{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05541_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Maple Shade, New-Jersey | 1923 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055411923:05541_1923-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Maple Shade, New-Jersey | 1923 | sanborn05541_001 p0","metadata":[{"label":"streets","value":"45"},{"label":"intersections","value":"89"}],"created":"2026-09-22T13:28:33Z","modified":"2026-09-22T13:28:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055411923:05541_1923-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055411923:05541_1923-0000","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 0.0,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055411923:05541_1923-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[323.6,278.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.0070271,39.9679332]}},{"type":"Feature","properties":{"resourceCoords":[401.4,546.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.0017094,39.9589302]}}]}}]}