{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05870_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Croton-On-Hudson, New-York | 1924 | 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":"16"},{"label":"placed","value":"8"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef-snap 4, georef 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 41.20888,-73.88348 +/-191m); p1__2 (tier 1, 41.20807,-73.88714 +/-130m); p1__3 (tier 2, 41.20938,-73.89411 +/-100m); p6__1 (tier 1, 41.21239,-73.88047 +/-100m); p7__1 (tier 1, 41.21335,-73.88141 +/-185m); p7__2 (tier 1, 41.21355,-73.88440 +/-100m); p7__4 (tier 1, 41.21254,-73.88125 +/-100m); p8__2 (tier 1, 41.20875,-73.88739 +/-111m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"867.7,1618.4 593.7,1582.0 585.4,1447.2 342.9,1464.0 376.3,1913.0 -0.0,1913.0 -0.0,342.7 511.3,313.2 499.9,55.4 1112.0,92.3 1563.9,1161.1 1613.0,1140.3 1613.0,1913.0 938.7,1913.0 926.0,1712.8 867.7,1618.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89314039801324,41.20544026261444]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88997591555587,41.206929289096564]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88764512382288,41.20408572612425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89080960628026,41.20259669964212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1286.7,146.0 1613.0,180.2 1613.0,1094.8 1613.0,1474.5 1613.0,1768.7 747.7,1666.3 744.4,1913.0 -0.0,1913.0 -0.0,-0.0 1216.2,0.0 1286.7,146.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89588618573298,41.20752566554368]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89269973088771,41.20922492105592]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89003977453366,41.206361711395594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89322622937893,41.20466245588335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"554.2,1913.0 641.6,1658.8 -0.0,1430.2 -0.0,0.0 1613.0,0.0 1613.0,1913.0 554.2,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88918889227534,41.20985885907427]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88591049314991,41.20810389612268]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88865763101762,41.20515804681115]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89193603014306,41.20691300976274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88262992335983,41.21106152457806]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.87977035355357,41.2089387096046]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.8830934182513,41.20636928869766]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88595298805757,41.20849210367111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p6 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1327.5 438.3,1331.2 615.7,1595.0 615.7,1913.0 1613.0,1913.0 1613.0,0.0 640.9,0.0 0.0,504.6 0.0,1327.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[725.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.8788038,41.2116303]}},{"type":"Feature","properties":{"resourceCoords":[646.0,534.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.8812047,41.2112089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0007__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p7 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3819.6"},{"label":"split_canvas_w","value":"2615.2"},{"label":"split_canvas_h","value":"3832.4"}],"created":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0007__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"528.6,1226.0 490.4,1142.0 226.6,1081.8 226.6,1077.3 0.0,1170.4 -0.0,1913.0 653.8,1913.0 590.1,1418.9 535.8,1415.1 528.6,1226.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,954.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.89068398846135,41.20358062515454]}},{"type":"Feature","properties":{"resourceCoords":[653.8,954.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88937940760434,41.20429350898501]}},{"type":"Feature","properties":{"resourceCoords":[653.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88799200420037,41.20285216139012]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.88929658505738,41.202139277559645]}},{"type":"Feature","properties":{"resourceCoords":[226.9,1081.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.8900482,41.2036368]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"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":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"302.6,1911.0 1059.5,1912.2 983.3,1495.3 984.7,986.7 1613.0,984.8 1613.0,0.0 0.0,-0.0 0.0,1728.2 302.6,1911.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[141.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.8927672,41.2088097]}},{"type":"Feature","properties":{"resourceCoords":[147.0,865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.8948453,41.2096985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Croton-On-Hudson, New-York | 1924 | sanborn05870_004 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T23:15:22Z","modified":"2026-09-22T23:15:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058701924:05870_1924-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1069.0,268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.881863,41.1976642]}},{"type":"Feature","properties":{"resourceCoords":[1515.0,268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.8810952,41.1982491]}}]}}]}