{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04754_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Louisiana, Missouri | 1896 | 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:gmd416m:g4164m:g4164lm:g4164lm_g047541896:04754_1896-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Louisiana, Missouri | 1896 | sanborn04754_003 p1 [1]","metadata":[{"label":"streets","value":"23"},{"label":"intersections","value":"111"},{"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":"2026-09-23T08:07:43Z","modified":"2026-09-23T08:07:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047541896:04754_1896-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047541896:04754_1896-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8074.1 3532.3,8074.1 3532.3,7854.5 3531.4,5594.9 6878.4,5594.9 6878.4,0.0 0.0,0.0 -0.0,8074.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047541896:04754_1896-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1860.9,2955.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.0504703,39.4504949]}},{"type":"Feature","properties":{"resourceCoords":[2326.9,3664.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.046948,39.449273]}}]}}]}