{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05591_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Paulsboro, New-Jersey | 1909 | 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:g3814pm:g3814pm_g055911909:05591_1909-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Paulsboro, New-Jersey | 1909 | sanborn05591_005 p1 [2]","metadata":[{"label":"streets","value":"30"},{"label":"intersections","value":"73"},{"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":"5851.2"}],"created":"2026-09-23T10:17:17Z","modified":"2026-09-23T10:17:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814pm:g3814pm_g055911909:05591_1909-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814pm:g3814pm_g055911909:05591_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 1167.3,0.0 986.1,0.0 0.0,0.0 0.0,1461.7 274.1,1344.6 273.6,1161.5 398.2,1160.3 543.4,1159.0 622.2,1158.3 1141.7,880.4 1613,764.7 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814pm:g3814pm_g055911909:05591_1909-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[371.4,610.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2440651,39.8377363]}},{"type":"Feature","properties":{"resourceCoords":[371.4,915.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2414023,39.8318504]}}]}}]}