{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05904_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ellenville, New-York | 1914 | key map | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804em:g3804em_g059041914:05904_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ellenville, New-York | 1914 | sanborn05904_007 p1 [1]","metadata":[{"label":"streets","value":"28"},{"label":"intersections","value":"34"},{"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":"2026-10-17T06:14:53Z","modified":"2026-10-17T06:14:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804em:g3804em_g059041914:05904_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804em:g3804em_g059041914:05904_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 791.6,0.0 791.6,493.3 0.0,493.3 0.0,1913 1613,1913 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804em:g3804em_g059041914:05904_1914-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.5,911.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3884412,41.7141387]}},{"type":"Feature","properties":{"resourceCoords":[585.2,832.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.388108,41.716786]}}]}}]}