{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03712_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cottage City, Massachusetts | 1904 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"18"},{"label":"placed","value":"11"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 8, georef 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p12__1 (tier 1, 41.45599,-70.55484 +/-144m); p12__2 (tier 1, 41.45082,-70.55827 +/-203m); p1__1 (tier 1, 41.46450,-70.57663 +/-101m); p3__2 (tier 1, 41.46192,-70.56852 +/-106m); p4__1 (tier 4, 41.45478,-70.55948 +/-761m); p4__2 (tier 4, 41.45478,-70.55948 +/-761m); p5__1 (tier 1, 41.45048,-70.56630 +/-113m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p10 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.9,1575.3 642.6,1756.2 1141.4,1899.9 1188.0,1653.9 1200.7,1431.2 1180.9,1394.0 1089.8,1284.9 1178.8,1312.0 1232.1,1177.9 1211.2,1187.3 1005.4,1135.9 698.6,933.1 641.6,337.7 616.0,357.9 604.7,78.2 340.0,74.0 85.0,60.8 92.5,211.2 97.6,689.1 97.0,1175.3 94.7,1438.6 87.9,1575.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[502.0,1455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.557763,41.454704]}},{"type":"Feature","properties":{"resourceCoords":[340.0,74.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5569989,41.457189]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p10 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.31"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3086.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3366.0"},{"label":"split_canvas_h","value":"4428.0"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"985.1,1073.5 1555.1,1087.1 1535.7,61.4 793.4,100.8 863.7,903.3 985.1,1073.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1387.1,347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55326964559993,41.45072511237308]}},{"type":"Feature","properties":{"resourceCoords":[1387.1,19.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55334201446344,41.45104968562547]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1086.4,657.3 1281.7,747.6 1322.2,743.1 1452.3,700.0 1396.5,770.4 1497.8,865.8 1537.7,1747.0 1176.0,1734.9 689.5,1839.5 114.5,1834.5 52.3,930.5 74.7,258.9 277.8,323.3 507.2,426.6 633.6,467.6 882.1,528.1 1086.4,657.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[796.0,1070.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55527543733704,41.453411626733]}},{"type":"Feature","properties":{"resourceCoords":[570.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55677186603545,41.452944465509425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p12 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2827.2"},{"label":"split_canvas_w","value":"4557.2"},{"label":"split_canvas_h","value":"4824.8"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0012__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"655.7,1535.0 852.6,1694.8 695.4,1912.0 712.5,1912.0 726.6,1912.0 743.0,1886.5 1079.5,1880.3 1102.7,1279.0 1031.7,1047.4 1047.6,800.2 875.8,913.5 481.6,737.1 171.6,841.3 91.4,814.5 28.8,934.7 21.8,1177.4 1.0,1180.1 1.0,1180.5 310.9,1271.1 471.4,1374.2 655.7,1535.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.2,1534.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55705401335088,41.457176748623816]}},{"type":"Feature","properties":{"resourceCoords":[1054.3,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55575693024771,41.4568118191554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1527.0,546.5 1612.0,596.2 1612.0,737.9 1561.4,830.6 1546.6,889.4 1439.8,1256.7 1384.9,1431.8 1305.4,1666.5 1386.0,1666.0 1571.5,1848.2 622.0,1874.1 585.2,1792.3 382.6,1729.5 297.0,1420.0 128.6,1432.0 125.4,1267.2 41.9,1186.1 95.0,69.2 1058.8,21.4 1509.9,99.3 1563.9,71.5 1527.0,546.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.56710354286223,41.45793918651798]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.56580696747378,41.46071265619797]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.56144868074816,41.459552098857415]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.56274525613661,41.45677862917743]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7.2,153.2 62.9,623.0 155.6,654.5 183.0,792.5 151.4,892.9 148.3,953.1 114.8,1332.0 94.9,1513.4 62.5,1757.7 141.2,1741.2 357.9,1881.8 1131.9,1884.2 1530.3,1758.6 1591.7,1601.7 1528.6,1510.2 842.7,1557.5 725.4,1360.7 783.1,1154.2 816.0,1139.9 1207.0,1013.6 1245.3,904.7 1355.7,873.4 1287.6,759.1 1493.2,266.7 1458.1,149.9 1302.2,148.2 1231.4,87.2 773.7,127.5 615.5,49.8 319.0,28.6 88.1,88.7 7.2,153.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1304.0,641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56304646805901,41.46216250900688]}},{"type":"Feature","properties":{"resourceCoords":[204.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56435272158916,41.46040879450167]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p5 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.7,145.2 169.7,241.7 87.3,335.4 127.8,399.2 59.2,490.4 126.1,734.5 132.2,1111.2 756.2,1208.3 774.4,1208.6 774.4,1211.1 778.3,1211.7 827.6,1437.8 804.0,1770.1 855.1,1853.2 1304.1,1890.7 1531.5,1848.3 1573.6,1462.6 1606.3,1454.0 1548.5,1256.7 1464.8,1296.0 1387.5,1316.8 1394.9,1014.3 1392.7,894.2 1449.0,860.9 1612.0,118.5 1612.0,44.0 1572.7,148.2 1176.7,52.0 1177.7,1.0 990.8,1.0 987.9,5.3 974.2,53.9 810.5,80.0 811.0,85.9 534.9,84.6 151.7,145.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56366778266629,41.451333826462196]}},{"type":"Feature","properties":{"resourceCoords":[1425.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56247111372338,41.450504707821324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.9,1094.3 137.2,1089.1 30.1,1055.8 103.2,651.9 155.6,649.8 144.4,462.6 138.9,459.3 89.2,448.4 53.2,285.4 47.3,286.3 59.0,130.4 403.1,52.1 793.4,129.7 1062.2,41.0 1303.6,75.6 1387.5,32.9 1442.3,48.4 1447.3,127.2 1522.7,108.4 1578.7,450.9 1612.0,453.1 1612.0,519.5 1487.5,542.2 1294.9,585.6 1254.0,589.5 1251.8,636.9 1201.2,771.0 1277.0,814.2 1329.0,853.4 1366.8,920.0 1396.8,1010.1 1432.4,1163.7 1487.5,1293.3 1547.0,1397.8 1582.1,1443.5 1612.0,1474.4 1612.0,1484.3 1612.0,1493.5 1528.1,1565.0 1473.2,1632.3 1419.7,1609.4 1022.0,1676.8 868.2,1555.0 751.3,1448.9 667.9,1490.2 551.8,1614.5 598.9,1524.9 440.9,1603.6 289.4,1504.3 280.4,1507.3 178.7,1388.3 43.0,1206.4 135.4,1216.3 290.4,1172.7 298.7,1162.9 212.4,1117.3 66.9,1094.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1042.0,627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5620121226347,41.454636690334844]}},{"type":"Feature","properties":{"resourceCoords":[367.0,603.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56248669245457,41.45339579304152]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1031.1,1452.8 930.2,1523.2 803.4,1591.5 650.2,1642.1 561.3,1681.0 497.1,1725.8 462.1,1782.4 425.1,1863.7 283.7,1824.7 235.3,1826.8 227.6,1785.5 165.3,1593.5 130.4,1468.8 62.9,1474.0 43.1,660.1 140.0,565.2 162.1,343.5 304.9,270.8 683.5,238.2 843.9,281.7 925.9,237.6 1297.8,89.9 1492.5,72.8 1498.7,220.5 1499.9,689.7 1495.5,1166.8 1491.2,1425.2 1483.5,1559.3 1481.8,1567.2 1258.7,1562.1 1276.8,1506.0 1236.2,1478.7 1203.1,1456.3 1122.5,1377.6 1074.3,1412.8 1031.1,1452.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[353.0,871.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56091324433086,41.456661513923486]}},{"type":"Feature","properties":{"resourceCoords":[1508.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5589740455289,41.454273284791185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.02"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"11.6,662.6 52.9,702.0 46.8,1118.3 135.8,1372.3 438.6,1557.4 563.8,1694.8 699.2,1705.4 796.4,1784.5 1147.4,1875.3 1529.0,1871.1 1592.2,1738.1 1587.0,1281.8 1612.0,1263.1 1612.0,1193.2 1414.0,1067.0 1486.3,952.3 1435.7,920.8 1612.0,246.9 1612.0,154.3 1522.8,280.9 1364.4,267.5 1358.8,273.6 1230.5,224.2 1049.8,140.3 1125.3,109.4 1226.8,11.1 1229.0,1.0 1143.0,1.0 383.9,268.2 332.8,241.5 243.6,299.1 12.8,434.4 64.4,482.8 132.9,527.3 11.6,662.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[650.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.559412,41.450122]}},{"type":"Feature","properties":{"resourceCoords":[1698.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5601569,41.4537187]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cottage City, Massachusetts | 1904 | sanborn03712_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:39:26Z","modified":"2026-10-20T03:39:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"299.8,1726.3 103.9,1540.2 210.7,1426.6 160.4,1379.8 584.1,498.5 652.1,433.5 796.8,500.5 981.8,571.5 1344.8,386.6 1345.3,386.6 1386.6,603.1 1394.6,603.1 1331.6,1165.1 1293.0,1666.7 1050.9,1752.7 922.2,1787.8 672.6,1827.4 466.5,1885.2 387.4,1755.2 284.4,1805.3 299.8,1726.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037121904:03712_1904-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[609.0,1164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55863817439311,41.45293014591011]}},{"type":"Feature","properties":{"resourceCoords":[1002.0,1210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5580229545802,41.45352006736834]}}]}}]}