{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02897_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Baxter Springs, Kansas | 1918 | 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://tile.loc.gov/image-services/iiif/service:gmd:gmd420m:g4204m:g4204bm:g4204bm_g028971918:02897_1918-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baxter Springs, Kansas | 1918 | sanborn02897_006 p1 [1]","metadata":[{"label":"streets","value":"36"},{"label":"intersections","value":"243"},{"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":"5390.0"}],"created":"2026-09-23T08:28:16Z","modified":"2026-09-23T08:28:16Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd420m:g4204m:g4204bm:g4204bm_g028971918:02897_1918-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd420m:g4204m:g4204bm:g4204bm_g028971918:02897_1918-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,0.0 5458.4,0.0 4882.7,0.0 4177.0,0.0 0.0,-0.0 0.0,4353.9 3066.4,4373.5 3062.5,5390.0 3063.3,5390.0 6653.9,5346.8 6878.4,5346.7 6878.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd420m:g4204m:g4204bm:g4204bm_g028971918:02897_1918-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4423.5,4067.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.733162,37.0173134]}},{"type":"Feature","properties":{"resourceCoords":[4276.4,2792.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.7340262,37.0236847]}}]}}]}