{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02888_004.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Arkansas City, Kansas | 1899 | 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:gmd420m:g4204m:g4204am:g4204am_g028881899:02888_1899-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arkansas City, Kansas | 1899 | sanborn02888_004 p1 [1]","metadata":[{"label":"streets","value":"19"},{"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":"5077.9"}],"created":"2026-09-23T08:08:34Z","modified":"2026-09-23T08:08:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028881899:02888_1899-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028881899:02888_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,1269.5 1613,0.0 -0.0,-0.0 0.0,1144.9 1007.4,1159.6 1155.0,1269.5 1613,1269.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028881899:02888_1899-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.8,420.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0390153,37.0623007]}},{"type":"Feature","properties":{"resourceCoords":[270.1,879.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0439383,37.0551736]}}]}}]}