{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06645_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cincinnati, Ohio | 1891 | key map | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cincinnati, Ohio | 1891 | sanborn06645_007 p0L","metadata":[{"label":"streets","value":"245"},{"label":"intersections","value":"461"}],"created":"2026-10-24T15:35:41Z","modified":"2026-10-24T15:35:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000L","type":"ImageService3","width":1535,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1949.0 0.0,0.0 1535.0,0.0 1535.0,1949.0 0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1401.5,902.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.498049,39.125649]}},{"type":"Feature","properties":{"resourceCoords":[760.9,1549.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.5370303,39.0995101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cincinnati, Ohio | 1891 | sanborn06645_007 p0R","metadata":[{"label":"streets","value":"144"},{"label":"intersections","value":"210"}],"created":"2026-10-24T15:35:41Z","modified":"2026-10-24T15:35:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000R","type":"ImageService3","width":1448,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1949.0 0.0,0.0 1448.0,0.0 1448.0,1949.0 0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06645189106:06645_06_1891-0000R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,596.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4681228,39.1371361]}},{"type":"Feature","properties":{"resourceCoords":[272.9,980.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.4955914,39.121708]}}]}}]}