{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01143_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Milford, Connecticut | 1920 | 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":"43"},{"label":"placed","value":"27"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 21, georef-snap 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"15 sheet(s) cut into 31 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 41.20760,-73.06057 +/-3768m); p11__1 (tier 4, 41.21035,-73.06069 +/-6030m); p11__2 (tier 4, 41.21035,-73.06069 +/-6030m); p13__1 (tier 1, 41.21122,-73.03116 +/-252m); p17__2 (tier 2, 41.20337,-73.06415 +/-100m); p18__1 (tier 4, 41.21035,-73.06069 +/-6030m); p18__2 (tier 4, 41.21035,-73.06069 +/-6030m); p19 (tier 4, 41.21035,-73.06069 +/-6030m); p20__1 (tier 2, 41.19433,-73.08225 +/-100m); p20__2 (tier 1, 41.19633,-73.08011 +/-123m); p22__1 (tier 2, 41.18841,-73.08999 +/-100m); p22__2 (tier 1, 41.18893,-73.09185 +/-114m); p2__1 (tier 1, 41.19252,-73.08419 +/-100m); p2__3 (tier 1, 41.22278,-73.05802 +/-159m); p8__2 (tier 1, 41.19814,-73.10361 +/-169m); p9__1 (tier 1, 41.23252,-72.98875 +/-247m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1613.0,609.6 1327.2,625.0 1332.3,668.2 1314.6,667.8 1334.2,971.1 1381.8,910.6 1511.0,1238.5 1544.6,1519.5 1613.0,1515.0 1613.0,1913.0 -0.0,1913.0 0.0,-0.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.00327387552319,41.22391532779248]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.9985300001922,41.22870726145756]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.99102685366762,41.22444576783959]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.99577072899861,41.219653834174515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p12 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3624.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"283.9,1913.0 297.1,1760.5 356.4,1696.2 905.6,1743.7 901.9,0.0 -0.0,0.0 -0.0,1913.0 283.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[440.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0091686,41.2147345]}},{"type":"Feature","properties":{"resourceCoords":[347.0,486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0078456,41.2193235]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p12 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"3607.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2844.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"986.0,1913.0 1142.0,1913.0 1613.0,1913.0 1613.0,0.0 954.9,0.0 902.0,68.2 906.0,1913.0 986.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1367.3,1353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0099804,41.2098689]}},{"type":"Feature","properties":{"resourceCoords":[1039.7,595.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.010129,41.2129148]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p13 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"8"},{"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":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.0,116.1 0.0,71.8 0.0,734.8 534.3,1105.3 782.0,1913.0 1229.0,1913.0 1426.0,1913.0 1613.0,1913.0 1613.0,0.0 471.6,0.0 423.1,37.3 388.2,22.7 386.0,0.0 194.9,0.0 50.0,116.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1230.0,782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0242378,41.2102579]}},{"type":"Feature","properties":{"resourceCoords":[1178.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0236166,41.2097046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p14","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1613.0,1061.4 1452.6,1200.6 1450.8,1243.6 1429.1,1270.1 1387.8,1262.7 1388.1,1259.3 1240.8,1384.5 1205.5,1572.1 1137.3,1571.4 1433.8,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1282.0,1168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0304432,41.2094904]}},{"type":"Feature","properties":{"resourceCoords":[314.0,1155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0350331,41.2086146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p15","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"22"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.5,-0.0 1613.0,-0.0 1613.0,1913.0 1028.6,1913.0 1014.0,1913.0 -0.0,1913.0 -0.0,392.7 32.0,398.1 96.5,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0568256,41.2108672]}},{"type":"Feature","properties":{"resourceCoords":[245.0,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0575195,41.2132503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p16 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2948.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4703.6"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"915.8,1378.0 973.4,945.0 834.8,990.1 179.6,1019.9 188.3,1359.8 111.9,1368.0 114.8,1412.2 189.6,1411.7 202.4,1913.0 844.7,1913.0 912.0,1407.0 915.8,1378.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1040.0,1390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0606979,41.2069304]}},{"type":"Feature","properties":{"resourceCoords":[113.0,1390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0620851,41.2055892]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p16 [2]","metadata":[{"label":"streets","value":"6"},{"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":"4112.0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1028.0 834.8,990.1 1613.0,737.1 1613.0,490.6 1538.9,489.1 1537.1,445.2 1613.0,439.1 1613.0,0.0 1415.9,0.0 1334.4,0.0 -0.0,-0.0 0.0,1028.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[130.0,791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.063501,41.2031371]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,467.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0620851,41.2055892]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p17 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3022.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 755.5,1913.0 699.3,0.8 665.2,268.6 -0.0,184.3 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[522.6,924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0642881,41.2017752]}},{"type":"Feature","properties":{"resourceCoords":[466.7,374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0637598,41.2026928]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p21","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.1,1384.0 107.5,969.4 -0.0,650.8 -0.0,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0 -0.0,1363.6 174.1,1384.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[108.0,969.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0850969,41.1940251]}},{"type":"Feature","properties":{"resourceCoords":[203.0,1600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.08591,41.1930337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"839.9,1913.0 -0.0,1913.0 -0.0,346.9 -0.0,346.9 -0.0,0.0 1613.0,0.0 1613.0,1913.0 1031.2,1913.0 1030.5,1765.9 984.7,1710.4 894.0,1669.0 839.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.09424319642334,41.19141720630134]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.08788255704931,41.187978644464195]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.09326350789927,41.18226149176075]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.09962414727329,41.18570005359789]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p24 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3721.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 -0.0,1740.1 62.0,1742.8 62.3,1785.5 324.5,1790.1 325.3,1863.0 554.6,1879.4 800.1,1873.5 802.6,1913.0 827.0,1913.0 930.2,1913.0 930.4,1029.3 582.4,909.7 754.7,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[322.1,1139.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0945569,41.2048544]}},{"type":"Feature","properties":{"resourceCoords":[322.1,1317.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0953478,41.2045838]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p24 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"2329.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4122.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"968.2,63.7 909.6,0.0 819.0,0.0 770.2,213.4 714.4,212.6 582.4,909.7 930.4,1029.3 930.2,1913.0 1006.0,1913.0 1613.0,1913.0 1613.0,0.0 1570.6,0.0 1569.0,224.5 967.8,216.2 968.2,63.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.2,237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0956127,41.1834402]}},{"type":"Feature","properties":{"resourceCoords":[968.2,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0951467,41.1839428]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p25 [1]","metadata":[{"label":"streets","value":"8"},{"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":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1440.4 1077.6,1441.8 631.9,1206.5 895.2,621.9 761.5,0.0 0.0,-0.0 0.0,1656.7 76.1,1675.7 46.2,1755.2 249.1,1772.4 411.5,1759.0 717.7,1835.2 698.5,1913.0 1004.0,1913.0 1256.0,1913.0 1613.0,1913.0 1613.0,1440.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[622.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0912792,41.197894]}},{"type":"Feature","properties":{"resourceCoords":[364.0,1389.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0865633,41.1950549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p25 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"2527.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3924.4"},{"label":"split_canvas_h","value":"5767.2"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,185.7 1447.9,0.0 761.5,0.0 895.2,621.9 631.9,1206.5 1077.6,1441.8 1613.0,1440.4 1613.0,185.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[905.6,921.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0971758,41.1954484]}},{"type":"Feature","properties":{"resourceCoords":[987.6,349.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0997346,41.196212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p26 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"13"},{"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":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,1913.0 153.7,1913.0 282.1,1465.9 609.4,1459.7 613.8,1182.8 1613.0,1189.3 1613.0,1108.4 1573.9,1090.2 1584.0,1064.4 1511.8,353.3 1578.1,347.5 1585.1,26.5 1571.8,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1581.0,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1042919,41.2022311]}},{"type":"Feature","properties":{"resourceCoords":[744.0,418.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1074289,41.1999754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p26 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"614.8"},{"label":"split_canvas_y","value":"4731.2"},{"label":"split_canvas_w","value":"5837.2"},{"label":"split_canvas_h","value":"2920.8"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1142.5,1748.7 1141.6,1841.0 1494.0,1847.3 1498.7,1686.4 1613.0,1690.8 1613.0,1189.3 613.8,1182.8 609.4,1459.7 282.1,1465.9 153.7,1913.0 311.1,1913.0 309.1,1672.2 832.7,1667.8 831.4,1759.2 1142.5,1748.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0026__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[831.4,1759.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1033444,41.2044351]}},{"type":"Feature","properties":{"resourceCoords":[1145.2,1516.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1023474,41.2056918]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p27","metadata":[{"label":"streets","value":"18"},{"label":"intersections","value":"21"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.6,810.2 124.3,802.1 119.8,483.0 105.7,457.1 -0.0,460.9 -0.0,-0.0 523.0,0.0 520.9,91.3 831.7,83.5 830.0,175.7 1181.9,185.0 1188.0,24.3 1302.1,28.9 1302.3,0.0 1613.0,0.0 1613.0,423.1 1570.5,425.2 1577.5,685.9 1505.2,689.8 1499.0,918.3 1515.6,1161.8 1476.5,1166.1 1482.1,1293.0 1613.0,1287.2 1613.0,1913.0 683.8,1913.0 594.0,1844.2 354.2,1870.4 323.9,1913.0 198.5,1913.0 185.8,1556.9 146.4,1540.1 156.2,1489.3 58.6,810.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[119.0,573.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1042919,41.2022311]}},{"type":"Feature","properties":{"resourceCoords":[673.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0994595,41.1986748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p2 [2]","metadata":[{"label":"streets","value":"5"},{"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":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"854.9,245.6 854.0,581.5 306.5,582.0 -0.0,770.1 1.5,1254.9 356.9,1251.7 536.3,1913.0 1613.0,1913.0 1613.0,1130.2 1538.4,973.5 1545.4,686.8 1419.4,704.0 1193.0,300.1 953.3,185.2 854.9,245.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0567118,41.2223922]}},{"type":"Feature","properties":{"resourceCoords":[1387.0,632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0557229,41.2226808]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.7,16.6 266.3,50.2 1267.5,117.9 1267.7,173.1 1318.4,184.2 1201.8,664.5 1613.0,767.9 1613.0,767.9 1613.0,1913.0 -0.0,1913.0 -0.0,102.0 28.7,16.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.06440245813208,41.219061546741344]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05793916034881,41.222513134555015]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05253526091082,41.216706465971704]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05899855869409,41.21325487815803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 996.1,0.0 990.9,257.2 1566.2,126.0 1552.7,1850.8 597.1,1784.6 356.1,1749.7 288.2,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.07053785246922,41.22353661182584]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.0641860903447,41.22695489682254]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05883397998733,41.22124880652973]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.06518574211184,41.21783052153303]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"356.0,1913.0 303.6,1907.4 297.3,1851.9 236.7,1852.5 53.9,140.4 283.4,111.6 263.6,0.0 1187.0,0.0 1379.6,157.4 1613.0,250.1 1613.0,356.4 1427.8,541.9 1405.2,626.8 1390.5,934.5 1242.5,1553.5 1267.7,1820.9 1295.4,1913.0 1066.4,1913.0 981.1,1700.1 870.7,1627.8 838.3,1845.7 364.1,1851.1 356.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.06457346680635,41.226835305684446]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05773695403495,41.229687240212975]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05327138815224,41.22354596040806]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.06010790092364,41.22069402587953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.9,1583.3 55.8,1323.9 105.8,691.3 72.6,385.9 81.8,298.8 286.1,11.7 603.8,220.5 766.9,275.1 858.8,0.0 1613.0,0.0 1613.0,1913.0 1529.8,1913.0 1188.0,1798.4 1149.0,1913.0 826.3,1913.0 745.5,1877.3 732.5,1913.0 36.1,1913.0 -0.0,1836.7 -0.0,1695.5 163.5,1669.8 121.9,1583.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05812408857261,41.22855019832734]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05076455265036,41.230570211310976]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.04760156030761,41.223959203731575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.05496109622986,41.22193919074794]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3754.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3897.6"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.7,1674.5 277.1,1913.0 368.9,1913.0 597.9,1793.5 802.1,1838.9 1052.5,1821.8 1093.3,1901.2 1116.0,1826.2 1454.9,1913.0 1613.0,1913.0 1613.0,938.6 584.1,939.4 0.0,990.3 -0.0,1658.1 72.7,1674.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1240.0,1162.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0562355,41.2315041]}},{"type":"Feature","properties":{"resourceCoords":[821.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.058359,41.2287693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p7 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"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":"3961.2"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,646.1 285.0,677.6 250.1,931.1 832.7,864.2 1061.5,887.0 1067.8,774.3 1613.0,898.9 1613.0,512.0 1550.4,428.2 1613.0,376.0 1613.0,0.0 -0.0,-0.0 -0.0,646.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1065.0,488.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0643991,41.228077]}},{"type":"Feature","properties":{"resourceCoords":[250.0,931.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0659162,41.2248695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p8 [1]","metadata":[{"label":"streets","value":"8"},{"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":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1443.0,1913.0 1613.0,1913.0 1613.0,450.7 1028.2,450.1 955.0,0.0 -0.0,-0.0 0.0,366.0 0.0,898.0 -0.0,1016.2 96.3,984.1 122.6,1061.8 122.8,1416.3 242.9,1417.4 344.1,1716.2 336.6,1804.2 374.2,1805.1 410.7,1913.0 1156.0,1913.0 1232.6,1913.0 1443.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[830.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0515529,41.221168]}},{"type":"Feature","properties":{"resourceCoords":[584.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.0515816,41.2220804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Connecticut | 1920 | sanborn01143_007 p9 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"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":"4276.8"}],"created":"2026-09-22T22:50:11Z","modified":"2026-09-22T22:50:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.2,662.0 173.0,894.2 240.9,893.6 229.6,1067.8 1613.0,1059.5 1613.0,0.0 15.2,0.0 17.5,41.8 0.0,40.4 0.0,340.9 50.9,283.9 163.2,662.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784mm:g3784mm_g011431920:01143_1920-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[173.0,894.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.9927714,41.2251193]}},{"type":"Feature","properties":{"resourceCoords":[1301.0,928.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.9895456,41.2285698]}}]}}]}