{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04650_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Excelsior Springs, Missouri | 1913 | 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:gmd416m:g4164m:g4164em:g4164em_g046501913:04650_1913-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Excelsior Springs, Missouri | 1913 | sanborn04650_005 p1 [1]","metadata":[{"label":"streets","value":"57"},{"label":"intersections","value":"73"},{"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":"5335.4"}],"created":"2026-09-23T18:48:33Z","modified":"2026-09-23T18:48:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164em:g4164em_g046501913:04650_1913-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164em:g4164em_g046501913:04650_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 -0.0,-0.0 0.0,1323.1 679.2,1331.7 832.2,1333.8 837.3,588.5 1613,582.2 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164em:g4164em_g046501913:04650_1913-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1040.3,348.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.220511,39.3423326]}},{"type":"Feature","properties":{"resourceCoords":[1095.8,348.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.219478,39.342321]}}]}}]}