{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01160_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Norwalk, Connecticut | 1891 | 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"},{"label":"pages","value":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 3, georef-snap 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 41.10103,-73.41951 +/-220m); p2 (tier 2, 41.12020,-73.41228 +/-100m); p4__1 (tier 2, 41.11830,-73.41257 +/-169m); p4__2 (tier 1, 41.11595,-73.41177 +/-104m); p5__2 (tier 1, 41.11845,-73.41057 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norwalk, Connecticut | 1891 | sanborn01160_001 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T13:59:35Z","modified":"2026-09-23T13:59:35Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 6452.0,-0.0 6452.0,1562.2 5654.5,1371.0 5988.5,1575.4 4219.4,4655.9 3935.9,4871.7 3286.6,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2156.0,-124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.4136465,41.1216043]}},{"type":"Feature","properties":{"resourceCoords":[5988.0,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.4129078,41.1199133]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norwalk, Connecticut | 1891 | sanborn01160_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T13:59:35Z","modified":"2026-09-23T13:59:35Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6191.9,6948.8 5073.2,6820.8 3801.6,7045.3 3697.8,7652.0 -0.0,7652.0 -0.0,3751.7 223.0,3479.6 1227.1,119.3 861.9,-0.0 4417.2,-0.0 4279.5,402.1 4959.2,349.4 5139.7,1297.3 4975.9,2983.5 5927.5,5392.6 5970.3,6603.8 6191.9,6948.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.41318546201605,41.12040356490715]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.41141202991301,41.117956494970315]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.41523742980087,41.11636081676972]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.4170108619039,41.118807886706556]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norwalk, Connecticut | 1891 | sanborn01160_001 p5 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"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":"2026-09-23T13:59:35Z","modified":"2026-09-23T13:59:35Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,6622.2 688.0,6254.0 1309.4,7573.7 6452.0,6736.0 6452.0,2225.6 5499.6,2220.4 4562.8,2983.6 3998.0,2884.8 3682.0,2002.4 3606.8,1792.4 3609.6,1381.6 3618.4,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[688.0,5064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.4113845,41.1185309]}},{"type":"Feature","properties":{"resourceCoords":[688.0,6252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.411997,41.1184498]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norwalk, Connecticut | 1891 | sanborn01160_001 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"}],"created":"2026-09-23T13:59:35Z","modified":"2026-09-23T13:59:35Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7080.1 6452.0,7652.0 -0.0,7652.0 -0.0,5889.2 1306.0,5429.3 2514.0,5367.9 2216.8,5043.1 1952.1,3774.0 507.9,1401.7 393.9,-0.0 6452.0,-0.0 6452.0,919.5 5980.0,763.7 5858.8,2498.0 5834.0,3505.6 6342.6,3894.2 5898.4,5757.5 5478.0,6560.3 6452.0,7080.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2512.0,5368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.4149574,41.1166061]}},{"type":"Feature","properties":{"resourceCoords":[5480.0,6560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.4150376,41.1153215]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norwalk, Connecticut | 1891 | sanborn01160_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T13:59:35Z","modified":"2026-09-23T13:59:35Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4837.2 264.7,5633.8 790.3,5461.8 972.6,4416.4 1837.9,4558.5 3685.0,4403.2 3888.0,3822.1 6452.0,3130.3 6452.0,7652.0 -0.0,7652.0 -0.0,4837.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd378m:g3784m:g3784nm:g3784nm_g011601891:01160_1891-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.41561565816379,41.11716428476752]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.41205399048295,41.11720988800849]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.41198270306089,41.11400511407494]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.41554437074173,41.113959510833965]}}]}}]}