{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08902_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Barre, Vermont | 1900 | 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":"35"},{"label":"placed","value":"10"},{"label":"unplaced","value":"25"},{"label":"fit sources","value":"georef-snap 7, georef 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 30 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 44.20316,-72.51246 +/-203m); p10__3 (tier 1, 44.20265,-72.51339 +/-228m); p11__2 (tier 1, 44.20259,-72.50788 +/-100m); p12__2 (tier 1, 44.21156,-72.52555 +/-100m); p13__2 (tier 1, 44.20801,-72.51340 +/-100m); p14__1 (tier 1, 44.18553,-72.49544 +/-100m); p14__2 (tier 1, 44.18511,-72.49662 +/-100m); p14__3 (tier 1, 44.18449,-72.50036 +/-100m); p14__4 (tier 1, 44.18542,-72.49715 +/-100m); p14__5 (tier 1, 44.18838,-72.49860 +/-100m); p14__6 (tier 1, 44.18517,-72.49685 +/-100m); p14__7 (tier 1, 44.18570,-72.49683 +/-100m); p15__1 (tier 4, 44.20090,-72.50576 +/-1043m); p15__2 (tier 1, 44.18250,-72.50047 +/-246m); p15__3 (tier 4, 44.20090,-72.50576 +/-1043m); p15__4 (tier 4, 44.20090,-72.50576 +/-1043m); p15__5 (tier 4, 44.20090,-72.50576 +/-1043m); p15__6 (tier 4, 44.20090,-72.50576 +/-1043m); p15__7 (tier 4, 44.20090,-72.50576 +/-1043m); p3__1 (tier 1, 44.19141,-72.49666 +/-100m); p3__2 (tier 2, 44.19385,-72.50085 +/-100m); p8__1 (tier 2, 44.19881,-72.50486 +/-100m); p8__2 (tier 1, 44.19963,-72.50760 +/-146m); p8__3 (tier 1, 44.19799,-72.50442 +/-100m); p9__2 (tier 1, 44.20299,-72.50511 +/-108m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p10 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.41"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2046.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2995.6"},{"label":"split_canvas_h","value":"4430.4"}],"created":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"781.1,18.2 570.7,70.8 566.7,1077.4 966.4,1062.1 1157.0,1096.2 1178.8,1106.6 1191.6,1046.5 1079.0,809.4 1068.7,175.0 1116.8,163.2 1101.8,64.0 909.3,56.0 907.9,7.0 781.1,18.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.5,847.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.5131431,44.2031121]}},{"type":"Feature","properties":{"resourceCoords":[737.5,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.514969,44.2037332]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p11 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1070.3,23.5 844.0,62.9 761.1,354.9 759.7,849.2 756.5,849.4 756.5,850.5 737.4,850.5 91.1,887.3 59.0,935.2 70.6,1047.4 132.7,1045.5 167.7,1407.9 243.5,1476.2 264.9,1690.4 368.9,1742.8 406.8,1776.9 518.7,1843.2 481.2,1912.0 497.8,1912.0 555.1,1892.6 566.6,1875.4 1311.2,1853.6 1557.8,1706.2 1578.2,1432.1 1401.7,882.8 1521.5,883.0 1510.2,815.0 1146.9,145.4 1119.9,75.8 1086.7,1.0 1085.6,1.0 1070.3,23.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1029.0,202.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.50768285697676,44.20462688282292]}},{"type":"Feature","properties":{"resourceCoords":[1171.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.50895341482732,44.203696235819]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p12 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.66"},{"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":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.3,1825.8 161.8,1787.2 173.9,1833.3 357.9,1798.3 394.0,1888.9 576.9,1796.3 795.4,1836.7 1413.9,1782.3 1454.3,1828.5 1464.8,1757.9 1530.5,1758.3 1612.0,811.6 1612.0,473.9 1591.5,448.1 1572.8,155.3 1263.9,270.8 662.0,41.5 471.9,25.1 413.7,80.8 408.1,495.3 381.0,527.0 321.4,527.0 39.9,630.0 44.6,1045.7 122.5,1319.2 44.3,1825.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[982.0,1754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.513614,44.2052623]}},{"type":"Feature","properties":{"resourceCoords":[646.0,1754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.514154,44.204776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p13 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.5,1487.8 190.8,1826.6 438.8,1853.6 837.0,1699.0 943.5,1564.2 945.8,1332.2 1028.2,1233.6 1208.8,1207.4 1281.7,1275.5 1457.8,1264.5 1511.3,1207.2 1581.2,735.9 1515.4,576.8 1307.1,382.1 1329.1,285.6 1209.2,319.8 1003.4,195.7 487.9,162.6 241.7,39.8 91.0,55.0 23.8,158.1 1.0,136.8 1.0,323.5 63.6,1351.0 1.0,1359.8 1.0,1430.5 68.5,1487.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[602.0,860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.51257058505152,44.2074258163106]}},{"type":"Feature","properties":{"resourceCoords":[362.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.51246730479039,44.20668151366592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.1,194.6 279.3,203.4 813.0,236.3 876.1,196.7 977.7,174.9 971.8,107.2 1092.6,104.4 1149.7,103.6 1612.0,539.1 1572.6,568.2 1582.2,816.7 1512.2,962.3 1505.0,1342.6 1430.8,1400.2 1434.7,1653.0 1347.8,1647.2 1265.3,1729.4 1167.8,1686.0 946.8,1884.6 226.8,1875.4 33.0,1778.6 49.2,1610.7 156.1,1418.2 137.4,1240.7 52.6,1178.4 24.8,871.0 45.7,543.9 154.3,459.9 154.3,211.7 276.1,194.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[998.0,1084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.49613906230823,44.19427290054614]}},{"type":"Feature","properties":{"resourceCoords":[998.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4944942518384,44.19335971437848]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p4","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.1,1673.7 256.0,1682.5 350.2,1739.0 392.5,1753.5 445.8,1628.0 1101.5,1796.5 1097.5,1826.8 1592.3,1434.8 1511.2,1078.1 1584.2,520.9 1510.9,376.7 1525.6,102.3 1405.7,32.8 85.5,51.4 44.1,736.0 1.0,764.9 1.0,797.5 7.3,797.3 134.1,908.9 206.1,1645.6 209.1,1673.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[609.0,978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.4979386,44.1974978]}},{"type":"Feature","properties":{"resourceCoords":[1421.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.495648,44.1972354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1582.0,789.8 1519.7,1079.8 1579.9,1521.8 1512.0,1803.1 268.3,1876.0 257.4,1912.0 218.1,1912.0 151.7,1912.0 77.1,1271.6 77.1,1212.5 100.3,1023.4 130.3,860.8 163.6,781.8 146.7,645.7 159.6,654.9 198.5,624.8 306.4,590.9 346.4,568.1 286.0,441.3 863.8,51.2 921.7,118.1 1001.8,208.8 1049.8,160.7 1131.9,224.3 1203.0,247.1 1521.9,676.8 1517.2,684.9 1608.8,767.1 1582.0,789.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[163.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.49840936212885,44.19691723627827]}},{"type":"Feature","properties":{"resourceCoords":[144.0,641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.49976013516743,44.196745220550554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.1,1912.0 208.1,1866.4 1531.6,1819.9 1565.9,1775.7 1566.3,1774.8 1462.8,1761.9 1467.8,1126.1 1475.0,1068.3 1520.7,886.0 1569.9,730.5 1612.0,657.2 1612.0,522.0 1602.5,513.2 1054.3,1.0 880.6,1.0 876.3,5.0 844.9,18.5 409.3,32.8 344.5,153.7 215.2,199.3 180.2,168.8 140.0,164.6 91.0,208.9 21.7,494.4 1.0,488.5 1.0,543.1 2.2,610.5 1.0,676.8 1.0,731.6 202.8,1382.8 172.7,1396.3 190.4,1624.6 214.7,1617.2 112.1,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1462.0,1108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.50136056512217,44.19664151196839]}},{"type":"Feature","properties":{"resourceCoords":[205.0,391.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.50066637111634,44.19933258731558]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.8,844.9 158.0,465.2 136.2,79.5 156.4,51.5 533.5,126.2 532.6,140.6 1107.5,176.8 1105.8,211.6 1162.8,236.6 1234.8,103.5 1328.8,201.3 1512.0,200.6 1480.3,295.7 1568.5,426.7 1498.8,736.0 1585.2,807.6 1511.9,1161.6 1535.6,1770.1 1416.2,1912.0 1339.8,1912.0 1276.9,1899.6 1172.0,1850.4 504.3,1771.0 504.2,1738.5 292.5,1663.2 289.4,1687.9 66.0,1478.2 50.8,844.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[518.0,1028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.50447936214134,44.1997797675159]}},{"type":"Feature","properties":{"resourceCoords":[518.0,418.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.50560233118682,44.200635951485644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barre, Vermont | 1900 | sanborn08902_004 p9 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T06:36:55Z","modified":"2026-10-19T06:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,335.7 1.0,350.7 49.6,361.3 46.8,1399.7 118.2,1597.4 44.8,1704.6 429.8,1771.1 429.3,1785.8 1014.4,1808.1 1013.5,1843.5 1072.1,1867.4 1097.2,1818.2 1141.8,1730.4 1138.5,1727.2 1447.3,1115.3 1455.7,1114.1 1459.2,1107.2 1509.5,1106.2 1557.3,1099.1 1578.8,1032.4 1569.9,145.8 1428.5,57.7 1427.4,65.7 1349.9,80.2 1278.2,97.0 574.6,360.4 506.6,362.0 523.2,245.1 1.0,335.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089021900:08902_1900-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[962.0,222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.50779176136588,44.20392660112743]}},{"type":"Feature","properties":{"resourceCoords":[472.0,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.507087609972,44.20196970245494]}}]}}]}