{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01158_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Norfolk, Connecticut | 1909 | 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"},{"label":"pages","value":"4"},{"label":"placed","value":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2__2 (tier 4, 41.99203,-73.19961 +/-306m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Connecticut | 1909 | sanborn01158_002 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-22T10:21:51Z","modified":"2026-09-22T10:21:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 1473.6,5620.6 1438.5,4728.8 1685.9,4469.3 434.7,3556.1 -0.0,3646.7 0.0,-0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2260.0,6656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1963455,41.9913837]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,6656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1966207,41.9911179]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Connecticut | 1909 | sanborn01158_002 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:21:51Z","modified":"2026-09-22T10:21:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 1293.8,0.0 -0.0,-0.0 -0.0,7652.0 1297.6,7652.0 1296.0,5777.6 3376.0,5800.4 3325.2,7652.0 6452.0,7652.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4960.0,7324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2010876,41.9925933]}},{"type":"Feature","properties":{"resourceCoords":[4928.0,3216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2019145,41.9940973]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Connecticut | 1909 | sanborn01158_002 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T10:21:51Z","modified":"2026-09-22T10:21:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,2582.4 327.9,2343.0 -0.0,2046.6 -0.0,505.0 353.7,551.6 1050.1,-0.0 6452.0,-0.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011581909:01158_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2080.0,5552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2000591,41.9902795]}},{"type":"Feature","properties":{"resourceCoords":[3868.0,5552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1997672,41.989529]}}]}}]}