{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06725_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hamilton, Ohio | 1887 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084hm:g4084hm_g067251887:06725_1887-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hamilton, Ohio | 1887 | sanborn06725_001 p1","metadata":[{"label":"streets","value":"51"},{"label":"intersections","value":"126"}],"created":"2026-09-23T09:57:56Z","modified":"2026-09-23T09:57:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084hm:g4084hm_g067251887:06725_1887-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084hm:g4084hm_g067251887:06725_1887-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6512.0,7708.0 -0.0,7708.0 0.0,0.0 6512.0,-0.0 6512.0,7708.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084hm:g4084hm_g067251887:06725_1887-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3610.1,4694.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.5613439,39.3973379]}},{"type":"Feature","properties":{"resourceCoords":[3515.1,6574.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.5650196,39.3904332]}}]}}]}