{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06656_013.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Columbus, Ohio | 1951 | 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":"108"},{"label":"placed","value":"102"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 64, georef-snap 37, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 39.93869,-82.99279 +/-243m); p101 (tier 2, 39.96444,-82.98290 +/-1702m); p102 (tier 2, 39.97693,-82.97381 +/-142m); p108__1 (tier 1, 39.97840,-82.96885 +/-100m); p108__3 (tier 1, 39.97460,-82.97026 +/-100m); p199__1 (tier 1, 39.95049,-83.00809 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0103/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p103","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0103/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0103/info.json","type":"ImageService2","height":7796,"width":6516},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.0,6146.6 -0.0,6589.5 -0.0,-0.0 6516.0,0.0 6516.0,2181.9 6285.6,2179.5 6272.3,6209.7 75.0,6146.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0103/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4224.0,7500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9707449,39.9761592]}},{"type":"Feature","properties":{"resourceCoords":[6268.0,7500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9695548,39.9761092]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p104","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0104/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0104/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"300.0,6468.9 289.0,3669.3 -0.0,-0.0 6167.2,0.0 6226.5,4712.8 300.0,6468.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[300.0,6468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.973188,39.973957]}},{"type":"Feature","properties":{"resourceCoords":[6176.0,1284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9695548,39.9761092]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p105","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0105/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0105/info.json","type":"ImageService2","height":7796,"width":6516},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3001.5,7796.0 379.6,7796.0 398.5,0.0 6211.5,66.7 6125.2,6905.5 3001.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0105/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96961104886181,39.9784925134592]}},{"type":"Feature","properties":{"resourceCoords":[6516.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96574754058477,39.97833312466828]}},{"type":"Feature","properties":{"resourceCoords":[6516.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96599465167381,39.97476591285044]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96985815995085,39.974925301641356]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106__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 | 1951 | sanborn06656_013 p106 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6508.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2468.4,4939.1 5756.7,2087.4 6235.8,2058.9 6508.0,2355.0 6508.0,0.0 -0.0,-0.0 -0.0,7022.6 2543.1,6193.2 2468.4,4939.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3116.0,2068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9641984,39.9772981]}},{"type":"Feature","properties":{"resourceCoords":[4084.0,2068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9636359,39.9772698]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106__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 | 1951 | sanborn06656_013 p106 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2757.2"},{"label":"split_canvas_y","value":"4506.8"},{"label":"split_canvas_w","value":"3750.8"},{"label":"split_canvas_h","value":"3289.2"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6508.0,4506.8 3826.0,5020.4 3773.9,5155.6 4361.7,5339.9 4012.6,6452.6 4073.3,6581.6 3636.9,6774.9 3407.3,7596.8 4094.8,7796.0 6508.0,7796.0 6508.0,4506.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0106__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2757.2,4506.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9642130885768,39.97850818848587]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,4506.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.95992736739375,39.979305744662476]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.95901386093311,39.97642524673638]}},{"type":"Feature","properties":{"resourceCoords":[2757.2,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96329958211616,39.975627690559776]}},{"type":"Feature","properties":{"resourceCoords":[3636.9,6776.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.962578,39.976709]}},{"type":"Feature","properties":{"resourceCoords":[3636.9,6776.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9621331,39.976971]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0107/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p107","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0107/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0107/info.json","type":"ImageService2","height":7796,"width":6516},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7616.1 -0.0,-0.0 6516.0,0.0 6516.0,7579.7 -0.0,7616.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0107/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2336.0,7576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.979415,39.973785]}},{"type":"Feature","properties":{"resourceCoords":[4420.0,7576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.978182,39.973731]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0108__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 | 1951 | sanborn06656_013 p108 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6508.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0108__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0108/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6258.3,6740.6 6508.0,3624.8 6508.0,0.0 4309.6,0.0 4301.6,1054.8 2091.2,2374.8 0.0,3504.4 -0.0,7376.7 2670.2,7503.2 6258.3,6740.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0108__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3172.0,7408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9748007,39.9736659]}},{"type":"Feature","properties":{"resourceCoords":[6384.0,5236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.973137,39.974563]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p109","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0109/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0109/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1786.5,0.0 5759.6,524.9 5039.8,6067.9 5450.5,5998.2 5346.9,6803.9 -0.0,7400.8 0.0,-0.0 1786.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3440.0,3000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.97951,39.972553]}},{"type":"Feature","properties":{"resourceCoords":[5548.0,3272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.978271,39.972501]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p110","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0110/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0110/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,-0.0 6527.8,0.0 4668.4,7357.7 893.3,7204.8 750.6,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5560.0,3768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.978386,39.969189]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,7244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9802754,39.9673421]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0111/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p111","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0111/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0111/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"390.9,5743.2 -0.0,5862.3 -0.0,415.6 2227.0,421.1 2227.7,0.0 2999.9,0.0 3031.7,423.0 5120.0,365.2 6544.0,33.5 6544.0,6377.4 392.6,6423.6 390.9,5743.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0111/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97825227139263,39.97392528819675]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97436452072978,39.97375738488133]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97462370152243,39.97018291253338]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97851145218529,39.9703508158488]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0112/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p112","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0112/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0112/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.1,7676.9 149.7,0.0 6462.9,0.0 6458.2,6417.1 43.1,7676.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0112/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4468.0,3108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.975804,39.969487]}},{"type":"Feature","properties":{"resourceCoords":[2332.0,7224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.977166,39.967695]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0113/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p113","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0113/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0113/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1918.5,1929.2 4457.4,1175.7 4571.8,7028.7 1931.6,7058.9 1918.5,1929.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0113/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97540320180558,39.974647390333594]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97164276986663,39.9744775750274]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9719049048261,39.97102019832991]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97566533676505,39.971190013636104]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0114/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p114","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0114/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0114/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6011.5,6593.8 1375.1,6577.5 1362.1,7253.0 -0.0,7234.6 -0.0,1461.9 4344.7,294.0 5342.2,4003.5 6028.6,3805.5 6011.5,6593.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0114/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4852.0,2184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.970046,39.973602]}},{"type":"Feature","properties":{"resourceCoords":[4344.0,296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.970302,39.974462]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0115/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p115","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0115/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0115/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"384.3,4060.5 390.6,202.3 1520.8,212.0 1580.8,0.0 3571.9,0.0 4281.0,203.4 6544.0,207.5 6544.0,6457.2 4100.2,5941.4 3798.5,7796.0 313.2,6895.9 1101.6,4048.7 384.3,4060.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0115/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3556.0,2168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.968238,39.97392]}},{"type":"Feature","properties":{"resourceCoords":[388.0,2168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.970046,39.973602]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0116/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p116","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"23"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0116/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0116/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2118.2,178.8 5758.5,79.9 5627.3,658.8 5650.8,3993.8 5513.3,3992.7 4683.7,6932.0 2326.1,6945.7 2469.5,6418.7 2173.2,6334.4 2118.2,178.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0116/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4684.0,6932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.964437,39.972324]}},{"type":"Feature","properties":{"resourceCoords":[2972.0,168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9662952,39.9751658]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0117/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p117","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0117/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0117/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"761.1,7796.0 -0.0,4547.0 -0.0,2668.3 3474.2,0.0 3957.2,0.0 4396.1,538.5 3630.8,1134.0 3582.4,2867.7 5165.0,2890.5 6536.0,2548.7 6536.0,6744.2 761.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0117/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4568.0,2092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9620391,39.9762817]}},{"type":"Feature","properties":{"resourceCoords":[332.0,5964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.964504,39.974577]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0118/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p118","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0118/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0118/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.7,7574.7 -0.0,5472.4 479.0,5330.4 460.5,2238.3 6231.8,749.1 6187.8,0.0 6544.0,0.0 6544.0,7796.0 5846.1,7796.0 5846.1,7520.2 22.7,7574.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0118/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96451446378204,39.97473153449699]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96070684088356,39.97454087438764]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96100115287821,39.971040109977395]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96480877577669,39.97123077008674]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0119/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p119","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0119/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0119/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5011.9,7043.1 1114.5,7796.0 1099.9,0.0 5034.2,0.0 5011.9,7043.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0119/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1092.0,4152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.974639,39.969615]}},{"type":"Feature","properties":{"resourceCoords":[3052.0,7456.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.973596,39.968093]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0120/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p120","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0120/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0120/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6536.0,5314.0 4860.7,5398.5 4838.3,6692.9 765.4,7468.7 870.3,0.0 5415.0,0.0 5415.2,148.9 6536.0,167.8 6536.0,5314.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0120/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9727111298859,39.97170054521581]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96879392845898,39.9715738460896]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96898973786068,39.96796776442888]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9729069392876,39.96809446355509]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0121/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p121","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"20"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0121/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0121/info.json","type":"ImageService2","height":7796,"width":6532},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1551.3,2771.2 2780.5,2729.8 2786.5,2783.7 2953.3,2785.7 2949.5,4257.8 3108.4,5398.8 1562.5,5434.1 1551.3,2771.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0121/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4084.0,1716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9657881,39.9723355]}},{"type":"Feature","properties":{"resourceCoords":[2052.0,5892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.968381,39.968688]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0122/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p122","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0122/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0122/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4926.4 331.4,2021.2 -0.0,1980.5 -0.0,0.0 2815.5,157.7 2752.6,706.7 4631.9,412.0 4383.0,2498.3 6540.0,2758.9 6540.0,7796.0 194.7,7754.1 147.6,7225.9 -0.0,7207.9 -0.0,4926.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0122/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96743315597054,39.97232428786415]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96362578045712,39.97251488472733]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9633313954473,39.96901209607806]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96713877096072,39.968821499214876]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0123/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p123","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0123/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0123/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5627.8,3776.4 5559.6,3197.5 567.9,3785.4 578.7,145.6 853.7,149.0 855.6,-0.0 5843.0,17.5 5787.2,3775.3 5627.8,3776.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0123/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96129404912867,39.97144162377113]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96149409777757,39.968501846230154]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96604580513944,39.968686344166905]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96584575649054,39.97162612170788]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0124/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p124","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0124/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0124/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"487.6,7755.1 146.6,3736.9 306.1,3734.0 323.3,-0.0 6540.0,-0.0 6540.0,6353.4 6367.2,6355.6 6540.0,7689.6 487.6,7755.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0124/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1504.0,3712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9637073,39.9683834]}},{"type":"Feature","properties":{"resourceCoords":[324.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9615962,39.9688143]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0125/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p125","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0125/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0125/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3353.0,7796.0 3182.3,6978.7 633.5,7503.0 648.5,6000.1 -0.0,6128.1 -0.0,1358.6 5945.1,170.9 5959.8,6399.7 5399.8,6520.1 5643.2,7796.0 3353.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0125/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3184.0,6980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.978994,39.964701]}},{"type":"Feature","properties":{"resourceCoords":[4856.0,392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9778113,39.9676203]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0126/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p126","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0126/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0126/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"316.8,7472.5 320.5,1267.1 6540.0,20.6 6540.0,4756.5 6354.3,4794.1 6353.3,5095.7 5298.4,5061.3 3994.7,5285.6 4018.2,6719.2 5395.6,6442.3 5392.7,7730.7 2241.9,7796.0 2238.1,7086.8 316.8,7472.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0126/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97731661207072,39.96827369773]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97349453032987,39.96812743893846]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9737204193553,39.96461090361594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97754250109615,39.96475716240748]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0127/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p127","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0127/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0127/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6414.3,216.1 6307.8,6363.2 2214.2,7193.4 2208.8,5820.1 434.7,6107.6 447.6,1367.2 6414.3,216.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0127/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97371912176472,39.96874374075565]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96990955600123,39.96860598582033]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9701228345616,39.96509239488639]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97393240032508,39.96523014982171]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0128/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p128","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0128/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0128/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"11.3,211.1 4783.5,0.0 4891.4,505.4 6517.4,174.9 6540.0,7549.9 5355.2,7796.0 2274.1,7796.0 2272.1,7025.2 -0.0,7504.5 11.3,211.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0128/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96993321175788,39.96920687503756]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96602459185439,39.96903609298226]}},{"type":"Feature","properties":{"resourceCoords":[6540.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96628835890641,39.96543998028234]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9701969788099,39.96561076233764]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0129/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p129","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"36"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0129/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0129/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 2066.3,0.0 2063.9,354.4 2721.3,229.2 2695.9,1750.7 5280.2,1237.2 5447.5,2065.9 6524.0,2073.1 6524.0,7049.4 826.4,6985.9 833.8,6416.5 -0.0,6409.2 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0129/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3832.0,5972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9799575,39.9626284]}},{"type":"Feature","properties":{"resourceCoords":[1548.0,1976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.981175,39.964449]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0130/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p130","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0130/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0130/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3247.2,2110.6 3006.5,826.4 5487.9,321.1 5440.4,7057.4 2034.0,7028.6 2016.5,2102.2 3247.2,2110.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0130/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3484.0,7044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.977579,39.962057]}},{"type":"Feature","properties":{"resourceCoords":[3248.0,2112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.977576,39.964274]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0131/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p131","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0131/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0131/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3255.6,1995.7 1866.8,2275.5 1842.4,830.0 3156.9,603.3 4220.6,637.4 4219.7,333.7 6194.8,0.0 6204.7,1383.3 6544.0,1319.8 6380.2,7796.0 39.0,7796.0 76.3,3362.1 3253.3,3294.8 3255.6,1995.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0131/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97617895053237,39.96621277146515]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97238619467205,39.96606620939773]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97261240694928,39.96257868400428]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9764051628096,39.9627252460717]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0132/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p132","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0132/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0132/info.json","type":"ImageService2","height":7796,"width":6572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.0,6085.6 154.3,5290.5 291.1,5291.9 347.4,1314.7 4128.1,555.3 4167.0,548.0 6513.2,85.3 6426.6,6194.0 146.0,6085.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0132/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97259315034307,39.96607183939882]}},{"type":"Feature","properties":{"resourceCoords":[6572.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96877667863868,39.965944091811544]}},{"type":"Feature","properties":{"resourceCoords":[6572.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96897301108757,39.96244970304093]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97278948279197,39.96257745062821]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0133/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p133","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"26"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0133/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0133/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5199.3,1657.7 5208.0,155.7 6544.0,0.0 6544.0,7796.0 6364.8,7796.0 6369.6,6703.3 5560.7,6690.1 5566.5,6127.3 827.4,6106.2 858.6,1881.2 3975.4,1901.7 5199.3,1657.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0133/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3492.0,3228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.96733,39.964885]}},{"type":"Feature","properties":{"resourceCoords":[5580.0,1580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.966054,39.965579]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0134/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p134","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0134/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0134/info.json","type":"ImageService2","height":7796,"width":6572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1023.9,0.0 5765.8,0.0 5762.5,563.1 6572.0,572.7 6517.2,6921.7 987.7,7117.2 1023.9,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0134/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3668.0,2216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9675,39.962586]}},{"type":"Feature","properties":{"resourceCoords":[3676.0,5248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.967593,39.961221]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0135/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p135","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0135/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0135/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.6,6377.0 146.1,1597.8 6455.2,1591.5 6544.0,5229.9 2525.8,5289.0 2498.9,6306.2 109.6,6377.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0135/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97641532519327,39.96344501579541]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97260843544163,39.96329495149557]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97284004378366,39.959794286371256]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9766469335353,39.959944350671094]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0136/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p136","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"25"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0136/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0136/info.json","type":"ImageService2","height":7796,"width":6572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"345.8,4312.2 312.9,0.0 6478.4,0.0 6478.6,7201.0 693.7,7461.7 345.8,4312.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0136/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2052.0,3256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9717512,39.9618179]}},{"type":"Feature","properties":{"resourceCoords":[4108.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9704606,39.9627052]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137__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 | 1951 | sanborn06656_013 p137 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4016.4"},{"label":"split_canvas_w","value":"6544.0"},{"label":"split_canvas_h","value":"3779.6"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5414.3,4193.4 1300.5,4142.2 1281.8,6268.3 -0.0,6297.4 -0.0,7456.6 5377.1,7352.0 5414.3,4193.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3476.0,4172.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.977579,39.962057]}},{"type":"Feature","properties":{"resourceCoords":[1288.0,5192.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.978897,39.961639]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137__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 | 1951 | sanborn06656_013 p137 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6544.0"},{"label":"split_canvas_h","value":"4017.2"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4502.6,3889.8 4491.8,2732.3 5771.0,2691.4 5770.0,568.2 928.8,557.6 931.2,0.0 -0.0,-0.0 -0.0,4013.0 4502.6,3889.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0137__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[932.0,1612.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.981757,39.961761]}},{"type":"Feature","properties":{"resourceCoords":[5768.0,568.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9788628,39.962115]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0138/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p138","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0138/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0138/info.json","type":"ImageService2","height":7796,"width":6572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6890.1 -0.0,231.6 5081.1,172.8 5016.9,6875.1 -0.0,6890.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0138/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98216323193223,39.96079746020747]}},{"type":"Feature","properties":{"resourceCoords":[6572.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97831909079393,39.960684383303615]}},{"type":"Feature","properties":{"resourceCoords":[6572.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97849286276676,39.95716438825307]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98233700390506,39.95727746515693]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0139/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p139","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0139/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0139/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.5,999.2 5676.8,916.0 5535.9,6703.0 1.3,6761.4 14.1,7748.9 -0.0,7749.0 -0.0,6761.4 58.5,999.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0139/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97920634710961,39.961081008283195]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97540556585692,39.96096651733052]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97558226448949,39.95747135029797]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97938304574218,39.95758584125065]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0140/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p140","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"35"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0140/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0140/info.json","type":"ImageService2","height":7796,"width":6572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6572.0,6745.9 440.5,6789.7 592.3,1029.5 1920.8,1014.2 1961.8,0.0 6382.2,0.0 6362.8,956.3 6147.7,959.5 6080.0,4088.0 6572.0,4086.2 6572.0,6745.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0140/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3464.0,6768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.974367,39.957939]}},{"type":"Feature","properties":{"resourceCoords":[6080.0,4088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.972771,39.959103]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0141/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p141","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"27"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0141/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0141/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1111.3,7113.8 548.8,4470.9 540.4,2589.1 740.2,135.6 6360.2,0.0 6360.2,0.0 6365.0,1118.0 6365.9,6916.1 1111.3,7113.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0141/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3964.0,4368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9707623,39.959052]}},{"type":"Feature","properties":{"resourceCoords":[3964.0,1204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9706447,39.9604757]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0142/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p142","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0142/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0142/info.json","type":"ImageService2","height":7796,"width":6572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1033.1,1128.4 6572.0,998.2 6572.0,7796.0 79.5,7796.0 66.0,6945.7 916.3,6933.6 1033.1,1128.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0142/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3084.0,6896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.968174,39.957812]}},{"type":"Feature","properties":{"resourceCoords":[980.0,4332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.969344,39.959006]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0143/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p143","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0143/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0143/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"334.5,7796.0 -0.0,7796.0 -0.0,-0.0 6109.8,0.0 6201.2,1975.9 5996.5,1978.8 5993.4,4452.9 6107.3,4658.9 6548.0,4708.2 6548.0,7389.8 4436.8,7391.0 1924.4,6871.7 471.5,6845.3 334.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0143/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9824345,39.9576897]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9785327,39.9575839]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97869700000001,39.9540231]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9825988,39.9541289]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0144/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p144","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0144/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0144/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4894.3,5494.9 5130.4,5977.2 4926.6,6991.3 157.2,5537.4 -0.0,4982.0 -0.0,619.2 122.5,218.2 1622.8,215.3 4226.6,696.0 5416.2,671.8 5501.7,5094.5 5191.9,5604.6 4894.3,5494.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0144/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98236150200947,39.954655639391085]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97858352739644,39.954494996490844]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97883112987678,39.95102474088846]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98260910448981,39.9511853837887]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0145/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p145","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0145/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0145/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1389.1,7796.0 1406.7,5931.8 953.7,5876.7 838.6,5663.7 865.8,3118.1 1076.4,3117.2 1001.5,1083.3 -0.0,1073.8 -0.0,76.2 5551.9,91.4 5355.1,7796.0 1389.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0145/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2872.0,5924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.977783,39.95542]}},{"type":"Feature","properties":{"resourceCoords":[5476.0,3124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9762325,39.9566333]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0146/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p146","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"4"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0146/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0146/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1553.0 985.1,1542.6 976.2,649.1 4935.7,572.7 4940.3,183.8 5728.0,177.6 5590.1,6879.1 4936.0,6876.0 4933.2,7796.0 -0.0,7796.0 -0.0,1553.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0146/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4936.0,4628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.976479,39.952758]}},{"type":"Feature","properties":{"resourceCoords":[4936.0,6876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.976538,39.951759]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0147/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p147","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"29"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0147/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0147/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"213.6,514.6 6548.0,463.3 6548.0,6934.6 927.5,6769.5 898.3,7796.0 113.2,7796.0 213.6,514.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0147/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3276.0,2032.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.974394,39.957252]}},{"type":"Feature","properties":{"resourceCoords":[4796.0,6280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.973602,39.955331]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0148/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p148","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0148/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0148/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5737.9,7513.8 -0.0,7554.8 -0.0,-0.0 6552.0,0.0 6552.0,3504.7 5756.8,3447.5 5737.9,7513.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0148/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97586371658295,39.955177189244225]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9720072538911,39.95497957480845]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97231184136696,39.95143722339506]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9761683040588,39.95163483783084]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0149/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p149","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0149/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0149/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2183.7,6831.4 2250.0,386.3 6544.0,377.6 6544.0,3378.4 6544.0,7074.1 2183.7,6831.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0149/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4872.0,3380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.970971,39.9565233]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,3380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.97293,39.956564]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0150/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p150","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0150/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0150/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"884.6,6908.6 696.9,1099.7 6552.0,1000.7 6491.7,7796.0 1502.0,7796.0 1505.2,6908.2 884.6,6908.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0150/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97032756842435,39.957978491436144]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96651082915123,39.95780273427175]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96678173883608,39.954297017040915]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9705984781092,39.95447277420531]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0151/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p151","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0151/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0151/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6142.4,7545.8 1274.5,7518.3 1324.1,3395.2 2130.0,3459.2 2155.6,0.0 6150.7,0.0 6142.4,7545.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0151/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97326270338785,39.95499423290159]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96946239858687,39.95482124869726]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96972934844376,39.95132620776941]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97352965324474,39.951499191973745]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0152/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p152","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0152/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0152/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6552.0,7573.0 910.9,7540.6 940.1,906.5 5929.8,928.5 5935.7,0.0 6552.0,0.0 6552.0,7573.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0152/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97024219008435,39.954863584277575]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96642440533529,39.95470085508988]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96667522249024,39.95119401840214]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9704930072393,39.951356747589834]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0153/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p153","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0153/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0153/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5741.9,3846.3 5924.9,6847.4 4174.5,7063.9 -0.0,6972.6 -0.0,0.0 1718.5,-0.0 1696.3,651.5 2176.6,677.9 4897.5,813.4 6012.1,862.0 5741.9,3846.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0153/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00049687946772,39.953859576731716]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99976795742295,39.95103012975394]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00413430817446,39.95035974966871]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00486323021923,39.95318919664649]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0154/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p154","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0154/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0154/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6126.5,826.4 6036.7,4409.4 6576.0,4403.4 6576.0,7796.0 5601.3,7796.0 5491.3,6055.0 1078.0,6772.8 733.4,4279.0 870.3,847.4 6126.5,826.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0154/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99990001734935,39.95162436646997]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99934576340604,39.948728836273276]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00379220196574,39.948221559887166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00434645590904,39.95111709008386]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0155/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p155","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"23"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0155/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0155/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7620.6 -0.0,0.0 5020.8,72.8 5002.3,1346.2 6544.0,1693.6 6544.0,7720.1 -0.0,7620.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0155/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3636.0,3092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9977061,39.9517885]}},{"type":"Feature","properties":{"resourceCoords":[3612.0,4640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.998604,39.951686]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0156/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p156","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0156/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0156/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4228.6,7692.2 1342.7,7633.8 1376.0,1627.4 2530.6,1648.7 2568.9,-0.0 5154.9,112.2 5077.3,4684.2 4274.3,4667.0 4228.6,7692.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0156/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2468.0,4628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.998252,39.949888]}},{"type":"Feature","properties":{"resourceCoords":[1192.0,1624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.996636,39.950683]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157__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 | 1951 | sanborn06656_013 p157 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"35"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6568.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6481.4,7598.7 6171.1,5966.3 6568.0,5835.8 6148.3,5829.6 5909.2,4588.9 2636.6,5195.2 2691.8,1475.3 1659.8,1462.7 1653.0,1905.6 154.1,1883.5 181.8,-0.0 -0.0,0.0 -0.0,7228.8 3509.7,6540.4 3752.5,7796.0 5469.9,7796.0 6481.4,7598.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1616.0,3188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9938249,39.9521785]}},{"type":"Feature","properties":{"resourceCoords":[516.0,864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.992442,39.9526265]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157__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 | 1951 | sanborn06656_013 p157 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"2927.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3640.4"},{"label":"split_canvas_h","value":"4766.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5528.9,899.2 5534.8,-0.0 2928.8,0.0 2927.6,4766.0 4447.6,4465.7 4447.7,4316.3 5164.4,4324.1 6539.6,4052.4 6568.0,892.3 5528.9,899.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0157__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3279.3,896.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9908176,39.9525555]}},{"type":"Feature","properties":{"resourceCoords":[3279.3,3725.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.992442,39.9526265]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0158/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p158","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0158/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0158/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3679.8,6564.9 455.5,7216.3 452.8,3514.1 1469.2,3538.8 1496.5,163.0 483.8,167.4 484.7,-0.0 6094.0,14.0 6096.2,7545.1 4920.3,7796.0 3935.1,7796.0 3679.8,6564.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0158/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9907786457907,39.9517784177953]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99100003172465,39.94880466911888]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99556661548554,39.94900728939814]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99534522955159,39.951981038074564]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0159/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p159","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0159/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0159/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6568.0,7608.2 444.1,7546.2 -0.0,7365.1 -0.0,502.2 608.5,353.3 688.6,325.1 6444.1,327.8 6316.0,6202.8 6568.0,6207.9 6568.0,7608.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0159/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98223023880044,39.952452329861984]}},{"type":"Feature","properties":{"resourceCoords":[6568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98236587778709,39.94952636650562]}},{"type":"Feature","properties":{"resourceCoords":[6568.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98686459499669,39.94965065819697]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98672895601004,39.952576621553334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160__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 | 1951 | sanborn06656_013 p160 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2709.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,3981.6 1408.8,6868.2 1533.6,6867.2 1552.5,7554.9 2211.7,7552.3 2212.2,6864.3 2076.3,6864.6 2067.4,3975.0 1393.0,3981.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97777785444447,39.95061032643987]}},{"type":"Feature","properties":{"resourceCoords":[2709.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9779798447067,39.948176823606076]}},{"type":"Feature","properties":{"resourceCoords":[2709.6,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98712536400184,39.94862227493592]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98692337373961,39.95105577776972]}},{"type":"Feature","properties":{"resourceCoords":[2449.4,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9867165,39.948837]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160__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 | 1951 | sanborn06656_013 p160 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"2631.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3952.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6291.4,237.6 2805.5,240.7 2775.3,7447.4 6316.5,7364.2 6291.4,237.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0160__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2811.4,3824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.988796,39.950502]}},{"type":"Feature","properties":{"resourceCoords":[2811.4,2712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.988145,39.950472]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0161/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p161","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"23"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0161/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0161/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3189.0,7208.7 3193.5,6495.1 636.1,6495.8 636.4,7796.0 -0.0,7796.0 -0.0,0.0 711.6,-0.0 970.7,168.5 5343.7,95.5 5291.7,7208.2 3189.0,7208.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0161/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2164.0,164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9866314,39.9518385]}},{"type":"Feature","properties":{"resourceCoords":[3188.0,7376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.990893,39.951564]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0162/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p162","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0162/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0162/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 4652.0,1361.3 4854.6,365.8 4694.7,0.0 5182.1,0.0 5191.1,1274.2 6279.7,1265.8 6206.8,7300.7 88.7,7253.3 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0162/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98243205217413,39.95215076307517]}},{"type":"Feature","properties":{"resourceCoords":[6584.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97856644495182,39.95199378233075]}},{"type":"Feature","properties":{"resourceCoords":[6584.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97880721631756,39.94846013430741]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98267282353987,39.948617115051825]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0163/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p163","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0163/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0163/info.json","type":"ImageService2","height":7796,"width":6568},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1350.7 3818.1,1275.4 3803.5,364.7 6483.5,336.4 6568.0,4282.2 6247.3,4283.3 6315.0,7418.6 -0.0,7447.3 -0.0,1969.8 -0.0,1350.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0163/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97873340280148,39.95203290515098]}},{"type":"Feature","properties":{"resourceCoords":[6568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97491867302756,39.95184227048443]}},{"type":"Feature","properties":{"resourceCoords":[6568.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97521177342567,39.948346631110525]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97902650319959,39.94853726577708]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0164/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p164","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0164/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0164/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1048.5,7484.7 1009.4,4345.1 1334.6,4347.3 1280.0,396.0 4187.9,414.5 4151.0,7502.6 1048.5,7484.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0164/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3156.0,7496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.974113,39.948466]}},{"type":"Feature","properties":{"resourceCoords":[1280.0,396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9749804,39.9516939]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0165/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p165","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"21"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0165/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0165/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6552.0,7388.0 -0.0,7377.2 -0.0,295.2 6552.0,319.4 6552.0,7388.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0165/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3300.0,4248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.971491,39.949752]}},{"type":"Feature","properties":{"resourceCoords":[1032.0,7376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.972928,39.948411]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0166/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p166","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0166/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0166/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1701.8,288.6 6458.0,307.7 6457.2,0.0 6584.0,0.0 6584.0,7796.0 6445.3,7796.0 6446.7,7381.0 1680.3,7355.4 1701.8,288.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0166/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1952.0,288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9693038,39.9514191]}},{"type":"Feature","properties":{"resourceCoords":[5620.0,5416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9673299,39.9490237]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0167/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p167","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0167/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0167/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5429.2,7051.2 -0.0,6969.0 -0.0,191.0 6552.0,333.9 6500.2,6603.9 5431.4,6594.2 5429.2,7051.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0167/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00192368718223,39.94876472103159]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99813301560978,39.94923043646149]}},{"type":"Feature","properties":{"resourceCoords":[6552.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99741526119072,39.945748211745126]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00120593276317,39.94528249631522]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0168/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p168","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0168/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0168/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3605.5,7796.0 -0.0,7796.0 -0.0,-0.0 5467.8,0.0 5486.4,1806.6 6546.2,1805.8 6583.1,7481.8 3606.0,7414.5 3605.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0168/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.00130764083104,39.945649036446675]}},{"type":"Feature","properties":{"resourceCoords":[6584.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9974855081992,39.94607295529815]}},{"type":"Feature","properties":{"resourceCoords":[6584.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99683537554046,39.942578733112214]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0006575081723,39.94215481426074]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0169/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p169","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0169/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0169/info.json","type":"ImageService2","height":7796,"width":6552},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1069.3,5508.4 1097.9,0.0 5691.2,0.0 5656.3,7330.4 1063.3,7319.0 1061.4,7796.0 -0.0,7788.1 -0.0,5506.1 1069.3,5508.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0169/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5664.0,5520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.994894,39.946584]}},{"type":"Feature","properties":{"resourceCoords":[2612.0,7324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.996501,39.945576]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0170/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p170","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"21"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0170/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0170/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"604.9,0.0 6584.0,1202.6 6584.0,7747.2 661.7,7788.2 604.9,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0170/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4724.0,2036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.992865,39.948576]}},{"type":"Feature","properties":{"resourceCoords":[6040.0,5936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.991789,39.946935]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0171/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p171","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"43"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0171/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0171/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"985.3,516.9 6468.0,456.1 6468.0,7227.3 2795.5,7245.1 2526.0,6920.1 2330.4,6960.0 985.3,516.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0171/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3408.0,5100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.990635,39.94696]}},{"type":"Feature","properties":{"resourceCoords":[1856.0,1692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.991402,39.948514]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0172/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p172","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"28"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0172/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0172/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4463.7,478.2 4461.5,0.0 5847.7,0.0 5849.2,469.7 6266.5,467.6 6310.6,7192.8 1239.3,7211.2 1247.9,493.7 4463.7,478.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0172/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4832.0,2692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9866874,39.9478433]}},{"type":"Feature","properties":{"resourceCoords":[2100.0,7208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.988447,39.945906]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0173/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p173","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"42"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0173/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0173/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"710.8,738.7 295.8,739.3 296.3,0.0 6086.5,0.0 6098.2,6959.1 726.8,6905.7 710.8,738.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0173/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3568.0,4028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9842124,39.9472409]}},{"type":"Feature","properties":{"resourceCoords":[6092.0,5116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.982773,39.946684]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0174/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p174","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"25"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0174/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0174/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6451.1,7066.1 172.4,7070.2 142.0,300.2 6372.3,283.7 6451.1,7066.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0174/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4332.0,2720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.980228,39.947649]}},{"type":"Feature","properties":{"resourceCoords":[5356.0,5128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9797152,39.946533]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0175/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p175","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0175/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0175/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"169.8,449.1 6520.0,438.0 6520.0,7173.4 241.1,7245.4 169.8,449.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0175/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2276.0,2884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9777878,39.9475342]}},{"type":"Feature","properties":{"resourceCoords":[184.0,2884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.979018,39.947593]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0176/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p176","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0176/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0176/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1380.1,7140.8 1456.3,384.4 6494.9,434.5 6466.8,7304.0 1380.1,7140.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0176/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3320.0,2864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9741922,39.947366]}},{"type":"Feature","properties":{"resourceCoords":[1212.0,5280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9754929,39.9463352]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0177/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p177","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0177/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0177/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5677.1,7392.4 2127.9,7379.4 2086.7,483.7 5649.2,489.1 5677.1,7392.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0177/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2108.0,2952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9723443,39.9472805]}},{"type":"Feature","properties":{"resourceCoords":[2108.0,5396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.972431,39.946193]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0178/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p178","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0178/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0178/info.json","type":"ImageService2","height":7796,"width":6600},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5753.5,7319.6 1008.5,7311.3 984.4,471.8 6600.0,483.5 6600.0,7321.5 5753.5,7319.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0178/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3172.0,5352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9690932,39.9460296]}},{"type":"Feature","properties":{"resourceCoords":[3172.0,2928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9690072,39.9471174]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0179/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p179","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"27"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0179/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0179/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4011.7,6878.3 4012.1,7796.0 1026.3,7796.0 1004.3,1020.3 4522.4,1004.3 4526.2,6874.3 4011.7,6878.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0179/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2556.0,2812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.996345,39.944776]}},{"type":"Feature","properties":{"resourceCoords":[5600.0,5740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.994329,39.94367]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0180/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p180","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0180/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0180/info.json","type":"ImageService2","height":7796,"width":6600},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,978.8 4533.0,964.6 3236.0,6925.3 2832.3,6848.2 2646.1,7796.0 2640.1,6820.5 -0.0,6835.6 -0.0,978.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0180/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4048.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.993001,39.94598]}},{"type":"Feature","properties":{"resourceCoords":[1072.0,5704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.994329,39.94367]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0181/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p181","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0181/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0181/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6508.0,549.7 6508.0,6930.1 4527.0,6812.7 -0.0,6928.3 -0.0,809.5 2534.7,260.0 2801.7,579.8 6508.0,549.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0181/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4812.0,2004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.989951,39.945327]}},{"type":"Feature","properties":{"resourceCoords":[4812.0,564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.989893,39.945973]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0182/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p182","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0182/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0182/info.json","type":"ImageService2","height":7796,"width":6600},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5138.2,6963.2 898.0,6913.3 983.3,543.7 5234.2,562.0 5138.2,6963.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0182/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98945503583134,39.94619622240275]}},{"type":"Feature","properties":{"resourceCoords":[6600.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98561083066845,39.94603036211323]}},{"type":"Feature","properties":{"resourceCoords":[6600.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98586458243041,39.94252449298534]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9897087875933,39.94269035327486]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0183/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p183","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0183/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0183/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6985.9 -0.0,532.2 737.5,525.0 735.5,359.2 731.0,0.0 6138.3,0.0 6211.6,6983.1 -0.0,6985.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0183/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6192.0,4744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9829977,39.9437405]}},{"type":"Feature","properties":{"resourceCoords":[776.0,3764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9861059,39.9443473]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0184/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p184","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0184/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0184/info.json","type":"ImageService2","height":7796,"width":6600},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6475.5,7705.7 169.6,7737.5 102.3,110.5 6425.2,77.5 6475.5,7705.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0184/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98289439424207,39.94585795561334]}},{"type":"Feature","properties":{"resourceCoords":[6600.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97903781629365,39.94565663399726]}},{"type":"Feature","properties":{"resourceCoords":[6600.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97934581917235,39.94213946257416]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98320239712076,39.94234078419024]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0185/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p185","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0185/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0185/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"942.3,125.8 6508.0,50.9 6508.0,7692.6 940.0,7682.1 942.3,125.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0185/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97969458115234,39.94571038543587]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97585382813652,39.94553039465767]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9761330889489,39.941978130856874]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97997384196472,39.942158121635075]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0186/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p186","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0186/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0186/info.json","type":"ImageService2","height":7796,"width":6600},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1865.3,83.3 6443.0,168.6 6458.7,7725.3 1849.8,7706.2 1865.3,83.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0186/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97695642748593,39.94559525267593]}},{"type":"Feature","properties":{"resourceCoords":[6600.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9730512814325,39.945418401519845]}},{"type":"Feature","properties":{"resourceCoords":[6600.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97332184576396,39.941856922164064]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97722699181739,39.94203377332015]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0187/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p187","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0187/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0187/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6508.0,94.1 6508.0,7754.5 984.0,7725.2 969.8,52.5 6508.0,94.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0187/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3252.0,5700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.972003,39.942745]}},{"type":"Feature","properties":{"resourceCoords":[2100.0,2788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9725799,39.9440853]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0188/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p188","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0188/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0188/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1994.1,7711.8 1938.0,77.9 6576.0,60.2 6576.0,7695.4 1994.1,7711.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0188/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97102998020846,39.94527493898237]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96718964036606,39.94507976752642]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96748932131645,39.94156459314547]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97132966115885,39.94175976460142]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0189/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p189","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0189/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0189/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5857.9,136.1 6508.0,7796.0 -0.0,7796.0 -0.0,954.1 2848.1,740.5 2819.3,351.1 5857.9,136.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0189/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.000221638082,39.94262849241421]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99650056881299,39.94282358497595]}},{"type":"Feature","properties":{"resourceCoords":[6508.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99619789004142,39.93938186861988]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.99991895931042,39.93918677605814]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0190/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p190","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0190/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0190/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3355.1,7796.0 413.9,7796.0 435.8,1394.3 3415.6,1414.7 3421.5,498.9 6576.0,500.4 6576.0,5880.6 3363.3,5154.4 3355.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0190/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[432.0,2512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.996714,39.941959]}},{"type":"Feature","properties":{"resourceCoords":[1964.0,7436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9953857,39.9398687]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191__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 | 1951 | sanborn06656_013 p191 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6508.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1408.3,5138.1 1342.3,7656.5 -0.0,7619.7 -0.0,7796.0 5768.0,7796.0 5951.7,0.0 4005.2,0.0 4030.0,2739.6 356.2,2766.2 821.2,5122.1 1408.3,5138.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1344.0,7592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9925903,39.9397182]}},{"type":"Feature","properties":{"resourceCoords":[5948.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.989602,39.943088]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191__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 | 1951 | sanborn06656_013 p191 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4030.0"},{"label":"split_canvas_h","value":"2768.8"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3906.1,198.1 54.5,198.1 334.6,1446.5 612.5,2703.4 625.4,2764.3 3909.1,2740.5 3906.1,198.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0191__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[56.0,200.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.994775,39.940981]}},{"type":"Feature","properties":{"resourceCoords":[3906.1,200.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.992487,39.940857]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0192/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p192","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0192/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0192/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6576.0,58.0 6576.0,7796.0 383.0,7789.0 330.3,95.7 6576.0,58.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0192/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98979530074136,39.94314352021032]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98586227465752,39.94291824540071]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98620816746646,39.93931811711432]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9901411935503,39.93954339192393]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0193/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p193","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0193/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0193/info.json","type":"ImageService2","height":7796,"width":6480},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5938.6,132.2 5969.6,7796.0 1205.4,7796.0 1298.9,97.6 5938.6,132.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0193/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98664176329133,39.942974109800744]}},{"type":"Feature","properties":{"resourceCoords":[6480.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98274773692448,39.94278774903399]}},{"type":"Feature","properties":{"resourceCoords":[6480.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98303811859749,39.93917050488728]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.98693214496434,39.939356865654034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0194/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p194","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"23"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0194/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0194/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"254.0,462.2 6576.0,486.0 6576.0,7784.9 255.0,7796.0 254.0,462.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0194/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2348.0,7368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9821027,39.9391691]}},{"type":"Feature","properties":{"resourceCoords":[2348.0,4888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.9820158,39.9402946]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0195/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p195","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0195/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0195/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"906.5,7796.0 880.2,492.6 5818.1,493.5 5832.4,7796.0 906.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0195/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3552.0,4924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.97794,39.940094]}},{"type":"Feature","properties":{"resourceCoords":[3552.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.977775,39.942108]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0196/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p196","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0196/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0196/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"878.7,7796.0 948.6,448.0 6052.2,509.2 6013.3,7692.7 878.7,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0196/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3316.0,476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.975028,39.941972]}},{"type":"Feature","properties":{"resourceCoords":[884.0,7332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.976682,39.938905]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0197/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p197","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0197/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0197/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"915.3,500.7 5542.3,496.3 5592.0,4952.0 4527.0,4952.9 4530.3,7474.3 5605.8,7480.6 5607.6,7796.0 966.0,7796.0 915.3,500.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0197/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3208.0,4952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.972228,39.939832]}},{"type":"Feature","properties":{"resourceCoords":[5592.0,4952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.970834,39.939764]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0198/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbus, Ohio | 1951 | sanborn06656_013 p198","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0198/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0198/info.json","type":"ImageService2","height":7796,"width":6576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7417.5 -0.0,4931.1 1057.7,4930.6 1014.2,536.5 6468.5,531.0 6470.1,0.0 6576.0,0.0 6576.0,7796.0 1069.4,7735.3 1068.0,7424.2 -0.0,7417.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0198/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97127464354448,39.94203585149799]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.96740254048662,39.94184829458324]}},{"type":"Feature","properties":{"resourceCoords":[6576.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.9676905157802,39.93830387759057]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.97156261883806,39.93849143450532]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0199__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 | 1951 | sanborn06656_013 p199 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6536.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T13:14:32Z","modified":"2026-09-21T13:14:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0199__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0199/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"634.0,-0.0 -0.0,-0.0 0.0,6458.8 1845.6,6994.8 1906.4,7796.0 6536.0,7796.0 6536.0,250.2 3130.2,596.6 627.1,507.7 634.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06656195102:06656_02_1951-0199__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3988.0,492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.003672,39.950709]}},{"type":"Feature","properties":{"resourceCoords":[-624.0,492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0046524,39.9542127]}}]}}]}