{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05889_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dunkirk, New-York | 1919 | 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":"49"},{"label":"placed","value":"34"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef-snap 19, georef 15"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 20 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 42.48897,-79.32623 +/-131m); p14__2 (tier 1, 42.48965,-79.32642 +/-100m); p16__2 (tier 1, 42.48969,-79.31930 +/-158m); p17__1 (tier 1, 42.49211,-79.31033 +/-100m); p17__3 (tier 1, 42.49279,-79.30996 +/-100m); p27__1 (tier 1, 42.47468,-79.34383 +/-100m); p27__2 (tier 1, 42.47491,-79.34206 +/-192m); p27__3 (tier 1, 42.47482,-79.34400 +/-147m); p27__4 (tier 2, 42.47356,-79.33852 +/-100m); p27__5 (tier 1, 42.47579,-79.34308 +/-160m); p28__2 (tier 1, 42.48499,-79.35114 +/-100m); p28__3 (tier 1, 42.48459,-79.35025 +/-100m); p28__4 (tier 1, 42.48404,-79.35054 +/-100m); p36__2 (tier 1, 42.46447,-79.33418 +/-112m); p8 (tier 2, 42.48563,-79.32459 +/-1046m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.0,1096.7 123.0,447.6 1517.0,431.1 1523.2,1085.9 1613.0,1085.1 1613.0,1775.4 949.8,1774.5 896.0,1827.8 893.3,1913.0 -0.0,1913.0 -0.0,1098.8 112.0,1096.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[893.0,1092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3414587,42.4851194]}},{"type":"Feature","properties":{"resourceCoords":[500.0,1092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.34243,42.4849776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p11","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"201.0,1019.0 200.1,361.6 1613.0,363.9 1613.0,1716.4 285.6,1710.1 291.1,1018.9 201.0,1019.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[201.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3399041,42.4853579]}},{"type":"Feature","properties":{"resourceCoords":[1456.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3368193,42.4858274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1793.3 201.5,1793.5 205.2,415.9 -0.0,410.9 -0.0,-0.0 1613.0,0.0 1613.0,457.3 1462.4,490.8 1459.1,1113.2 1613.0,1112.2 1613.0,1793.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33479653616293,42.48822775215239]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33083136647303,42.488849795895284]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32983796449899,42.48535743682103]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33380313418888,42.48473539307814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1169.5 1613.0,1750.3 741.6,1742.2 740.9,1844.2 274.0,1829.3 273.4,1157.3 121.5,1158.5 124.3,544.4 272.8,511.3 272.4,60.1 -0.0,60.4 -0.0,-0.0 661.5,0.0 643.4,514.0 1519.9,518.0 1520.5,1169.5 1613.0,1169.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33154173032335,42.48885500829862]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3275216992191,42.489482816987675]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32651907628865,42.48594218891933]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3305391073929,42.48531438023028]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p14 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"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":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"945.9,1244.2 1282.0,1244.0 1275.4,703.4 1308.1,637.6 720.0,0.0 494.3,0.0 508.4,588.2 107.3,585.9 112.4,1247.8 205.8,1246.8 209.8,1837.0 742.2,1836.8 742.1,1913.0 843.3,1757.8 945.9,1244.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[496.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3261922,42.4874303]}},{"type":"Feature","properties":{"resourceCoords":[1282.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3242478,42.4877195]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p15","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"220.2,778.5 239.7,706.5 53.8,572.9 853.9,0.0 1017.6,47.5 1472.0,53.0 1468.8,1129.7 1330.1,1147.0 1330.1,1486.1 1613.0,1693.4 1613.0,1913.0 -0.0,1913.0 -0.0,1381.8 334.2,1314.8 220.2,778.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1472.0,590.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.32142,42.4890532]}},{"type":"Feature","properties":{"resourceCoords":[1472.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3214224,42.4900385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p16 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"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":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,83.0 144.0,92.0 140.8,1184.8 -0.0,1189.8 -0.0,1552.5 287.1,1757.3 287.1,1913.0 425.1,1913.0 618.5,1646.8 979.8,1913.0 1104.0,1913.0 1233.2,1913.0 1234.9,466.2 1613.0,463.6 1613.0,83.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.32142,42.4890532]}},{"type":"Feature","properties":{"resourceCoords":[144.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3214224,42.4900385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0017__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p17 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"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":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0017__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"914.9,0.0 914.7,392.8 661.8,660.8 419.9,917.1 0.0,912.2 -0.0,1803.6 1290.6,1765.0 1256.8,1098.2 1290.3,967.6 1199.0,872.0 1613.0,671.8 1613.0,610.4 1312.0,0.0 914.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0017__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[472.0,1224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3287474,42.4893617]}},{"type":"Feature","properties":{"resourceCoords":[2095.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3244858,42.4888353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.2,1898.1 -0.0,1913.0 -0.0,11.5 1525.0,7.5 1535.2,1898.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3409436019635,42.480299733923765]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3368389920929,42.480908456668516]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33586698740365,42.47729282434994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33997159727426,42.47668410160519]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"203.7,5.7 1438.8,11.3 1439.3,1913.0 207.8,1895.5 203.7,5.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33758022933729,42.48079381236424]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33347631395435,42.481412685492245]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33248809347401,42.477797693176896]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33659200885695,42.47717882004889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"350.8,1812.6 346.9,470.5 -0.0,469.9 -0.0,-0.0 1238.9,21.8 1241.4,432.7 1446.6,436.4 1451.3,1814.1 350.8,1812.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33785684091065,42.48780372330073]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33388673295615,42.48840769667136]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33292219578415,42.48491096471217]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33689230373865,42.48430699134154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"220.6,1896.7 232.4,0.0 1455.1,2.0 1454.0,958.6 1454.2,958.6 1453.0,1913.0 220.6,1896.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33449895054783,42.48123296695504]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33043745509815,42.48186837999174]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32942281630802,42.47829077954871]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3334843117577,42.47765536651201]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1413.3,958.5 1422.2,1897.1 216.2,1910.7 187.2,0.0 1399.2,0.0 1418.4,608.5 1547.2,836.9 1413.3,958.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33130763004299,42.481734358404836]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32722580718715,42.48232150307382]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32628823704638,42.47872602443633]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33037005990222,42.47813887976734]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.2,1281.9 149.2,193.8 1414.3,200.7 1432.0,1807.6 903.4,1818.2 642.2,1762.1 165.2,1365.5 152.1,1353.8 113.6,1320.3 147.2,1281.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3259958662601,42.48446780003507]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32275868067843,42.48262334501873]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32570404944401,42.47977195126742]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32894123502568,42.48161640628376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p23 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"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":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.0,97.2 34.2,1058.6 437.9,1076.8 432.0,1701.1 339.9,1913.0 1326.7,1913.0 1140.8,1101.5 202.0,0.0 142.7,0.0 41.0,97.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[438.0,1062.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.325776,42.478835]}},{"type":"Feature","properties":{"resourceCoords":[780.0,1062.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.324928,42.478966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p23 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3569.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2882.4"},{"label":"split_canvas_h","value":"4861.6"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,433.1 1455.5,266.4 1389.2,0.0 899.8,16.6 892.4,769.8 1285.3,1211.5 1613.0,1215.4 1613.0,433.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[892.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32432765579529,42.4774004069347]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32253067857863,42.47761270913015]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1215.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32204758751625,42.475370118104536]}},{"type":"Feature","properties":{"resourceCoords":[892.4,1215.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32384456473291,42.475157815909085]}},{"type":"Feature","properties":{"resourceCoords":[1387.1,-9.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.323098,42.477563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p24","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"189.4,1581.0 186.7,251.4 1465.7,250.6 1469.8,1445.7 1414.4,1720.8 1216.4,1620.0 1054.7,1583.9 189.4,1581.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.325217,42.480793]}},{"type":"Feature","properties":{"resourceCoords":[192.0,347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.324019,42.481951]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p25","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"420.9,1913.0 292.7,1913.0 302.6,1787.1 -0.0,1786.5 -0.0,534.1 289.2,518.2 294.7,67.1 353.9,0.0 1613.0,0.0 1613.0,522.3 1519.5,519.8 1443.4,521.1 1466.3,1791.8 417.1,1786.5 420.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1183.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3194807,42.4824379]}},{"type":"Feature","properties":{"resourceCoords":[800.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3200764,42.4818614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.1,482.2 181.8,0.0 1613.0,0.0 1613.0,1700.1 1488.0,1696.5 1418.8,1787.5 -0.0,1777.0 -0.0,476.7 173.1,482.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32262928921938,42.48480706337408]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3202521863888,42.48722908520668]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.31638433513972,42.48513537068819]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3187614379703,42.48271334885559]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0028__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p28 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"10"},{"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":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0028__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.8,902.8 1287.2,897.4 1288.3,544.1 971.6,543.2 971.3,0.0 -0.0,-0.0 0.0,1243.4 499.2,1239.9 500.7,1913.0 700.0,1913.0 1277.1,1913.0 1487.8,902.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0028__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.0,897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3478784,42.4846183]}},{"type":"Feature","properties":{"resourceCoords":[186.0,366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3528541,42.4858564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p29","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"21"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1361.7,1913.0 -0.0,1913.0 -0.0,646.9 428.4,648.3 542.1,98.0 1083.4,100.2 1082.6,169.7 1535.5,175.0 1531.4,1073.8 1371.2,1073.1 1361.7,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.344718,42.478839]}},{"type":"Feature","properties":{"resourceCoords":[1136.0,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3418487,42.4792835]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1437.9,1891.5 196.4,1884.4 198.3,142.3 233.1,11.5 1441.2,21.2 1437.9,1891.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.34162452032416,42.48381019994253]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3376027772589,42.48443113060709]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33661122281895,42.480888694129376]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.34063296588421,42.480267763464816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,422.8 1525.8,61.5 1545.6,146.1 1536.5,1147.8 1613.0,1162.7 1613.0,1268.1 1531.1,1272.8 1526.7,1709.8 1613.0,1708.3 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33898030372,42.47837779235115]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33099403659794,42.478219953473115]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33124605662374,42.47118463161042]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3392323237458,42.47134247048845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"285.6,1461.0 284.6,1355.9 208.2,1341.8 207.8,343.4 187.2,259.3 1318.5,0.0 1392.0,307.4 1372.3,422.8 1569.4,374.3 1572.3,391.4 1613.0,381.5 1613.0,1913.0 203.8,1901.9 204.0,1466.5 285.6,1461.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33231696860311,42.47898393706358]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32430596865156,42.47876862816877]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32464975347666,42.471711578024255]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33266075342821,42.471926886919064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p32","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"23"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,424.2 213.2,46.3 351.6,73.4 1107.8,67.4 1103.1,132.1 1168.9,131.7 1166.5,66.8 1559.8,66.2 1557.3,1905.1 -0.0,1913.0 -0.0,424.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1359.0,713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3175346,42.4803954]}},{"type":"Feature","properties":{"resourceCoords":[902.0,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.321478,42.480512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.4,1913.0 35.6,61.7 898.5,47.0 928.1,0.0 1613.0,0.0 1613.0,1913.0 41.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3198301574206,42.48247310390946]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.31494390268152,42.487164844211534]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.30745170028514,42.482860948157345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.31233795502422,42.478169207855274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p34","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"19"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"291.1,728.0 286.6,356.0 -0.0,219.1 -0.0,-0.0 1613.0,0.0 1613.0,139.1 1301.4,139.4 1300.9,227.4 1382.0,214.6 1366.9,1228.9 1583.5,1229.6 1371.7,1730.0 761.0,1299.2 727.8,1232.6 215.3,1235.7 111.2,927.2 6.9,880.9 65.7,792.7 44.9,729.1 291.1,728.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[727.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3243361,42.4916867]}},{"type":"Feature","properties":{"resourceCoords":[1290.0,1676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3193227,42.4900417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.3,1084.7 80.8,74.8 -0.0,87.5 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 552.1,1913.0 78.9,1583.5 287.5,1085.5 71.3,1084.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32369541664163,42.49466231850488]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.31714261939167,42.49809495151748]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.31166012296895,42.49232413914999]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3182129202189,42.48889150613739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0036__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p36 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"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":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0036__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"809.8,1913.0 822.9,1227.3 1613.0,1227.4 1613.0,0.0 1390.9,0.0 1297.2,0.0 -0.0,-0.0 -0.0,1913.0 809.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0036__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[37.0,253.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3364659,42.4683291]}},{"type":"Feature","properties":{"resourceCoords":[642.0,1103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.333512,42.465189]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.2,1885.0 182.1,16.0 1436.3,17.9 1436.6,1884.2 178.2,1885.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33848268711506,42.484285145824906]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33445855296874,42.48490728462442]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33346506178947,42.48136276874577]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33748919593579,42.480740629946254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.3,1889.6 209.7,4.6 1444.8,9.2 1455.2,1900.5 208.3,1889.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3354101099276,42.484734022309325]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33142647512393,42.48535250148201]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33043882101873,42.48184368277803]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33442245582239,42.48122520360534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"974.9,3.4 1443.2,16.6 1440.8,1886.4 1192.5,1900.8 210.2,1886.8 195.1,7.4 974.9,3.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33232617336193,42.4852104603924]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32831510948273,42.48582541438154]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32733307720073,42.48229246315084]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.33134414107994,42.481677509161706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"223.5,1913.0 215.9,0.0 1613.0,0.0 1613.0,1810.9 1088.3,1204.1 281.6,1913.0 223.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32932019855023,42.48583862769042]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32528725542117,42.486439585669316]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3243275542487,42.48288743496183]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.32836049737776,42.482286476982935]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunkirk, New-York | 1919 | sanborn05889_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:00:21Z","modified":"2026-09-22T14:00:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"205.3,1913.0 400.2,997.3 -0.0,987.0 -0.0,-0.0 1613.0,0.0 1613.0,585.3 1410.0,586.1 1395.7,1234.9 1283.0,1236.2 1279.6,1913.0 205.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804dm:g3804dm_g058891919:05889_1919-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.34742872335876,42.48655822785761]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.34347308544862,42.48715910046964]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.34251351937044,42.4836750434166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.34646915728058,42.48307417080457]}}]}}]}