{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03804_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Newburyport, Massachusetts | 1914 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"67"},{"label":"placed","value":"31"},{"label":"unplaced","value":"36"},{"label":"fit sources","value":"georef-snap 25, georef 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"14 sheet(s) cut into 45 panels"},{"label":"unplaced pages","value":"p19__2 (tier 1, 42.81148,-70.86771 +/-117m); p19__3 (tier 1, 42.81148,-70.86988 +/-100m); p1__2 (tier 3, 42.80357,-70.85321 +/-448m); p22__1 (tier 1, 42.81106,-70.86377 +/-253m); p22__2 (tier 1, 42.80957,-70.86413 +/-100m); p23__2 (tier 1, 42.81624,-70.89089 +/-100m); p30__2 (tier 1, 42.80275,-70.85690 +/-151m); p31__1 (tier 4, 42.81050,-70.87354 +/-1607m); p31__2 (tier 4, 42.81050,-70.87354 +/-1607m); p31__3 (tier 4, 42.81050,-70.87354 +/-1607m); p31__4 (tier 4, 42.81050,-70.87354 +/-1607m); p32__1 (tier 4, 42.81050,-70.87354 +/-1607m); p32__2 (tier 4, 42.81050,-70.87354 +/-1607m); p32__3 (tier 1, 42.80566,-70.87292 +/-142m); p32__4 (tier 4, 42.81050,-70.87354 +/-1607m); p33__1 (tier 4, 42.81050,-70.87354 +/-1607m); p33__2 (tier 4, 42.81050,-70.87354 +/-1607m); p33__3 (tier 4, 42.81050,-70.87354 +/-1607m); p33__4 (tier 4, 42.81050,-70.87354 +/-1607m); p33__5 (tier 4, 42.81050,-70.87354 +/-1607m); p33__6 (tier 4, 42.81050,-70.87354 +/-1607m); p33__7 (tier 4, 42.81050,-70.87354 +/-1607m); p33__8 (tier 4, 42.81050,-70.87354 +/-1607m); p34__1 (tier 4, 42.81050,-70.87354 +/-1607m); p34__2 (tier 4, 42.81050,-70.87354 +/-1607m); p34__3 (tier 4, 42.81050,-70.87354 +/-1607m); p34__4 (tier 4, 42.81050,-70.87354 +/-1607m); p34__5 (tier 4, 42.81050,-70.87354 +/-1607m); p35__1 (tier 4, 42.81050,-70.87354 +/-1607m); p35__2 (tier 4, 42.81050,-70.87354 +/-1607m); p35__3 (tier 4, 42.81050,-70.87354 +/-1607m); p35__4 (tier 4, 42.81050,-70.87354 +/-1607m); p35__5 (tier 4, 42.81050,-70.87354 +/-1607m); p35__6 (tier 4, 42.81050,-70.87354 +/-1607m); p36__1 (tier 4, 42.81050,-70.87354 +/-1607m); p36__2 (tier 4, 42.81050,-70.87354 +/-1607m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"832.4,214.1 831.4,149.7 959.8,152.5 1217.2,178.3 1482.1,210.7 1514.0,219.8 1498.1,792.5 1503.2,1111.0 1504.9,1260.5 1515.3,1562.6 1190.7,1568.5 856.0,1563.9 855.0,1800.0 683.9,1793.4 19.4,1477.0 141.1,1442.8 201.7,1281.2 90.7,1088.8 39.3,414.2 106.7,232.9 71.2,110.4 172.1,57.0 832.4,214.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1490.0,1555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87657473116148,42.81096108691404]}},{"type":"Feature","properties":{"resourceCoords":[837.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87675282000532,42.80969716188062]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1559.0,1568.0 1503.4,1311.1 1448.3,933.8 1422.2,547.2 1411.4,438.1 1408.4,407.4 1087.5,390.9 814.5,372.9 800.5,298.8 819.2,1.0 701.5,1.0 645.4,85.0 413.3,62.9 395.1,1.0 393.3,1.0 369.7,16.6 307.5,265.6 230.4,244.0 130.6,1150.6 104.8,1395.4 185.0,1399.3 188.0,1561.7 540.0,1815.4 701.8,1781.4 1254.9,1652.8 1559.0,1568.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87820818036475,42.81350390906949]}},{"type":"Feature","properties":{"resourceCoords":[196.0,1410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8798816879144,42.8132017558695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"721.2,1820.0 1055.6,1842.8 1282.7,1869.3 1324.2,1876.0 1316.0,1912.0 1370.8,1912.0 1383.2,1912.0 1391.4,1887.3 1449.8,1897.6 1570.0,1912.0 1540.2,1576.7 1511.9,1231.2 1445.1,1220.0 1446.2,992.2 1442.0,662.9 1439.5,515.4 1443.3,330.5 1431.7,67.6 1420.9,70.2 1402.1,73.2 1237.2,92.6 1015.8,107.1 795.2,108.8 662.1,95.3 415.1,43.8 307.9,14.8 223.6,1.0 217.3,1.0 213.7,20.6 194.1,129.5 113.0,511.8 62.4,893.2 45.6,1157.9 195.2,1159.2 497.4,1155.0 496.7,1479.7 485.2,1814.3 721.2,1820.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[703.0,1142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8760526710178,42.810859343631726]}},{"type":"Feature","properties":{"resourceCoords":[703.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87676641747096,42.809735935878884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"239.2,620.0 332.5,309.0 415.9,45.3 491.9,49.3 780.8,139.6 808.9,24.6 946.5,175.0 1204.8,175.9 1248.4,245.1 1466.4,183.5 1490.0,229.7 1329.0,370.1 1460.6,643.8 1510.1,626.8 1512.6,1639.8 1459.5,1617.2 1321.8,1703.3 200.8,1815.8 199.1,1807.2 173.7,1642.8 151.0,1421.7 141.2,1201.0 149.9,1067.3 192.4,818.1 217.5,709.6 230.4,656.4 229.0,618.6 239.2,620.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[191.0,868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87543876544521,42.81285461681341]}},{"type":"Feature","properties":{"resourceCoords":[339.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87711144063483,42.81378495403163]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p14","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.4,1463.5 76.8,1499.2 143.6,1500.2 152.1,1475.7 210.1,1486.8 330.1,1510.3 304.6,1168.7 281.2,824.4 214.8,812.4 219.1,585.6 219.4,257.8 219.3,201.3 744.6,197.3 740.4,130.4 822.1,134.6 1008.0,166.0 1153.1,191.1 1219.3,202.5 1194.8,441.6 1192.9,460.1 1190.0,488.2 1170.4,708.6 1230.4,713.8 1275.4,1017.5 1348.2,1025.6 1323.1,1275.9 1292.9,1457.4 1238.2,1689.6 1276.4,1698.0 1155.4,1821.2 1116.2,1742.8 802.9,1835.2 121.5,1754.3 1.3,1808.4 84.9,1463.5 85.4,1463.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[791.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8733025,42.8094712]}},{"type":"Feature","properties":{"resourceCoords":[219.0,111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8737329,42.8113281]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"752.4,1666.7 670.5,1660.8 673.4,1728.0 146.5,1721.2 148.1,1630.7 158.2,1446.3 155.6,1183.7 144.8,1185.8 134.6,1187.2 101.8,64.8 185.8,222.8 420.6,115.0 1347.9,169.2 1298.0,186.2 1489.5,970.2 1512.0,957.8 1533.3,952.0 1450.6,1801.2 1436.6,1798.5 1149.3,1743.0 938.2,1702.0 752.4,1666.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[660.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87200714390254,42.8119139511612]}},{"type":"Feature","properties":{"resourceCoords":[166.0,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87362293482073,42.81143419160629]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p16 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"4308.8"},{"label":"split_canvas_w","value":"4229.2"},{"label":"split_canvas_h","value":"3343.2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"452.5,1908.1 872.0,1714.4 862.9,1667.6 1032.6,1376.2 1033.4,1366.5 1014.1,1355.0 989.2,1110.6 782.4,1159.3 784.3,1177.0 736.2,1170.2 138.1,1311.2 63.6,1479.5 34.0,1887.2 452.5,1908.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[766.2,1168.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87503542071538,42.80702891543003]}},{"type":"Feature","properties":{"resourceCoords":[341.1,1101.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87604011693412,42.80673480429218]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p16 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"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":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1509.5,1044.2 1515.4,692.6 1514.8,469.9 1503.2,150.6 1501.2,84.4 1358.8,1.0 1339.6,1.0 1277.7,54.2 809.4,37.1 779.4,1.0 777.3,1.0 499.6,224.4 491.0,273.1 12.4,305.0 31.0,313.2 53.5,1272.7 804.2,1134.8 865.9,1120.8 1057.3,1077.2 1057.3,1077.3 1059.0,1088.1 1009.0,1698.5 1006.0,1698.7 1004.7,1714.8 1003.9,1724.1 1003.2,1732.7 1491.3,1803.3 1491.3,1802.1 1500.0,1449.0 1509.5,1044.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1500.0,1449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.870356,42.806374]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8730262,42.8079213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.1,1793.2 218.2,1797.2 338.7,1794.6 805.0,1774.9 923.2,1745.1 1088.8,1719.4 1236.8,1707.0 1485.2,1667.3 1460.1,1005.3 1438.7,731.5 1576.9,698.4 1562.1,600.9 1558.9,402.3 1553.6,106.4 1310.7,127.4 1263.3,131.5 1039.9,153.8 1046.1,214.6 752.1,317.1 757.8,391.2 503.6,413.8 316.9,418.1 75.2,407.6 72.2,512.5 65.5,826.4 53.4,1045.0 27.6,1389.7 1.0,1715.6 1.0,1787.2 38.1,1793.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[607.0,1444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87018267507922,42.80763480926814]}},{"type":"Feature","properties":{"resourceCoords":[1548.0,405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8709506713989,42.81010535426315]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.9,1540.3 184.4,674.0 234.6,657.0 270.6,656.1 308.9,683.4 341.8,737.6 337.5,602.8 373.1,464.2 464.8,372.1 519.6,329.6 595.5,291.1 731.4,242.7 829.5,216.7 1119.7,153.5 1388.1,105.3 1391.1,525.4 1385.3,801.5 1353.9,1230.1 1369.3,1586.3 1384.4,1799.2 722.9,1726.0 447.7,1706.7 435.2,1564.5 336.2,1564.7 152.9,1540.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86887142249152,42.81029533290528]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86711711122948,42.811517669481546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p19 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"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":"4180.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.7,220.2 197.2,254.9 156.9,281.4 93.1,292.6 223.2,338.4 342.1,423.5 395.9,545.0 416.1,613.0 424.8,699.6 420.6,846.9 409.0,950.0 361.9,1249.8 308.4,1523.4 302.0,1544.6 301.0,1547.9 241.3,1655.1 174.2,1739.5 152.9,1763.3 108.6,1828.2 695.9,1872.5 915.6,1752.2 1044.1,809.3 1038.5,248.1 1044.1,233.5 1044.1,175.9 207.9,117.1 213.1,143.3 209.7,220.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[382.0,1143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86752183136461,42.811619559534726]}},{"type":"Feature","properties":{"resourceCoords":[-340.0,989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86804906272779,42.810378686507285]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1470.2,1869.9 1134.2,1912.0 422.4,1912.0 294.4,1899.0 247.8,1912.0 243.3,1912.0 214.0,1881.8 73.8,1850.2 50.9,1778.8 36.8,866.6 132.8,806.8 48.4,747.6 24.4,325.6 106.5,152.8 61.3,30.5 1066.2,13.3 1547.3,64.7 1598.5,212.6 1545.1,632.0 1609.3,1021.7 1606.0,1877.8 1470.2,1869.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1135.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88820984658719,42.8191507420582]}},{"type":"Feature","properties":{"resourceCoords":[314.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.89034258454251,42.81859784588298]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1047.3,1840.1 993.9,1833.3 825.4,1812.0 625.6,1787.2 283.7,1746.8 292.1,1704.6 302.3,1526.2 303.9,1406.8 300.8,944.0 275.4,825.8 255.6,660.7 248.5,513.6 217.9,266.0 179.4,58.8 1094.0,72.5 1272.0,1055.5 1321.4,1297.4 1347.2,1413.3 1372.8,1554.2 1388.7,1642.2 1432.3,1889.1 1126.5,1850.1 1047.3,1840.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[243.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86842511540893,42.80869444749787]}},{"type":"Feature","properties":{"resourceCoords":[1170.0,457.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86676440264974,42.80746747796011]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.2,1654.3 186.6,990.5 45.5,1010.1 110.7,93.9 462.4,58.5 888.3,65.5 1162.0,55.7 1577.6,29.1 1580.8,53.7 1571.2,172.3 1546.0,273.8 1523.8,378.4 1515.1,381.6 1507.8,608.4 1413.8,713.5 1391.7,854.5 1508.8,984.5 1510.7,1137.5 1336.5,1237.1 1290.5,1725.7 1343.3,1799.0 1279.4,1793.4 1266.8,1792.3 1268.8,1767.9 1139.7,1780.8 789.7,1830.0 417.1,1872.1 144.8,1905.3 149.2,1654.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[434.0,1571.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86472110096584,42.80823787406069]}},{"type":"Feature","properties":{"resourceCoords":[474.0,316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8673677190445,42.809431476015476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0023__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p23 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0023__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"823.4,611.7 821.2,480.1 818.4,312.9 814.6,115.8 343.3,71.3 344.4,38.6 107.3,73.7 56.5,137.3 187.2,497.4 152.2,557.0 82.2,598.8 34.6,998.4 73.5,1187.0 129.0,1206.2 67.2,1357.0 137.8,1382.5 153.3,1765.7 369.2,1780.3 473.8,1900.0 862.7,1799.2 863.5,1806.5 982.7,1780.3 1087.0,1744.5 1516.5,1605.5 1490.0,1520.2 1460.5,1384.5 1434.3,1032.7 1407.2,815.3 1389.5,724.4 1280.1,765.8 1062.8,838.2 828.2,915.3 823.4,611.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[844.0,311.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86927605116132,42.80577498343691]}},{"type":"Feature","properties":{"resourceCoords":[844.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86643915701063,42.803956777605805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p24 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4410.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3242.0"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"588.0,1168.5 374.3,1279.3 97.4,1270.7 78.6,1294.5 123.2,1315.8 130.1,1468.7 46.8,1505.4 23.4,1775.0 114.9,1880.9 1128.4,1830.2 1192.0,1912.0 1547.0,1912.0 1544.4,1870.8 1520.0,1644.5 1468.0,1315.0 1299.9,1343.1 588.0,1168.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[868.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87657732209829,42.808247330184216]}},{"type":"Feature","properties":{"resourceCoords":[1484.0,1303.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8767228235631,42.80975967983926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p24 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"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":"4782.8"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.3,1135.2 424.0,1100.8 626.4,1081.8 1013.8,1036.0 1303.3,1005.7 1474.4,987.8 1482.7,738.0 1530.4,77.9 1389.7,95.2 396.6,202.0 151.8,233.9 149.7,327.9 129.6,549.3 79.5,903.9 79.5,1044.9 87.3,1135.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[783.0,162.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8669827941981,42.8071024850109]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86642647021394,42.80813072160485]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p25","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1509.2,1824.5 430.1,1594.6 466.7,1511.9 121.2,1508.1 131.7,1408.4 234.8,1306.3 152.6,1149.1 213.6,1062.7 199.0,875.0 75.5,690.5 56.5,539.5 142.3,259.8 86.2,162.6 492.6,138.6 492.0,146.0 615.6,143.3 726.2,128.1 1180.5,74.2 1515.8,33.1 1491.9,291.8 1466.3,526.8 1458.5,637.0 1462.4,924.1 1475.7,1207.6 1530.5,1196.4 1523.6,1370.5 1509.2,1824.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1069.0,1287.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.863223,42.803852]}},{"type":"Feature","properties":{"resourceCoords":[492.0,146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.866402,42.803981]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p26","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"402.1,1559.7 404.8,1380.6 348.7,1393.6 327.7,1102.8 316.2,808.0 321.4,694.6 341.4,452.7 359.2,186.5 565.6,157.5 960.2,92.6 1255.3,48.1 1263.8,332.5 1295.4,950.0 1309.4,1421.2 1308.9,1657.4 1305.2,1826.0 1086.5,1823.0 719.0,1818.0 718.7,1834.8 400.4,1853.2 402.1,1559.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[324.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.863696,42.804879]}},{"type":"Feature","properties":{"resourceCoords":[719.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.861542,42.804736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"258.0,138.8 529.6,109.8 901.3,73.6 1250.6,29.9 1379.4,19.2 1377.0,43.4 1453.0,51.2 1482.5,93.4 1612.0,38.0 1612.0,38.8 1511.7,161.8 1584.1,1136.2 1507.4,1533.5 1382.0,1628.0 1326.8,1819.0 1090.8,1881.6 1090.3,1885.5 63.4,1805.0 68.5,1728.0 79.4,1497.7 86.5,1037.8 82.7,434.4 86.9,156.8 258.0,138.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86417061400827,42.80796715098941]}},{"type":"Feature","properties":{"resourceCoords":[91.0,935.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.86282608389664,42.80651371296948]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.6,1434.2 121.0,1464.6 278.6,368.7 109.3,375.9 78.3,66.4 61.9,66.9 61.4,51.4 330.6,60.0 752.1,46.6 1095.0,39.6 1297.9,39.4 1232.7,195.8 1205.3,281.6 1300.1,313.7 1612.0,509.1 1540.3,562.8 1545.0,755.8 1481.1,754.3 1460.8,857.1 1507.5,1351.5 1567.4,1426.9 1527.0,1686.0 724.6,1880.3 152.3,1856.9 156.2,1783.0 55.2,1779.8 35.6,1434.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86157615325766,42.80490053017442]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.85827208594512,42.80325142636735]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86091909353995,42.800356064178]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86422316085249,42.802005167985065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.7,1503.2 314.5,1593.3 595.5,1678.5 937.1,1766.5 1105.5,1818.5 1406.6,1895.7 1456.1,1903.0 1463.8,1912.0 1469.5,1889.3 1560.0,1887.6 1611.8,1794.9 1582.3,95.4 551.3,144.2 556.4,231.5 343.1,245.8 1.0,268.7 1.0,553.6 26.9,958.5 44.9,1300.6 51.7,1503.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1567.0,942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.85788514929658,42.80634310283041]}},{"type":"Feature","properties":{"resourceCoords":[30.0,1150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.85971160287622,42.80386039974309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0030__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p30 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0030__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.1,1749.8 529.4,1877.4 1453.0,1861.6 1540.2,1821.7 1557.0,1716.7 1381.7,1504.4 1375.6,1348.1 1270.6,1331.3 980.0,1102.7 896.6,1106.0 853.8,544.1 818.5,441.1 681.0,436.0 671.8,426.0 610.0,47.5 220.3,28.3 221.8,36.0 213.0,37.6 215.4,87.3 198.2,395.8 179.9,570.1 159.8,920.2 130.8,1210.7 93.7,1484.4 66.6,1650.5 59.9,1739.9 159.1,1749.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0030__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[643.0,-3.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.85531866578323,42.80462384044539]}},{"type":"Feature","properties":{"resourceCoords":[1114.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.85680426893481,42.80244206841785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"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":"3392.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"829.4,1736.6 623.8,189.2 552.2,109.5 339.9,122.0 284.8,45.1 102.8,79.5 62.5,262.8 132.2,867.6 25.5,1206.0 125.9,1398.9 78.6,1706.4 18.4,1814.1 204.1,1805.4 398.6,1801.1 631.2,1826.6 792.0,1840.4 823.0,1804.6 829.4,1736.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[363.0,483.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88628924113587,42.82188218170491]}},{"type":"Feature","properties":{"resourceCoords":[806.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88348579938447,42.82040591129078]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2545.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3906.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,264.6 1612.0,235.2 1272.2,37.8 1009.4,7.1 860.9,9.7 650.8,19.5 638.5,20.5 639.4,29.4 639.9,33.7 644.0,73.7 681.7,100.1 909.8,1758.4 1343.5,1826.2 1463.0,1746.4 1552.0,1463.6 1499.0,1254.0 1479.0,867.6 1422.3,818.8 1491.8,667.7 1495.5,416.0 1602.2,263.7 1612.0,264.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.3,1432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8907587648003,42.81502155383288]}},{"type":"Feature","properties":{"resourceCoords":[1232.2,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88756914376077,42.81602707621769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1282.2,1306.9 1281.2,1307.0 1275.0,1307.8 1199.0,889.5 1376.6,866.1 1514.6,384.3 1526.2,382.7 1514.8,119.6 1191.4,152.3 1060.8,1.0 430.6,1.0 341.7,18.4 204.3,31.2 158.1,54.4 241.6,112.8 176.9,215.9 229.9,219.8 250.1,423.8 260.0,568.1 243.3,825.3 68.3,1165.9 39.7,1167.3 27.6,1423.5 120.2,1643.9 61.0,1752.2 290.5,1904.4 286.5,1912.0 456.3,1912.0 696.2,1878.7 1046.5,1821.8 1282.6,1788.5 1381.5,1778.2 1302.7,1428.4 1282.2,1306.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[239.0,477.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88795205062354,42.816533055029765]}},{"type":"Feature","properties":{"resourceCoords":[1521.0,386.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.885316764854,42.817943667755465]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1570.3,1857.4 1141.5,1884.0 1139.1,1703.0 672.0,1507.2 671.8,1495.4 406.4,1475.5 400.8,1804.1 241.1,1912.0 105.9,1912.0 43.6,1604.7 41.2,1462.0 54.1,867.7 50.2,865.3 50.9,683.4 56.3,493.0 92.7,266.8 114.1,110.3 80.6,78.3 14.4,68.6 463.3,31.9 722.8,71.4 776.4,133.3 958.3,82.3 1188.9,239.6 1504.8,114.0 1552.1,511.9 1596.8,516.0 1580.9,727.0 1568.7,1486.2 1568.5,1679.6 1570.3,1857.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[682.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8852715714839,42.81795249787762]}},{"type":"Feature","properties":{"resourceCoords":[74.0,462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88422842944205,42.82000543226425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p6","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"539.5,202.9 784.1,222.7 1143.1,243.2 1384.0,262.1 1484.0,273.6 1489.3,973.0 1500.7,1280.9 1502.6,1477.1 1500.0,1693.7 1140.4,1694.7 883.2,1688.0 308.8,1696.6 309.3,1707.2 174.2,1578.4 226.7,1525.2 169.1,1458.2 230.0,1281.2 117.4,809.8 157.8,653.8 281.3,517.9 197.2,373.2 370.9,166.6 539.5,202.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1120.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.883163,42.814225]}},{"type":"Feature","properties":{"resourceCoords":[697.0,1691.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.882654,42.812738]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"724.4,1857.9 368.0,1903.2 302.6,1912.0 244.8,1912.0 239.3,1743.1 235.2,1551.3 230.6,798.7 241.6,589.2 197.2,586.1 141.6,192.8 414.8,77.0 1191.5,78.8 1218.3,13.1 1419.3,571.3 1408.8,573.0 1417.3,812.0 1405.7,1384.4 1405.8,1698.6 1410.1,1768.1 724.4,1857.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1078.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88195769498002,42.81578514663289]}},{"type":"Feature","properties":{"resourceCoords":[1404.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88145451698153,42.8153046714075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.6,1337.8 171.3,1336.3 269.5,777.4 323.8,529.0 389.5,179.9 418.6,29.2 907.8,108.3 986.3,120.8 971.9,280.9 1291.0,568.4 1453.9,552.3 1449.7,584.7 1456.5,846.5 1468.5,1100.0 1484.3,1225.0 1546.7,1214.8 1489.5,1878.3 1414.0,1775.7 1316.3,1825.5 1148.5,1773.9 985.7,1780.6 894.3,1852.4 713.6,1871.4 162.4,1864.2 79.5,1833.3 92.7,1533.4 31.7,1445.0 181.6,1337.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[913.0,102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8800109792676,42.8133362040571]}},{"type":"Feature","properties":{"resourceCoords":[175.0,1306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.88328570680645,42.81227253021641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newburyport, Massachusetts | 1914 | sanborn03804_005 p9","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:21:18Z","modified":"2026-10-19T03:21:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"612.3,1812.4 419.5,1814.8 117.0,1826.8 121.0,1757.7 158.2,1447.8 237.8,884.5 257.9,647.7 268.4,647.3 136.7,72.7 142.3,62.5 295.1,40.5 657.3,52.1 923.5,141.2 1366.7,100.9 1448.8,151.1 1474.2,216.6 1465.2,271.7 1424.4,521.2 1347.0,506.3 1323.0,1404.0 1317.6,1646.3 825.0,1661.7 825.1,1814.4 612.3,1812.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764nm:g038041914:03804_1914-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[182.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.881401,42.815321]}},{"type":"Feature","properties":{"resourceCoords":[1323.0,1404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.87958,42.813642]}}]}}]}