{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05814_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Catskill, New-York | 1912 | 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:gmd380m:g3804m:g3804cm:g3804cm_g058141912:05814_1912-0000__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catskill, New-York | 1912 | sanborn05814_005 p0 [1]","metadata":[{"label":"streets","value":"41"},{"label":"intersections","value":"58"},{"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":"2026-09-23T05:04:30Z","modified":"2026-09-23T05:04:30Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058141912:05814_1912-0000__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058141912:05814_1912-0000/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,8074.1 6878.4,1378.1 6431.1,1373.1 4784.8,1427.5 4796.3,1338.3 4833.8,1046.8 4856.9,867.4 4762.6,616.3 4703.1,457.7 4909.8,456.9 4941.4,0.0 4610.4,0.0 2703.6,0.0 1987.2,0.0 0.0,0.0 -0.0,8074.1 6878.4,8074.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058141912:05814_1912-0000__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2011.3,4505.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.872277,42.21756]}},{"type":"Feature","properties":{"resourceCoords":[3842.3,4271.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.864226,42.22017]}}]}}]}