1447.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00064449483507,40.005983644423075]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1447.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00000610262389,40.005872898756884]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0002612277051,40.005009908623606]}},{"type":"Feature","properties":{"resourceCoords":[1356.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00089961991628,40.0051206542898]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,1817.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0007955,40.0053101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0242/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p242","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0242/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0242","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.4,1425.2 199.0,1411.0 627.8,1595.2 627.9,1744.9 627.9,1748.1 1627.0,1655.1 1627.0,1630.0 1627.0,1586.3 1571.2,1581.4 1584.2,129.8 1573.5,64.1 1456.8,76.3 1456.3,128.0 627.8,152.1 628.0,136.0 350.0,132.6 98.0,129.5 88.0,651.7 91.3,651.7 122.7,1185.5 1.0,1307.2 1.0,1625.6 6.1,1629.0 62.3,1530.6 152.4,1425.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0242/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[628.0,1718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9983688,40.0052339]}},{"type":"Feature","properties":{"resourceCoords":[628.0,136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9981723,40.0081314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0244__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p244 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"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":"4894.0"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0244__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0244","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.5,1194.4 1353.0,1215.0 1353.0,1219.0 1509.5,1221.8 1306.5,168.1 1310.1,1.0 1265.8,1.0 1201.0,2.4 996.1,23.6 889.6,27.1 414.1,20.2 235.4,18.0 99.2,593.7 113.5,1194.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0244__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1464.0,1025.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00888732656922,40.00410717371552]}},{"type":"Feature","properties":{"resourceCoords":[1302.0,24.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0091675946773,40.00599858014692]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0245/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p245","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0245/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0245","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"343.2,1926.0 351.8,1926.0 314.1,1760.0 373.8,1699.7 630.6,1696.3 1624.9,1693.1 1618.9,942.4 1619.5,741.8 1614.6,141.2 1222.8,143.9 1048.2,146.2 742.5,149.7 190.7,153.6 29.0,160.5 1.0,163.1 1.0,348.3 229.4,1409.0 70.5,1409.6 78.9,1844.1 328.6,1856.1 343.2,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0245/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[757.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00731841799754,40.00600304156214]}},{"type":"Feature","properties":{"resourceCoords":[757.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00749734887508,40.00402368428235]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0246/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p246","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0246/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0246","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"323.5,940.4 325.4,738.2 324.0,133.0 1010.7,128.3 1317.0,129.8 1329.4,1207.5 1329.5,1341.4 1317.8,1454.8 1262.1,1686.4 1260.6,1693.2 580.8,1812.7 470.2,1926.0 323.3,1926.0 284.7,1838.3 312.5,1767.3 325.0,1697.0 323.5,940.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0246/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[325.0,1697.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0054887,40.0030337]}},{"type":"Feature","properties":{"resourceCoords":[324.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.005255,40.005895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0247/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p247","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0247/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0247","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"637.0,1685.3 299.0,1686.5 308.8,1642.6 365.4,1412.9 377.7,1300.4 378.3,1167.4 372.0,97.0 1250.3,96.3 1251.1,211.8 1251.8,304.6 1251.9,377.5 1256.4,811.0 1255.8,1172.8 1259.2,1355.0 1260.0,1689.5 637.0,1685.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0247/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1254.0,811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0008602,40.0043768]}},{"type":"Feature","properties":{"resourceCoords":[372.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.002883,40.005786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0248__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p248 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0248__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0248","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1567.9,1882.0 1568.6,1846.1 1576.7,1391.8 1581.3,1037.4 1589.1,716.5 1590.8,537.4 1595.2,335.4 1597.7,188.3 1181.8,1.0 1144.5,1.0 1133.6,13.0 1043.2,115.0 986.3,210.8 980.4,206.7 984.0,1.0 960.4,1.0 956.2,189.4 936.4,175.2 891.7,143.4 867.5,195.4 803.5,260.5 599.8,256.0 599.0,302.3 597.5,374.4 594.1,553.4 591.7,849.5 590.9,849.5 583.2,1160.7 582.4,1340.8 575.5,1671.6 573.0,1856.8 1567.9,1882.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0248__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1568.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99852215934061,40.00332354085876]}},{"type":"Feature","properties":{"resourceCoords":[574.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00098652318422,40.00241160186664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0249/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p249","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0249/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0249","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.1,1736.6 139.0,1562.9 139.0,1276.7 137.4,917.7 139.6,592.8 138.1,411.4 138.9,210.0 1132.9,117.3 1132.9,48.9 1548.6,85.5 1626.2,308.6 1625.4,1561.7 1550.8,1856.1 1245.7,1792.8 1243.8,1781.3 1189.0,1781.0 917.8,1778.9 139.0,1773.0 139.1,1736.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0249/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[139.0,180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9983688,40.0052339]}},{"type":"Feature","properties":{"resourceCoords":[139.0,1773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9985681,40.0023013]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0250/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p250","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0250/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0250","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.0,1196.0 118.0,722.0 114.6,181.1 906.0,184.4 1237.2,185.8 1239.2,197.4 1549.4,260.7 1545.0,278.4 1602.7,513.5 1600.4,1682.7 1627.0,1698.3 1627.0,1715.1 1627.0,1728.3 1460.8,1720.1 1460.7,1717.5 1458.0,1687.2 1215.8,1683.9 1194.1,1715.8 1145.9,1734.4 686.7,1729.0 642.5,1716.9 616.0,1677.5 120.1,1675.8 118.0,1196.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0250/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9986931,40.0004623]}},{"type":"Feature","properties":{"resourceCoords":[118.0,722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.998631,40.001321]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p251","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0251/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0251","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1369.1,1201.1 1338.1,1847.9 1138.1,1848.0 895.0,1848.2 570.0,1907.5 587.8,1825.0 480.4,1758.5 421.6,1423.8 148.1,1404.9 140.9,1295.0 309.4,1283.9 385.2,1205.3 216.8,390.8 225.2,389.8 187.8,222.7 248.2,162.3 506.5,159.8 1506.5,160.3 1494.2,230.4 1466.7,301.4 1340.0,468.1 1285.0,564.7 1212.8,733.9 1145.0,967.3 1126.5,1085.8 1180.3,1165.2 1255.8,1211.2 1343.4,1202.5 1369.1,1201.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0251/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[669.0,808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0075942571613,40.001947084629336]}},{"type":"Feature","properties":{"resourceCoords":[866.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0072853769074,40.00002457631602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p252","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0252/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0252","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"340.2,1840.5 308.4,1839.9 350.9,1187.1 324.9,1188.1 236.2,1195.3 160.8,1147.5 107.8,1066.4 128.6,947.0 201.1,712.4 277.0,542.7 334.2,446.0 465.1,279.8 502.7,368.8 650.9,371.0 764.0,258.4 1451.3,148.2 1442.5,185.8 1414.0,309.8 1396.5,613.4 1367.0,764.3 1326.0,920.3 1310.1,1018.3 1306.3,1125.2 1314.0,1238.4 1320.8,1270.8 1338.5,1459.7 1334.2,1856.9 1118.0,1853.2 993.0,1851.2 340.2,1840.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0252/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1460.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00323800304807,40.002852068552365]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00372073061527,39.99986694586883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p253","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0253/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0253","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"311.3,1370.0 291.7,1181.9 284.7,1149.7 275.8,1037.0 278.5,930.4 293.4,832.5 332.6,676.6 360.5,525.9 374.9,223.1 402.0,99.2 744.2,97.6 1374.8,101.4 1376.8,291.0 1381.6,827.3 1381.0,1152.0 1385.7,1722.7 1388.6,1772.8 599.0,1769.1 311.0,1766.0 311.3,1370.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0253/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[311.0,1766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0037267,39.9998401]}},{"type":"Feature","properties":{"resourceCoords":[1381.0,1152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0010985,40.000844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p254","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0254/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0254","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"312.0,1763.3 309.5,1713.0 309.9,1141.0 313.4,815.5 313.4,277.9 1334.4,288.2 1334.7,827.7 1331.9,1300.4 1331.2,1778.9 312.0,1763.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0254/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[318.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00109765531079,40.00055976733414]}},{"type":"Feature","properties":{"resourceCoords":[1334.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99855092314003,40.00258333562571]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p255","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0255/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0255","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"398.9,62.6 643.4,62.4 876.3,62.2 1526.0,61.6 1532.6,61.6 1528.5,678.1 1534.8,678.1 1535.2,1239.0 1560.5,1239.0 1537.7,1806.6 1083.8,1807.6 422.7,1809.0 428.2,1835.0 132.1,1805.4 116.3,1340.2 174.5,1099.5 44.7,249.6 72.2,122.3 398.9,62.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0255/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[547.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00696163374248,39.99886306253735]}},{"type":"Feature","properties":{"resourceCoords":[193.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00780392867715,39.99890544740825]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0256/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p256","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0256/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0256","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.8,1808.3 109.2,1808.2 134.3,1241.7 109.0,1241.6 110.9,681.7 104.5,681.7 111.2,66.3 228.9,66.7 443.7,67.4 730.8,69.6 1517.7,70.8 1524.8,1210.8 1533.9,1810.8 459.0,1808.8 120.8,1808.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0256/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[448.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0038067,39.9987171]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0013215,39.9975695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0257/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p257","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0257/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0257","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"314.4,1797.7 310.4,1198.5 312.9,60.1 1324.9,72.0 1326.0,709.1 1325.4,1808.2 314.4,1797.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0257/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1326.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9988968,39.9974519]}},{"type":"Feature","properties":{"resourceCoords":[1326.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9988258,39.9984766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0258/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p258","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0258/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0258","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"531.6,58.9 557.8,98.1 601.5,110.2 1057.6,117.8 1105.6,99.5 1127.3,68.0 1367.9,72.3 1370.4,102.5 1535.5,114.0 1535.7,84.2 1551.3,114.8 1525.7,245.2 1592.9,404.4 1625.4,898.2 1560.3,1803.6 1521.5,1807.6 1388.4,1808.1 35.3,1812.7 35.4,1796.3 38.6,694.0 39.0,54.8 531.6,58.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0258/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[62.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99883966542662,39.997424856062445]}},{"type":"Feature","properties":{"resourceCoords":[1455.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99552221901556,39.99729600903066]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0259/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p259","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0259/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0259","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.3,1843.0 319.5,1059.8 281.7,906.8 197.7,878.0 154.3,875.1 181.7,553.6 114.7,54.0 97.9,52.1 92.5,26.1 754.5,28.5 1220.7,30.1 1559.9,31.3 1564.1,613.3 1555.1,613.3 1557.8,1134.9 1549.0,1134.8 1549.3,1832.2 1457.6,1833.2 484.3,1843.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0259/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.0,613.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00641757523708,39.99570816903425]}},{"type":"Feature","properties":{"resourceCoords":[804.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00600047519445,39.99344839554495]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p260","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0260/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0260","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"416.7,1825.3 213.9,1827.0 214.4,1134.2 223.1,1134.3 221.1,616.0 230.0,616.0 226.5,37.8 1297.7,42.6 1295.8,162.9 1305.2,1138.3 1308.4,1768.6 1308.6,1786.2 711.4,1794.1 711.0,1822.6 416.7,1825.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0260/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[230.0,616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.004019,39.9955975]}},{"type":"Feature","properties":{"resourceCoords":[993.0,1459.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0023121,39.9939699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0261/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p261","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0261/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0261","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.5,1782.4 142.8,1144.1 134.1,156.3 136.2,34.5 1158.0,40.0 1158.0,56.5 1436.7,53.5 1442.9,619.4 1446.9,619.4 1502.2,1148.9 1486.2,1149.0 1421.6,1779.0 1211.3,1779.5 657.0,1781.0 145.5,1782.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0261/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[657.0,1781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0003922,39.9933173]}},{"type":"Feature","properties":{"resourceCoords":[1158.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99897,39.996416]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0262/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p262","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0262/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0262","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.9,1757.9 47.7,1757.8 118.5,1136.5 134.2,1136.5 85.4,613.1 81.4,613.0 81.5,54.3 1152.6,54.7 1285.0,54.8 1425.0,54.8 1581.6,60.9 1577.2,1693.8 1595.0,1759.2 1611.8,1766.1 1433.2,1827.4 1428.8,1796.3 1379.8,1769.1 305.9,1759.9 63.9,1757.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0262/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.996753,39.994316]}},{"type":"Feature","properties":{"resourceCoords":[307.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.997895,39.994357]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0263/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p263","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0263/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0263","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"522.9,1840.0 926.3,1840.0 1575.2,1840.0 1585.2,1840.0 1566.0,1255.9 1534.2,1255.9 1580.7,665.4 1540.2,664.8 1583.7,340.6 1332.8,352.6 1290.6,237.5 416.8,330.6 385.4,134.4 135.7,117.2 56.2,750.3 123.0,1837.5 1.0,1837.0 1.0,1889.0 128.4,1844.6 522.9,1828.5 522.9,1840.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0263/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[504.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.018531,39.992325]}},{"type":"Feature","properties":{"resourceCoords":[1423.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0163199,39.9922439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0264/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p264","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0264/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0264","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"197.8,1843.7 104.7,1844.0 83.8,1261.3 52.0,1261.4 96.5,672.0 56.1,671.5 98.5,347.9 110.5,347.2 116.2,212.6 129.3,112.4 455.2,88.7 592.5,18.3 786.4,17.3 1452.5,23.2 1575.8,89.7 1584.9,656.2 1583.0,944.3 1583.0,1840.0 497.8,1842.8 197.8,1843.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0264/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1583.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0123651,39.9920977]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0122933,39.9931764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0265/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p265","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0265/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0265","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"289.9,1872.0 279.3,967.4 277.8,676.5 261.9,104.4 807.6,26.2 1295.5,16.1 1344.8,15.4 1351.5,666.0 1365.8,1856.7 289.9,1872.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0265/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[821.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01091816301636,39.99423358345782]}},{"type":"Feature","properties":{"resourceCoords":[821.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01100747943839,39.99314246488256]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0266/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p266","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0266/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0266","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"712.7,1877.7 341.3,1878.0 138.2,1878.2 139.9,683.8 141.9,31.2 838.1,25.7 1047.7,74.5 1051.2,38.6 1094.5,42.0 1178.0,71.6 1214.2,224.9 1370.5,1009.3 1497.2,1652.3 1543.1,1877.1 712.7,1877.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0266/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1363.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00677875906798,39.99347896159236]}},{"type":"Feature","properties":{"resourceCoords":[1480.0,1643.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00657478655508,39.992310504518976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0267/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p267","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0267/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0267","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1003.6,1770.8 824.0,1772.4 662.8,1787.2 544.5,1820.2 367.6,1877.2 179.4,960.5 132.7,737.8 3.9,100.8 968.4,96.5 1261.5,95.2 1555.0,93.8 1560.8,1770.4 1003.6,1770.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0267/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[504.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00571056904097,39.9913170093792]}},{"type":"Feature","properties":{"resourceCoords":[40.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00667418750223,39.993473808615214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0268/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p268","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0268/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0268","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"836.8,1866.3 834.9,1762.9 519.0,1769.0 239.8,1771.6 220.8,93.0 221.1,64.6 817.5,54.7 817.2,37.0 1321.6,33.5 1332.0,883.0 1332.1,1038.3 1344.1,1862.2 836.8,1866.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0268/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1332.0,883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.000494,39.991757]}},{"type":"Feature","properties":{"resourceCoords":[519.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0025737,39.9902239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0269/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p269","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0269/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0269","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1405.8,1830.7 1354.0,405.3 1343.3,25.8 1342.6,1.0 1271.9,1.0 1099.7,3.4 875.3,9.8 326.4,25.6 355.4,878.5 358.9,1034.5 389.0,1861.7 896.0,1846.2 1405.8,1830.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0269/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[868.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99946627981161,39.98992460862943]}},{"type":"Feature","properties":{"resourceCoords":[1372.0,22.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99790226242597,39.99316334706563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p270","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0270/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0270","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.5,1831.3 101.5,426.6 103.5,52.7 103.7,23.7 1164.7,29.0 1213.2,55.8 1217.7,86.5 1394.0,25.3 1585.0,102.5 1608.2,1714.7 1627.0,1716.5 1627.0,1780.7 1419.5,1889.6 1414.3,1845.6 987.0,1813.0 987.0,1834.0 574.5,1832.8 105.5,1831.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0270/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[987.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9960486,39.9897716]}},{"type":"Feature","properties":{"resourceCoords":[987.0,28.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9958279,39.993124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0271/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p271","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0271/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0271","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1627.0,24.0 1608.0,24.0 1608.0,958.0 1627.0,958.0 1627.0,1036.6 1595.7,1811.3 59.6,1853.8 35.4,107.7 90.0,16.7 1100.8,20.9 1100.8,73.5 1230.0,28.6 1627.0,12.5 1627.0,24.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0271/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1608.0,958.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0186376,39.9906142]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,24.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.018531,39.992325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0272/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p272","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0272/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0272","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1576.8,72.0 1577.0,322.0 1579.0,322.0 1581.4,870.3 1575.0,870.3 1577.0,1352.0 1582.1,1831.1 1582.2,1845.3 541.6,1879.4 387.6,1845.2 48.4,1862.8 17.0,121.7 1576.8,72.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0272/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1577.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0188783,39.9867158]}},{"type":"Feature","properties":{"resourceCoords":[1577.0,322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0187509,39.9885954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0273/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p273","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0273/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0273","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.0,1825.3 113.3,973.4 91.2,973.4 88.8,41.1 513.0,40.1 1164.9,38.6 1268.7,38.3 1570.7,37.6 1570.9,304.4 1574.3,695.5 1574.4,967.0 1588.2,967.0 1571.9,1794.2 482.8,1819.0 482.7,1809.4 99.4,1789.8 99.4,1796.5 99.4,1824.7 81.0,1825.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0273/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.017424,39.9922844]}},{"type":"Feature","properties":{"resourceCoords":[99.0,1523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0186849,39.9896052]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0274/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p274","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0274/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0274","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1019.5,1845.5 538.7,1842.3 64.9,1834.7 62.1,1359.2 62.5,881.1 68.8,881.2 69.0,337.0 67.0,337.0 68.2,60.7 68.2,54.0 450.6,74.8 450.6,84.3 1545.4,62.9 1558.1,885.7 1553.5,885.6 1551.5,1853.5 1019.5,1845.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0274/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[986.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.016607,39.987506]}},{"type":"Feature","properties":{"resourceCoords":[67.0,337.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0187509,39.9885954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0275/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p275","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0275/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0275","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"184.1,1812.7 187.8,980.0 173.8,980.2 169.7,707.0 160.2,313.5 155.8,45.0 1255.3,26.1 1268.8,958.6 1521.3,953.8 1523.9,1783.9 1336.5,1788.5 1277.0,1797.3 954.2,1866.9 936.0,1784.0 184.1,1812.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0275/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[190.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01504407789464,39.990514959587195]}},{"type":"Feature","properties":{"resourceCoords":[190.0,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01490057275608,39.99219061913519]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0276/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p276","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0276/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0276","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"740.7,1846.5 179.0,1838.0 186.4,871.0 191.0,871.1 182.9,49.0 920.0,38.6 936.1,121.1 1257.4,59.9 1316.5,52.6 1502.2,52.5 1464.5,1860.4 740.7,1846.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0276/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1485.0,878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0121245,39.9873453]}},{"type":"Feature","properties":{"resourceCoords":[179.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0153589,39.9856775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0277/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p277","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0277/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0277","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"986.0,1791.5 415.0,1798.8 412.3,972.5 161.0,977.4 147.5,49.3 1221.8,30.9 1424.0,27.4 1479.8,26.4 1491.7,557.4 1505.1,557.3 1515.5,950.6 1522.5,950.5 1524.8,1781.6 986.0,1791.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0277/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[953.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0107145,39.9888117]}},{"type":"Feature","properties":{"resourceCoords":[688.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0110726,39.9920497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0278/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p278","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0278/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0278","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1305.4,1837.5 1303.0,1826.1 648.7,1824.5 648.9,1780.6 485.4,1783.3 157.0,1784.0 167.7,959.1 160.7,959.1 156.5,568.5 143.2,568.4 139.7,41.2 451.4,40.7 1272.1,39.6 1455.6,954.0 1538.2,1352.5 1604.8,1690.6 1627.0,1798.5 1305.4,1837.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0278/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[157.0,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.009347,39.988762]}},{"type":"Feature","properties":{"resourceCoords":[652.0,1510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.008122,39.989222]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0279/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p279","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0279/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0279","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1126.4,1842.8 842.4,1840.2 562.2,1843.3 33.4,1846.0 39.6,58.8 601.2,55.4 1131.3,49.2 1456.7,45.6 1618.6,41.4 1619.6,263.2 1617.3,857.8 1605.5,858.0 1627.0,1741.2 1627.0,1851.8 1126.4,1852.2 1126.4,1842.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0279/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1124.0,862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0094812475423,39.987249870474685]}},{"type":"Feature","properties":{"resourceCoords":[65.0,862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01205403576198,39.98736616446638]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0280/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p280","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0280/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0280","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.0,860.0 152.1,254.5 152.4,72.8 812.6,72.5 815.1,84.0 1139.5,43.7 1193.1,300.9 1265.7,658.4 1309.4,900.3 1341.0,1051.6 1403.7,1347.8 1506.2,1846.0 1510.3,1864.4 506.1,1857.3 494.9,1860.8 486.4,1867.3 152.2,1855.8 150.4,1760.5 134.0,860.0 146.0,860.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0280/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1301.0,853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0055253,39.9871047]}},{"type":"Feature","properties":{"resourceCoords":[146.0,860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0082823,39.9872035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0281/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p281","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0281/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0281","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"450.4,1848.9 404.7,1605.7 329.3,1246.5 250.1,878.8 179.1,536.1 91.4,132.2 270.2,73.7 389.6,39.6 552.8,23.9 734.5,21.3 1298.3,18.1 1580.5,16.2 1586.2,634.0 1583.4,828.4 1582.9,1462.7 1592.5,1787.8 589.6,1799.2 478.7,1810.4 450.9,1824.3 450.4,1848.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0281/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[253.0,874.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0058415235584,39.988809347111214]}},{"type":"Feature","properties":{"resourceCoords":[741.0,28.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00456546132153,39.99029313695025]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0282/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p282","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0282/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0282","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"609.2,1795.4 484.0,1808.8 482.0,1796.0 167.8,1798.5 158.6,1476.2 159.9,847.6 163.0,655.0 158.1,42.7 474.5,37.9 476.0,141.5 984.2,139.4 1490.0,137.0 1501.0,888.2 1503.2,1242.1 1509.3,1791.3 609.4,1795.4 609.2,1795.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0282/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[163.0,655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0026472,39.9891012]}},{"type":"Feature","properties":{"resourceCoords":[482.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.002043,39.986976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0283/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p283","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0283/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0283","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"409.9,1861.7 400.4,1306.1 395.9,948.1 379.9,188.1 894.5,182.5 1374.9,177.2 1382.3,476.2 1354.4,516.5 1366.1,933.1 1423.7,932.3 1426.1,1298.4 1392.2,1367.5 1397.7,1851.6 409.9,1861.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0283/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[905.0,946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99827541845964,39.98847529977899]}},{"type":"Feature","properties":{"resourceCoords":[905.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99815967854924,39.989851477192715]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0284/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p284","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0284/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0284","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"899.4,1831.4 899.3,1850.2 634.6,1843.2 470.6,1837.9 253.2,1835.0 266.4,1356.5 302.6,1289.6 314.2,927.8 257.2,926.4 261.7,514.4 290.9,475.7 295.0,180.0 712.5,191.7 713.1,170.4 1144.8,214.2 1149.1,258.9 1361.8,153.8 1364.5,89.0 1536.2,111.0 1589.4,175.8 1603.0,1285.7 1528.9,1829.9 899.4,1831.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0284/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,937.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9961098,39.9884044]}},{"type":"Feature","properties":{"resourceCoords":[295.0,180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9970478,39.9898125]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0285/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p285","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0285/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0285","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1607.0,1905.6 1607.0,1870.0 1620.8,1868.6 1558.7,1300.2 1531.7,1068.2 1478.5,568.8 1458.4,294.0 1451.8,156.6 1449.5,117.2 1135.1,88.6 151.2,1.0 28.9,1.0 28.0,11.0 1.0,11.0 1.0,70.6 14.4,189.3 49.2,490.8 104.8,997.4 109.4,1032.8 141.6,1329.9 192.3,1771.0 270.3,1778.5 428.4,1793.5 1585.9,1903.6 1607.0,1905.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0285/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00174495971312,39.98520684443175]}},{"type":"Feature","properties":{"resourceCoords":[160.0,1667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00496446501913,39.984051324956376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0286/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p286","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0286/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0286","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"282.9,26.4 288.6,163.7 306.7,438.3 356.1,937.5 381.5,1169.5 439.4,1737.8 425.4,1774.6 443.0,1776.5 445.1,1796.5 559.0,1789.1 1486.6,1883.3 1400.5,1031.5 1394.6,926.5 1374.3,769.3 1313.2,130.8 1307.0,91.5 418.3,1.0 281.7,1.0 282.9,26.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0286/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[823.0,377.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00070618159087,39.9863112276899]}},{"type":"Feature","properties":{"resourceCoords":[313.0,319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00192863948347,39.98637245748507]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0287/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p287","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0287/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0287","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1183.5,1816.2 622.6,1812.9 454.2,976.4 438.1,872.9 402.7,718.9 279.9,91.6 269.9,53.3 1246.8,57.4 1464.2,55.0 1463.7,93.6 1459.6,381.2 1457.2,719.0 1433.4,719.0 1407.7,1224.8 1458.8,1224.4 1448.9,1816.2 1183.5,1816.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0287/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1143.0,1227.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.997637,39.984644]}},{"type":"Feature","properties":{"resourceCoords":[902.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9982836,39.9835903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0288/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p288","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0288/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0288","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"169.0,1228.0 117.9,1228.7 141.3,723.8 165.0,723.7 165.8,386.5 172.0,61.0 332.8,61.5 597.1,60.9 596.6,42.0 1224.7,22.4 1600.6,47.7 1588.6,1848.4 1275.9,1906.7 1268.5,1847.7 161.6,1842.2 161.8,1818.6 169.0,1228.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0288/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[169.0,1228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9968812,39.9846198]}},{"type":"Feature","properties":{"resourceCoords":[169.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9967286,39.9867625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0289/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p289","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0289/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0289","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1020.6,22.3 1.0,63.0 1.0,63.3 98.2,88.5 43.0,777.7 85.7,1874.1 17.4,1841.3 22.1,1922.1 154.9,1921.7 166.6,1869.3 1476.8,1900.7 1476.8,1889.0 1517.2,1889.1 1507.0,1016.5 1496.6,10.1 1020.4,8.1 1020.6,22.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0289/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1517.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01788192798942,39.98394757579232]}},{"type":"Feature","properties":{"resourceCoords":[1038.0,26.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01888600770671,39.98580640990193]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0290/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p290","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0290/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0290","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1607.0,1878.6 1607.0,1878.0 1607.8,1877.9 1598.4,31.6 1039.4,29.1 510.4,23.9 32.2,23.1 35.8,1019.0 39.9,1882.3 1.0,1881.9 1.0,1893.5 1060.7,1926.0 1458.5,1926.0 1579.9,1878.4 1607.0,1878.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0290/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01547517588152,39.983844724279365]}},{"type":"Feature","properties":{"resourceCoords":[1589.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.01415735733349,39.98379193179223]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0291/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p291","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0291/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0291","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1449.1,1868.8 233.2,1866.1 215.1,3.4 941.7,6.2 1478.8,4.5 1468.0,1873.5 1449.1,1868.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0291/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[225.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0141227,39.9837817]}},{"type":"Feature","properties":{"resourceCoords":[1473.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0111368,39.9836515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0292/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p292","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0292/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0292","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"391.3,17.2 677.8,19.7 677.8,29.3 1185.4,28.7 1185.0,12.3 1516.2,21.6 1512.2,24.7 1502.8,46.3 1508.9,690.8 1505.8,690.8 1507.9,1271.3 1467.3,1271.9 1561.7,1873.0 1627.0,1872.7 1620.4,1878.3 1608.0,1879.0 1608.0,1889.1 298.7,1925.1 102.3,1876.7 108.7,20.4 391.3,17.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0292/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[678.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00975734395531,39.98358897626194]}},{"type":"Feature","properties":{"resourceCoords":[678.0,18.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0096152050711,39.985427131035486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0293/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p293","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0293/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0293","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"223.0,1889.7 289.3,1889.3 270.0,1906.0 1512.2,1871.0 1516.4,1883.7 1607.0,1883.2 1506.5,1405.0 1376.8,796.8 1433.5,775.1 1577.0,743.6 1444.4,744.4 1365.8,744.8 1270.8,309.6 1208.7,16.3 1205.1,1.0 192.1,1.0 184.0,3.6 171.5,13.3 162.0,35.3 168.6,689.6 165.4,689.6 168.0,1278.9 126.8,1279.5 223.0,1889.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0293/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1469.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00470625282382,39.9829105767888]}},{"type":"Feature","properties":{"resourceCoords":[1367.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0048648176388,39.983988781837134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0294/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p294","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0294/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0294","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"358.4,1.0 207.9,1.0 207.0,9.0 148.4,9.0 144.8,626.1 140.5,1111.0 52.5,1092.2 125.3,1790.2 549.3,1886.8 1541.6,1871.8 1543.0,1879.0 1548.3,874.3 1549.6,287.9 1549.7,255.3 1511.7,247.1 379.8,5.6 358.4,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0294/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[146.0,-5.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00486968058901,39.98379280909361]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.00149586811708,39.98380972865844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0295/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p295","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0295/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0295","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.3,1606.5 123.9,1790.0 1253.5,1863.0 1255.7,1827.0 1350.5,1842.9 1424.5,884.2 1627.0,918.6 1627.0,913.1 1604.2,248.2 1049.8,153.9 137.1,1.0 33.9,1.0 33.0,11.0 17.5,11.0 17.6,12.6 41.9,600.0 80.3,1606.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0295/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[333.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0005992982414,39.983104672361286]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99721895474302,39.98064385302696]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0296/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1922 | sanborn06656_008 p296","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T06:10:30Z","modified":"2026-10-18T06:10:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0296/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0296","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"257.2,43.9 319.1,713.4 114.3,690.7 95.9,1654.3 1.0,1644.0 1.0,1680.0 93.4,1680.6 123.8,1800.7 68.5,1864.2 1585.0,1873.3 1605.5,284.0 1627.0,282.4 1627.0,222.4 519.7,95.5 522.5,71.8 257.2,43.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0296/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[311.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99738935695484,39.982261904135584]}},{"type":"Feature","properties":{"resourceCoords":[311.0,1718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.99726424192325,39.98051314154387]}}]}}]}