{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06648_048.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cleveland, Ohio | 1950 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014A:06648_14A_1950-0000__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1950 | sanborn06648_048 p0 [1]","metadata":[{"label":"streets","value":"151"},{"label":"intersections","value":"174"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6993.9"},{"label":"split_canvas_h","value":"8217.7"}],"created":"2026-10-19T00:03:39Z","modified":"2026-10-19T00:03:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014A:06648_14A_1950-0000__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014A:06648_14A_1950-0000","type":"ImageService3","width":1642,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1642,0.0 755.6,0.0 772.0,672.8 0.0,685.3 0.0,1949 1642,1949 1642,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195014A:06648_14A_1950-0000__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[830.4,1044.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.519446,41.501358]}},{"type":"Feature","properties":{"resourceCoords":[200.3,1266.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5651018,41.4895426]}}]}}]}