{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09703_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Spooner, Wisconsin | 1917 | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124sm:g097031917:09703_1917-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spooner, Wisconsin | 1917 | sanborn09703_002 p1 [1]","metadata":[{"label":"streets","value":"39"},{"label":"intersections","value":"112"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"3721.3"}],"created":"2026-09-23T08:23:10Z","modified":"2026-09-23T08:23:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124sm:g097031917:09703_1917-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124sm:g097031917:09703_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 1361.4,0.0 1014.9,0.0 0.0,0.0 0.0,930.3 939.9,925.0 942.0,701.6 1613,702.2 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124sm:g097031917:09703_1917-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.3,372.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.888853,45.828111]}},{"type":"Feature","properties":{"resourceCoords":[444.7,324.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.892153,45.829268]}}]}}]}