{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06648_018.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cleveland, Ohio | 1913 | key map | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191307:06648_07_1913-0000__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1913 | sanborn06648_018 p0 [2]","metadata":[{"label":"streets","value":"239"},{"label":"intersections","value":"507"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6998.0"},{"label":"split_canvas_h","value":"8217.7"}],"created":"2026-10-17T21:52:11Z","modified":"2026-10-17T21:52:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191307:06648_07_1913-0000__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191307:06648_07_1913-0000","type":"ImageService3","width":1643,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1643,0.0 0.0,0.0 0.0,1185.0 1112.8,1185.0 1117.8,1949 1643,1949 1643,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648191307:06648_07_1913-0000__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1233.8,617.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.614046,41.451369]}},{"type":"Feature","properties":{"resourceCoords":[554.3,226.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.651283,41.467051]}}]}}]}