{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09596_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ladysmith, Wisconsin | 1909 | 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:gmd412m:g4124m:g4124lm:g095961909:09596_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ladysmith, Wisconsin | 1909 | sanborn09596_002 p1 [1]","metadata":[{"label":"streets","value":"32"},{"label":"intersections","value":"111"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6806.8"},{"label":"split_canvas_h","value":"4239.3"}],"created":"2026-10-19T16:16:52Z","modified":"2026-10-19T16:16:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124lm:g095961909:09596_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124lm:g095961909:09596_1909-0001","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595,0.0 0.0,0.0 0.0,1059.8 731.2,1059.8 1595,1059.8 1595,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124lm:g095961909:09596_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[162.4,282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1100954,45.4660714]}},{"type":"Feature","properties":{"resourceCoords":[594.0,648.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.0994256,45.459603]}}]}}]}