{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05555_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Millville, New-Jersey | 1898 | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055551898:05555_1898-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Millville, New-Jersey | 1898 | sanborn05555_003 p1 [2]","metadata":[{"label":"streets","value":"35"},{"label":"intersections","value":"96"},{"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":"4890.5"}],"created":"2026-09-23T11:05:34Z","modified":"2026-09-23T11:05:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055551898:05555_1898-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055551898:05555_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 0.0,1222.6 1613,1213.9 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814mm:g3814mm_g055551898:05555_1898-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[370.3,283.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.04355,39.40473]}},{"type":"Feature","properties":{"resourceCoords":[679.3,708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.034205,39.395399]}}]}}]}