{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06691_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Elmore, Ohio | 1920 | key map | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084em:g4084em_g066911920:06691_1920-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elmore, Ohio | 1920 | sanborn06691_006 p1 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"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":"3326.6"}],"created":"2026-10-20T02:49:55Z","modified":"2026-10-20T02:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084em:g4084em_g066911920:06691_1920-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084em:g4084em_g066911920:06691_1920-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628,0.0 0.0,0.0 0.0,648.5 645.5,831.6 1628,831.6 1628,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084em:g4084em_g066911920:06691_1920-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[206.5,328.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.300723,41.472941]}},{"type":"Feature","properties":{"resourceCoords":[425.5,423.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.295457,41.471404]}}]}}]}