{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04405_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Wabasha, Minnesota | 1917 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144wm:g044051917:04405_1917-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wabasha, Minnesota | 1917 | sanborn04405_006 p1 [2]","metadata":[{"label":"streets","value":"23"},{"label":"intersections","value":"44"},{"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":"8074.1"}],"created":"2026-09-22T14:26:06Z","modified":"2026-09-22T14:26:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144wm:g044051917:04405_1917-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144wm:g044051917:04405_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,1913 1613,-0.0 0.0,-0.0 0.0,735.4 1110.7,735.4 1098.3,1913 1613,1913\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144wm:g044051917:04405_1917-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[351.6,507.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0426285,44.382121]}},{"type":"Feature","properties":{"resourceCoords":[404.2,507.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0414684,44.3815891]}}]}}]}