{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06034_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Levittown, New-York | 1953 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Levittown, New-York | 1953 | sanborn06034_001 p0","metadata":[{"label":"streets","value":"42"},{"label":"intersections","value":"28"}],"created":"2026-10-19T10:31:10Z","modified":"2026-10-19T10:31:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000","type":"ImageService3","width":1100,"height":1363},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1363.0 0.0,0.0 1100.0,0.0 1100.0,1363.0 0.0,1363.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[869.0,856.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.5572328,40.7395698]}},{"type":"Feature","properties":{"resourceCoords":[895.0,619.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.556841,40.7498268]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Levittown, New-York | 1953 | sanborn06034_001 p0a","metadata":[{"label":"streets","value":"40"},{"label":"intersections","value":"28"}],"created":"2026-10-19T10:31:10Z","modified":"2026-10-19T10:31:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000a","type":"ImageService3","width":1100,"height":1362},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1362.0 0.0,0.0 1100.0,0.0 1100.0,1362.0 0.0,1362.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[868.8,856.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.5572328,40.7395698]}},{"type":"Feature","properties":{"resourceCoords":[895.2,618.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.556841,40.7498268]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Levittown, New-York | 1953 | sanborn06034_001 p0b","metadata":[{"label":"streets","value":"195"},{"label":"intersections","value":"152"}],"created":"2026-10-19T10:31:10Z","modified":"2026-10-19T10:31:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000b","type":"ImageService3","width":1100,"height":1363},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1363.0 0.0,0.0 1100.0,0.0 1100.0,1363.0 0.0,1363.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[294.0,941.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.52904,40.736694]}},{"type":"Feature","properties":{"resourceCoords":[432.2,1167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.5206822,40.727247]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000c/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Levittown, New-York | 1953 | sanborn06034_001 p0c","metadata":[{"label":"streets","value":"187"},{"label":"intersections","value":"122"}],"created":"2026-10-19T10:31:10Z","modified":"2026-10-19T10:31:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000c/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000c","type":"ImageService3","width":1100,"height":1363},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1363.0 0.0,0.0 1100.0,0.0 1100.0,1363.0 0.0,1363.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804lm:g3804lm_g060341953:06034_1953-0000c/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[771.2,533.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.497107,40.699554]}},{"type":"Feature","properties":{"resourceCoords":[976.0,567.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.485199,40.698392]}}]}}]}