{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05571_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Newark, New-Jersey | 1892 | key map | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newark, New-Jersey | 1892 | sanborn05571_001 p0a","metadata":[{"label":"streets","value":"117"},{"label":"intersections","value":"239"}],"created":"2026-10-24T15:22:46Z","modified":"2026-10-24T15:22:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000a","type":"ImageService3","width":1650,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1949.0 0.0,0.0 1650.0,0.0 1650.0,1949.0 0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[655.8,1296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.1750654,40.7364017]}},{"type":"Feature","properties":{"resourceCoords":[279.9,1390.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.202921,40.739499]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newark, New-Jersey | 1892 | sanborn05571_001 p0b","metadata":[{"label":"streets","value":"125"},{"label":"intersections","value":"325"}],"created":"2026-10-24T15:22:46Z","modified":"2026-10-24T15:22:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000b","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1949.0 0.0,0.0 1654.0,0.0 1654.0,1949.0 0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189201:05571_01_1892-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1019.8,1216.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.1878488,40.7283665]}},{"type":"Feature","properties":{"resourceCoords":[925.5,1650.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.1783107,40.7228205]}}]}}]}