{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06656_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Columbus, Ohio | 1922 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"106"},{"label":"placed","value":"96"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 57, georef-snap 38, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 39.98035,-83.01626 +/-264m); p201__1 (tier 1, 40.02424,-83.01892 +/-197m); p201__2 (tier 1, 40.02453,-83.01915 +/-100m); p221__1 (tier 1, 40.01276,-83.01369 +/-100m); p233 (tier 1, 40.00972,-83.01553 +/-256m); p243__1 (tier 1, 40.00568,-83.01629 +/-190m); p243__2 (tier 1, 40.00469,-83.01534 +/-194m); p244__1 (tier 1, 40.00500,-83.00832 +/-188m); p248__2 (tier 1, 40.00629,-82.99898 +/-106m); 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":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3923.2"},{"label":"split_canvas_w","value":"1804.8"},{"label":"split_canvas_h","value":"3784.8"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"73.0,1397.3 73.8,1765.5 267.0,1042.4 73.8,997.8 73.0,1397.3\" /></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":[-83.0136931,40.0233146]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1847.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0134818,40.0225105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0202__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 p202 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0202__2/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=\"1628.0,0.0 -0.0,-0.0 -0.0,654.6 1090.5,954.1 1268.8,1142.0 1602.4,1234.0 1628.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0202__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01810585574336,40.0250129230159]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01423298801647,40.02561653547689]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01330652213665,40.022081318616635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01717938986353,40.02147770615564]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,1198.6 -0.0,-0.0 1583.5,0.0 1609.3,1853.6 200.6,1927.0 -0.0,1198.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0203/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01333289552076,40.02493789033788]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00931022118509,40.024743361165264]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00960879426758,40.02107135340168]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01363146860325,40.0212658825743]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1426.9,1853.4 50.5,1848.1 31.9,0.0 1628.0,0.0 1628.0,425.2 1584.7,425.4 1593.9,1670.4 1427.0,1671.1 1426.9,1853.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0204/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00949811572355,40.024770394113624]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00545585682123,40.024587359446805]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00573678690405,40.02089746570297]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00977904580637,40.02108050036979]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"156.4,459.3 199.5,459.1 199.2,35.9 -0.0,36.0 0.0,-0.0 1323.0,0.0 1322.5,34.0 1628.0,34.0 1628.0,1927.0 1573.3,1927.0 1573.3,1892.0 4.4,1890.7 -0.0,1699.4 166.2,1698.6 156.4,459.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0205/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00594757976529,40.02467901609767]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00188680709667,40.024493531027275]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00217149773718,40.020786731702316]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0062322704058,40.02097221677271]}}]}},{"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":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3739.2"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"3968.8"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1628.0,1692.4 1628.0,939.8 1000.5,937.9 173.0,941.9 173.0,1692.5 1628.0,1692.4\" /></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":[173.0,990.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9994405,40.0243128]}},{"type":"Feature","properties":{"resourceCoords":[173.0,1828.1],"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_1922-0206__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":"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":"3759.2"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1345.5,0.0 21.8,0.0 20.9,41.3 335.0,42.9 331.4,902.8 1342.0,902.8 1345.5,0.0\" /></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":[453.0,902.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0017195,40.0228175]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,902.8],"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"822.3,1512.8 151.2,1514.2 151.5,1259.9 208.2,1260.0 208.4,150.8 1228.0,146.8 1230.9,776.1 1122.7,785.1 1122.8,1400.7 822.2,1396.0 822.3,1512.8\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,770.1 107.9,766.5 105.0,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1927.0 -0.0,770.1\" /></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":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"983.8,67.8 1157.7,68.0 1313.6,626.8 1324.8,628.5 1562.8,1533.0 1591.0,1532.7 1564.8,1540.1 1599.7,1666.6 1159.6,1684.7 1152.5,1705.2 1213.0,1927.0 -0.0,1927.0 0.0,-0.0 872.3,0.0 983.8,67.8\" /></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":[-83.0134818,40.0225105]}},{"type":"Feature","properties":{"resourceCoords":[1158.0,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0137006,40.0233432]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"367.8,1844.5 0.0,-0.0 1441.8,0.0 1373.5,38.1 1345.8,538.2 1377.0,687.9 1337.2,693.5 1271.0,1890.8 367.8,1844.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0210/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01308231178783,40.021232688959344]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00919932048545,40.021210985896296]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00923262968648,40.017666299143094]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01311562098886,40.01768800220614]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,542.1 -0.0,47.8 52.8,40.4 65.0,0.0 1479.9,0.0 1483.6,1370.1 1446.8,1383.4 1506.3,1569.1 1518.6,1864.4 -0.0,1871.3 -0.0,692.8 38.7,685.2 -0.0,542.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0211/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.009799776644,40.021233562229554]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00585628217239,40.021043135868055]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00614854231858,40.01744321183089]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0100920367902,40.017633638192386]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"34.0,1869.0 -0.0,1481.3 0.0,-0.0 1628.0,0.0 1628.0,1308.2 1628.0,1308.2 1628.0,1865.8 34.0,1869.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0212/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00621599704188,40.021041621690266]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00230277057112,40.020860382045484]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00258093069662,40.017288081914515]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00649415716738,40.0174693215593]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"839.7,0.0 1140.4,0.0 1148.1,534.3 1628.0,527.0 1628.0,1676.5 193.4,1699.7 172.5,127.2 842.0,115.7 839.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0213/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00273728485757,40.020584305202135]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99881728611118,40.020362318254286]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99915798130259,40.016783810254566]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00307798004899,40.017005797202415]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"366.8,1708.9 368.2,1617.8 192.6,1615.2 231.5,523.8 1413.7,548.0 1425.3,0.0 1628.0,0.0 1628.0,1927.0 934.8,1927.0 936.2,1761.8 826.5,1717.5 366.8,1708.9\" /></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":[-82.9994072368108,40.02034688891522]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99558917174464,40.0202361052978]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99575919785678,40.016750663209045]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99957726292294,40.01686144682647]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1546.0,1858.0 666.9,1855.3 667.0,1798.2 -0.0,1820.6 -0.0,386.4 670.2,574.9 673.8,116.3 698.5,80.7 1553.4,283.6 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":"15"},{"label":"intersections","value":"27"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"221.1,1853.0 228.1,0.0 228.1,0.0 283.0,0.0 1453.2,314.7 1436.5,1859.9 221.1,1853.0\" /></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":[532.0,933.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0110626,40.016243]}},{"type":"Feature","properties":{"resourceCoords":[1136.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0094942,40.0159138]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"371.1,1708.6 -0.0,222.3 1376.1,231.8 1628.0,1224.9 1628.0,1379.3 371.1,1708.6\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1139.5,1927.0 901.5,1927.0 899.9,1654.3 381.7,1654.8 7.5,233.2 1608.2,231.3 1622.8,1927.0 1379.5,1927.0 1378.2,1653.9 1138.8,1654.1 1139.5,1927.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"225.0,83.0 1454.9,88.7 1456.7,0.0 1628.0,0.0 1628.0,89.5 1586.5,89.3 1590.4,1099.0 1628.0,1268.0 1180.8,1268.9 1192.7,1811.5 227.8,1809.2 225.0,83.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,1251.6 453.2,1260.3 417.7,1089.9 436.0,76.5 993.7,90.6 1039.0,133.3 1036.5,296.2 1628.0,300.1 1628.0,1731.3 937.8,1714.2 935.7,1818.3 -0.0,1796.4 -0.0,1251.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0220/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99982913987712,40.01740052564764]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99595581049388,40.017307727271515]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99609822660089,40.013771661574836]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99997155598413,40.01386445995096]}}]}},{"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":"7"},{"label":"intersections","value":"9"},{"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":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"0.0,0.0 0.0,1337.9 508.6,1467.3 398.4,1927.0 1158.6,1927.0 1581.7,988.9 1590.9,0.0 0.0,0.0\" /></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":[-83.0131361,40.0130323]}},{"type":"Feature","properties":{"resourceCoords":[1591.0,31.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0134303,40.0141452]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"455.4,1003.6 476.0,37.6 1365.6,45.9 1345.0,1838.3 598.0,1813.5 129.9,1685.1 455.4,1003.6\" /></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":"13"},{"label":"intersections","value":"26"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"229.0,0.0 1444.2,9.3 1425.0,1589.4 816.0,1419.4 219.8,1403.7 229.0,0.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"188.2,14.6 1530.8,7.5 1531.2,282.4 1628.0,307.9 1628.0,1923.1 1533.6,1898.0 1533.5,1833.8 789.5,1632.2 782.0,1744.8 181.3,1587.6 188.2,14.6\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"268.4,486.0 1001.9,491.7 997.7,115.5 1598.4,118.5 1628.0,155.9 1628.0,1816.2 43.9,1412.8 268.4,486.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1433.9,315.6 981.7,1908.0 204.6,1669.2 269.6,0.0 1433.9,315.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0226/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00977548201371,40.01197392273308]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00597496760362,40.01264810291728]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0049403905406,40.00917825732269]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00874090495068,40.00850407713848]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"285.4,0.0 699.6,0.0 701.0,270.9 936.0,271.1 937.0,0.0 1174.8,0.0 1175.8,271.3 1417.5,271.5 1422.7,1831.5 739.0,1829.0 738.8,1569.0 699.7,1569.0 285.4,0.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"48.4,1783.3 1.5,0.0 779.3,0.0 796.3,62.6 934.1,61.9 936.0,323.0 1622.5,321.1 1628.0,747.5 1628.0,1781.7 48.4,1783.3\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1540.7,1761.3 141.0,1761.7 136.9,109.7 1535.2,107.3 1540.7,1761.3\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"668.0,1757.0 171.5,1757.1 167.5,105.2 668.0,104.0 667.5,0.0 1628.0,0.0 1628.0,1927.0 667.4,1927.0 668.0,1757.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1064.8,1339.1 169.6,1346.5 158.6,151.2 1290.8,141.4 1297.7,1703.2 1069.8,1703.4 1064.8,1339.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0231/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00284634153488,40.01146925396543]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99901391648488,40.011277521910834]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99930813872126,40.00777849298794]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00314056377125,40.007970225042534]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"159.6,1709.4 161.3,1927.0 -0.0,1927.0 -0.0,1708.7 -0.0,1708.7 -0.0,147.3 788.0,145.0 788.0,316.6 1628.0,313.5 1628.0,1568.4 791.5,1575.1 792.4,1712.1 159.6,1709.4\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1489.0,167.0 1489.1,1719.1 876.1,1709.2 884.2,1591.7 -0.0,1573.1 -0.0,712.9 965.6,464.6 1005.5,164.8 1489.0,167.0\" /></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_1922-0235/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 p235","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0235/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0235","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1927.0 -0.0,1927.0 0.0,0.0 1628.0,0.0 1628.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0235/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.02140836187075,40.00885544149025]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01749545364584,40.008706874022614]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01772501796036,40.005158955544005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.02163792618528,40.00530752301164]}},{"type":"Feature","properties":{"resourceCoords":[997.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0191636,40.0064225]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1296.8,1927.0 99.8,1927.0 56.3,0.0 1618.8,0.0 1518.2,1524.7 1442.1,1709.7 1295.2,1820.8 1296.8,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0236/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01762912989284,40.00866186793268]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01386048911854,40.00845083021011]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01418432412534,40.00500990155624]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01795296489964,40.005220939278814]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,1739.7 168.1,1602.9 224.2,1451.2 338.8,68.8 1628.0,85.5 1628.0,1189.8 984.8,1188.8 1015.3,1927.0 -0.0,1927.0 -0.0,1739.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0237/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01470312903511,40.00839681883792]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0108766982049,40.00822812140701]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01113556125196,40.004734410987325]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01496199208218,40.00490310841824]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1528.1,1733.2 775.6,1774.8 767.5,679.6 113.6,673.9 106.5,87.0 1136.5,86.2 1303.6,693.8 1528.1,1733.2\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"168.5,726.3 0.1,118.7 1450.2,115.5 1436.3,1748.8 395.2,1765.8 168.5,726.3\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1627.0,1727.4 -0.0,1746.0 -0.0,118.4 1602.2,106.3 1627.0,1727.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0240/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00645523758813,40.00916253357123]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00258872089086,40.00895041437184]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0029142171554,40.00542013976722]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00678073385268,40.00563225896661]}}]}},{"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":"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":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"110.5,11.6 113.5,1666.5 1354.1,1667.0 1353.9,1609.6 1379.6,1594.4 1379.5,1578.0 1628.0,1300.7 1628.0,898.0 1376.3,895.8 1374.9,590.5 1215.2,590.0 1221.5,374.0 992.1,372.3 989.9,11.9 110.5,11.6\" /></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":"split_canvas_x","value":"5415.6"},{"label":"split_canvas_y","value":"5788.8"},{"label":"split_canvas_w","value":"1096.4"},{"label":"split_canvas_h","value":"1919.2"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1394.9,1927.0 1628.0,1927.0 1628.0,1641.2 1569.1,1739.0 1376.3,1817.2 1394.9,1927.0\" /></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":[1353.9,1447.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00065153617062,40.00598486588263]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1447.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00000610396722,40.00587289875689]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00026122861428,40.00500990862361]}},{"type":"Feature","properties":{"resourceCoords":[1353.9,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00090666081768,40.00512187574935]}},{"type":"Feature","properties":{"resourceCoords":[1375.8,1817.0],"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"152.9,1424.6 152.4,1425.2 89.9,1496.4 -0.0,1624.9 -0.0,1308.1 250.6,1057.8 252.4,653.8 243.3,653.7 -0.0,650.5 -0.0,128.3 628.0,136.0 628.2,0.0 1628.0,0.0 1628.0,1537.2 627.7,1537.1 627.4,1426.3 152.9,1424.6\" /></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":"5"},{"label":"intersections","value":"4"},{"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":"4875.6"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1492.5,1213.0 1302.5,24.0 -0.0,2.9 0.0,1216.8 398.0,1217.3 1492.5,1213.0\" /></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":[1464.0,1025.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0088638,40.0041018]}},{"type":"Feature","properties":{"resourceCoords":[1302.0,24.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.009235,40.0060587]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"352.1,1927.0 -0.0,1927.0 -0.0,1410.6 228.2,1408.9 -0.0,361.2 -0.0,167.1 1617.6,142.5 1628.0,1913.5 1590.2,1829.6 1617.3,1689.7 373.3,1698.4 324.4,1738.8 352.1,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0245/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00910729090553,40.00636956057299]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00520598214149,40.00615712979573]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0055319431156,40.00259494223526]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00943325187964,40.00280737301252]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1628.0,128.7 1628.0,1730.6 1263.8,1731.2 1232.4,1927.0 468.5,1927.0 323.1,1927.0 324.5,133.0 1628.0,128.7\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"372.0,97.0 371.7,0.0 1628.0,0.0 1628.0,259.3 1490.7,485.3 1399.2,546.5 1253.7,567.3 1260.8,1689.8 673.0,1688.2 680.5,96.7 372.0,97.0\" /></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":"7"},{"label":"intersections","value":"9"},{"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":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1562.7,0.0 1096.2,0.0 946.5,197.4 945.8,0.0 939.5,1.0 939.0,257.4 802.7,480.8 712.0,541.1 594.1,557.6 591.8,847.8 568.9,847.8 574.0,1857.0 1569.9,1861.0 1562.7,0.0\" /></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":[-82.9985015,40.0032831]}},{"type":"Feature","properties":{"resourceCoords":[574.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.000989,40.002412]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1243.8,1781.4 139.0,1773.0 138.7,0.0 1628.0,0.0 1628.0,1927.0 1265.7,1911.4 1243.8,1781.4\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"114.6,181.1 1237.2,185.8 1259.9,317.8 1628.0,332.5 1628.0,1927.0 1478.9,1927.0 1458.0,1687.2 1215.7,1683.9 1163.2,1629.7 693.1,1622.4 616.0,1677.5 120.1,1675.7 114.6,181.1\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1036.5,1845.3 560.9,1927.0 -0.0,1927.0 -0.0,393.0 223.5,394.1 185.4,224.6 246.0,164.2 1509.7,161.8 1508.8,390.7 1628.0,406.3 1539.7,460.0 1541.9,465.1 1255.9,632.3 1127.5,1084.9 1026.6,1261.7 1036.5,1845.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0251/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00906046591608,40.00351270680552]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00518158754717,40.00331679170412]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00548219379228,39.99977493730317]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00936107216118,39.99997085240457]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,1230.0 105.0,1066.3 242.5,611.3 649.5,373.5 1423.1,384.1 1457.7,187.7 1628.0,189.7 1628.0,1858.8 -0.0,1833.1 -0.0,1230.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0252/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0066693578981,40.00333364642794]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00282716714987,40.00319027585847]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00304715014279,39.99968191340972]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00688934089102,39.999825283979185]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"583.0,99.5 1374.8,101.4 1389.5,1927.0 68.3,1927.0 69.4,1764.4 600.3,1767.8 583.0,99.5\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1336.6,289.7 1332.9,1776.1 309.6,1761.0 311.3,279.9 1336.6,289.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0254/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0016914931562,40.00295011335197]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99784577412713,40.002802908989224]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99807163801941,39.999291300801865]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00191735704848,39.99943850516461]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"331.8,1927.0 -0.0,1927.0 -0.0,147.6 397.5,65.3 1628.0,63.5 1628.0,1803.4 331.0,1806.6 331.8,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0255/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00814844892626,40.000180477598995]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00429081151091,39.99998479315185]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00459104925193,39.99646216290912]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00844868666728,39.99665784735626]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"196.5,1808.4 202.3,228.6 1519.1,224.5 1533.9,1810.8 196.5,1808.4\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1324.9,72.0 1325.4,1808.2 314.4,1797.7 312.9,60.1 1324.9,72.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"35.8,58.2 1049.6,13.9 1128.3,70.5 1369.9,74.7 1389.7,312.2 1538.3,312.8 1539.8,0.0 1628.0,0.0 1628.0,1749.2 1518.9,1749.7 1524.5,1806.2 227.6,1796.0 228.1,1927.0 31.9,1927.0 35.8,58.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0258/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99882888463985,39.99970286142348]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99496725877698,39.99955046204791]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99520108291209,39.99602416678583]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99906270877496,39.9961765661614]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"481.6,1840.5 263.1,833.3 189.3,855.5 -0.0,871.6 -0.0,29.3 1562.3,34.8 1566.1,614.8 1628.0,614.8 1628.0,1828.9 481.6,1840.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0259/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00764137250485,39.996891711669754]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00378546296477,39.996714155366675]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0040578737619,39.99319293470212]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00791378330197,39.9933704910052]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"711.5,1794.1 711.0,1822.6 290.9,1826.4 291.3,616.1 230.0,616.0 226.5,37.8 1297.6,42.6 1308.6,1786.2 711.5,1794.1\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"145.4,1782.4 136.1,34.5 1158.0,40.0 1158.5,173.9 1355.5,172.6 1373.3,1779.1 145.4,1782.4\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1416.6,1777.1 -0.0,1757.3 -0.0,40.3 1285.1,56.4 1279.8,0.0 1628.0,0.0 1628.0,1927.0 1446.8,1927.0 1416.6,1777.1\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"504.0,1840.5 523.9,1816.7 -0.0,1816.7 -0.0,-0.0 1628.0,0.0 1628.0,1840.5 504.0,1840.5\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"147.4,1843.9 141.7,7.5 1574.6,14.8 1583.0,1840.0 147.4,1843.9\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1367.9,1853.7 287.9,1869.2 258.7,31.8 -0.0,35.9 -0.0,-0.0 1347.8,18.2 1367.9,1853.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0265/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01277108538295,39.99555797778593]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00890210614307,39.99537106404307]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00918886755485,39.99183783695077]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01305784679474,39.99202475069363]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"135.6,1875.9 139.3,34.7 -0.0,31.0 -0.0,-0.0 901.5,0.0 890.5,35.7 1164.5,0.0 1546.0,1873.8 135.6,1875.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0266/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00989696346072,39.99544598505483]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00603712419566,39.995298238491316]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00626379535936,39.99177335341533]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01012363462442,39.991921099978846]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"363.6,1874.6 -0.0,1877.6 -0.0,1493.3 284.8,1492.7 -0.0,103.3 1557.1,96.2 1561.8,1768.0 822.0,1770.1 363.6,1874.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0267/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00674650949612,39.9936665058462]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0028562101758,39.99350412445459]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00310532751264,39.98995133106553]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00699562683296,39.99011371245714]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1321.6,33.5 1344.2,1862.2 836.8,1866.3 834.9,1762.9 239.8,1771.6 221.1,64.6 1321.6,33.5\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1344.4,0.0 1407.8,1827.5 387.6,1859.5 325.1,30.1 1344.4,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0269/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0011573961624,39.99342272485391]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99729458035573,39.99317051272101]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99768150974997,39.98964280269395]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00154432555664,39.98989501482685]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"987.0,1834.0 105.6,1831.3 103.7,23.8 1164.7,29.1 1213.2,55.8 1231.5,184.8 1410.5,184.2 1409.8,0.0 1628.0,0.0 1628.0,1629.3 987.2,1645.0 987.0,1834.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"43.2,1732.5 42.4,1927.0 -0.0,1927.0 -0.0,0.0 1628.0,0.0 1608.0,111.0 1518.8,111.0 1514.8,1738.6 43.2,1732.5\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1575.0,870.3 1582.4,1927.0 -0.0,1927.0 -0.0,-0.0 1576.7,0.0 1577.0,322.0 1628.0,321.7 1628.0,870.4 1575.0,870.3\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"99.2,1753.1 -0.0,1752.9 -0.0,128.2 89.0,134.6 88.8,41.1 1570.7,37.6 1574.4,967.0 1628.0,966.8 1628.0,1927.0 99.3,1927.0 99.2,1753.1\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"62.5,881.1 115.0,881.5 117.6,337.0 67.0,337.0 67.6,190.9 1592.9,195.7 1593.5,13.6 1628.0,13.4 1628.0,1854.4 64.9,1834.7 62.5,881.1\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"236.8,1759.8 225.1,979.4 170.9,980.5 153.2,48.0 1257.2,28.6 1270.4,958.4 1523.9,953.3 1526.2,1728.3 236.8,1759.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0275/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01533702446034,39.992300750239465]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01148271170426,39.9921053441929]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01178248766583,39.98858534329666]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0156368004219,39.98878074934323]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"255.4,1839.3 265.7,0.0 1503.4,0.0 1464.4,1860.4 255.4,1839.3\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"415.2,1798.8 412.5,972.7 161.3,977.7 147.7,49.8 1338.8,29.3 1628.0,24.4 1628.0,1777.2 415.2,1798.8\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1288.2,1754.5 259.8,1781.3 287.3,40.9 1272.1,39.6 1378.8,571.9 1096.2,571.2 1094.7,955.3 1455.6,954.0 1628.0,1927.0 1323.0,1927.0 1288.2,1754.5\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"29.5,1843.8 36.5,61.8 1628.0,34.2 1628.0,1902.1 1482.5,1903.0 1482.0,1817.5 29.5,1843.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0279/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01208017865571,39.98898342275444]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00814129933471,39.98880405428717]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0084164582294,39.98520664506099]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0123553375504,39.985386013528256]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"833.3,174.1 1141.2,173.2 1140.8,48.4 1304.5,853.0 1312.7,861.0 1506.6,1846.3 148.1,1840.5 158.7,0.0 797.8,0.0 833.3,174.1\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1595.4,1784.6 440.1,1798.5 89.5,134.8 552.7,26.6 1584.3,18.7 1595.4,1784.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0281/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00631246983247,39.990429274950394]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00246792225641,39.99025320342249]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00273802945432,39.98674202545056]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00658257703037,39.986918096978464]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"167.8,1798.5 158.1,42.7 474.6,37.9 476.0,141.4 1490.0,137.0 1509.3,1791.3 167.8,1798.5\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1377.8,179.4 1400.4,1848.5 408.8,1859.2 379.1,190.9 1377.8,179.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0283/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.000264191952,39.9903003566017]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99643148601854,39.990108952359414]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99672511424745,39.98660858294076]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00055782018092,39.98679998718305]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1628.0,1871.5 254.0,1835.5 261.9,514.5 291.0,475.8 295.0,180.0 712.7,191.4 717.6,0.0 1628.0,0.0 1628.0,1871.5\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"392.4,1788.4 195.1,1811.4 104.3,1014.2 102.2,998.0 0.0,-0.0 1451.9,120.4 1628.0,1905.1 392.4,1788.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0285/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00549923909942,39.98708890756875]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00163668350638,39.98720948035107]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00145172440914,39.98368168846419]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00531428000218,39.983561115681866]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"279.2,0.0 1308.5,94.6 1489.7,1880.2 444.2,1791.5 442.4,1773.6 279.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0286/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00270389912927,39.98693382455086]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99883664260236,39.98707635105689]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99861800682349,39.98354425899988]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00248526335041,39.983401732493846]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"269.5,54.0 1463.5,55.1 1456.8,719.0 1284.5,719.1 1289.5,1225.7 1628.0,1224.0 1628.0,1816.3 623.0,1813.0 269.5,54.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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 -0.0,1230.2 -0.0,724.5 165.0,723.7 169.0,61.0 1323.6,61.3 1321.8,0.0 1628.0,0.0 1628.0,1927.0 160.7,1927.0 161.8,1818.6 340.3,1818.2 337.9,1227.1 169.0,1228.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1520.1,1927.0 -0.0,1927.0 -0.0,113.7 1022.4,105.9 1021.4,10.6 1499.5,12.3 1520.1,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0289/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.02135209362785,39.98597125717587]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01748189923838,39.985794554604546]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0177529567795,39.98225972256996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.02162315116898,39.98243642514128]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"1611.2,1927.0 37.3,1927.0 30.2,25.9 1602.6,33.9 1611.2,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0290/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01785838927418,39.98583691489056]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01394463129728,39.98567947102831]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01418614589946,39.98210484235065]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01809990387636,39.9822622862129]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"233.7,1927.0 215.1,3.4 1478.8,4.5 1451.4,1926.5 233.7,1927.0\" /></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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"106.7,23.2 1628.0,0.0 1628.0,35.3 1531.9,37.6 1507.1,83.5 1512.1,692.2 1349.2,714.6 1348.2,1872.3 1628.0,1870.8 1628.0,1927.0 81.9,1927.0 106.7,23.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0292/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01123938629512,39.98553961995089]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00733479935906,39.985363022092976]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00760569438306,39.9817967528437]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.01151028131912,39.981973350701615]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,700.0 165.3,690.2 161.8,26.4 1206.0,0.0 1610.9,1880.4 -0.0,1888.3 -0.0,700.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0293/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00800360576795,39.98537083459154]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00415732686122,39.9851941802398]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00442830797638,39.9816811594806]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00827458688312,39.98185781383234]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"-0.0,1080.1 139.8,1110.2 144.7,0.0 342.4,0.0 1552.0,257.7 1545.8,1927.0 -0.0,1927.0 -0.0,1080.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0294/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00520317024431,39.983745829855984]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0013684357285,39.984211910138946]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0006534999055,39.98070936611239]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00448823442132,39.98024328582943]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"13.3,0.0 1354.2,210.8 1254.5,1927.0 -0.0,1927.0 -0.0,1657.1 79.7,1666.3 13.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0295/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0014767330701,39.983686289945204]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99762783922903,39.984021996093546]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99711288949668,39.980506512953646]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00096178333776,39.980170806805305]}}]}},{"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"}],"created":"2026-09-21T14:20:20Z","modified":"2026-09-21T14:20:20Z","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=\"520.8,75.8 507.9,183.7 1628.0,305.8 1628.0,1927.0 -0.0,1927.0 -0.0,22.9 254.8,48.0 520.8,75.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656192203:06656_03_1922-0296/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99822166215667,39.98362287080547]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99435746506745,39.9837854744262]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99410804258247,39.98025601245106]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99797223967168,39.98009340883033]}}]}}]}