{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06673_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Defiance, Ohio | 1888 | key map | 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"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g066731888:06673_1888-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Defiance, Ohio | 1888 | sanborn06673_002 p1 [1]","metadata":[{"label":"streets","value":"29"},{"label":"intersections","value":"73"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6938.1"},{"label":"split_canvas_h","value":"8129.9"}],"created":"2026-09-21T22:13:48Z","modified":"2026-09-21T22:13:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g066731888:06673_1888-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g066731888:06673_1888-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6938.1,1819.4 6938.1,1628.4 6938.1,1457.8 6938.1,-0.0 4979.7,0.0 2731.0,0.0 2699.7,1212.8 1158.7,1175.5 0.0,583.0 0.0,8129.9 481.6,8129.9 1700.4,8129.9 6938.1,8129.9 6938.1,1819.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g066731888:06673_1888-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4301.4,2648.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.363834,41.284001]}},{"type":"Feature","properties":{"resourceCoords":[4859.9,3371.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.362746,41.280938]}}]}}]}