{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09603_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Madison, Wisconsin | 1892 | 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":"33"},{"label":"placed","value":"22"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef-snap 11, georef 11"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.07579,-89.38361 +/-2112m); p1__2 (tier 4, 43.07579,-89.38361 +/-2112m); p1__3 (tier 4, 43.07579,-89.38361 +/-2112m); p22__2 (tier 1, 43.06681,-89.39485 +/-138m); p23__1 (tier 1, 43.07384,-89.40448 +/-118m); p23__2 (tier 1, 43.07274,-89.40251 +/-254m); p23__3 (tier 1, 43.07685,-89.40053 +/-100m); p24__2 (tier 1, 43.08983,-89.36554 +/-100m); p3__2 (tier 1, 43.07858,-89.37170 +/-107m); p6__1 (tier 3, 43.08370,-89.38663 +/-1859m); p6__2 (tier 1, 43.07945,-89.38295 +/-122m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0010","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.5,1108.5 127.7,1885.0 130.1,1885.0 167.9,1885.0 578.1,1711.2 578.1,1689.2 656.6,1691.1 1096.7,1688.9 1137.3,1727.1 1531.2,1718.0 1574.7,1723.0 1573.0,1579.8 1574.2,97.7 74.4,111.3 1.0,116.1 1.0,130.8 17.4,148.8 1.0,226.0 1.0,496.5 19.3,542.3 23.9,925.0 9.2,969.9 1.0,979.9 1.0,1106.2 62.5,1108.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,1080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38321942411491,43.076954674608736]}},{"type":"Feature","properties":{"resourceCoords":[37.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38693839085332,43.076942071531704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p11","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0011","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.6,1748.7 1562.2,1739.2 1557.5,1207.7 1561.2,1056.8 1558.7,826.4 1539.2,797.3 1521.3,516.6 1566.1,543.6 1452.0,288.9 1500.8,194.6 1499.4,172.1 1428.7,138.7 1223.6,178.2 687.9,28.7 375.0,201.1 172.5,125.0 89.0,1.0 62.1,1.0 8.8,792.8 1.0,792.7 1.0,1157.4 13.0,1227.1 1.0,1267.7 1.0,1271.0 51.6,1271.1 69.2,1748.6 72.6,1748.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[605.0,1271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3866925,43.0783175]}},{"type":"Feature","properties":{"resourceCoords":[1558.0,1271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3849039,43.07957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0012","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1452.5,1762.7 531.0,1769.0 93.3,1767.5 65.7,1779.9 34.7,139.1 192.6,32.5 192.6,59.7 1014.5,114.0 1014.5,123.1 1388.1,122.6 1388.7,122.3 1464.8,109.1 1510.4,137.2 1514.0,1684.9 1513.7,1760.5 1452.5,1762.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1018.0,781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3898749,43.0773405]}},{"type":"Feature","properties":{"resourceCoords":[531.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3925097,43.0767343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0013","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1084.2,1777.9 1042.8,1789.5 809.3,1792.8 775.9,1778.9 558.4,1772.4 516.4,1789.3 471.7,1769.3 107.2,1770.1 66.2,1775.5 65.9,1701.0 50.1,174.2 49.6,107.0 537.8,84.4 543.2,156.6 576.3,138.7 659.6,155.8 927.0,154.1 975.9,134.2 1364.5,127.0 1410.2,141.6 1437.0,163.1 1471.5,161.9 1504.4,1277.8 1524.6,1277.0 1529.1,1768.2 1084.2,1777.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[540.0,791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38814275602007,43.07605645611721]}},{"type":"Feature","properties":{"resourceCoords":[1031.0,1773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38910510314862,43.07414277713773]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0014","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1390.5,1824.6 770.0,1825.9 703.2,1817.4 199.1,1814.1 155.0,1815.3 156.3,1320.5 136.0,1321.1 116.3,196.4 81.5,197.2 66.3,184.8 194.3,185.4 197.0,121.5 1391.8,27.6 1391.2,141.3 1390.8,198.3 1392.4,727.0 1368.2,776.9 1484.9,893.6 1430.4,947.2 1416.4,981.5 1418.8,1287.9 1437.8,1375.7 1438.7,1520.5 1435.0,1820.8 1390.5,1824.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1424.0,1311.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38508995749997,43.07243654500421]}},{"type":"Feature","properties":{"resourceCoords":[152.0,1315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3873246315872,43.0741193337916]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0015","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.1,1454.1 119.5,1308.1 101.3,1219.4 101.8,910.4 116.2,875.9 171.6,822.3 55.1,703.5 79.9,653.4 83.3,120.1 83.3,116.7 1105.6,130.8 1105.5,131.5 1385.1,29.3 1491.3,61.4 1592.4,274.5 1542.2,1084.2 1561.2,1795.7 1089.7,1807.8 1090.2,1751.9 1024.3,1766.6 560.4,1765.3 112.6,1757.0 119.1,1454.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1103.0,775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3825083,43.071736]}},{"type":"Feature","properties":{"resourceCoords":[112.0,1266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3851215,43.0723993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p16","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0016","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1065.6,1831.3 1065.8,1824.5 574.9,1828.5 574.8,1818.2 80.0,1829.0 80.1,1802.7 84.7,1034.1 83.5,465.6 77.8,64.9 527.5,69.7 993.3,67.3 1059.3,52.0 1059.3,108.2 1532.7,92.3 1592.5,1825.6 1065.6,1831.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1061.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3860854,43.0692186]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.387777,43.0704968]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p17","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0017","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1420.6,1790.1 1420.5,1885.0 1393.5,1885.0 1393.3,1861.6 210.8,1834.4 183.8,1758.5 162.1,1787.8 160.2,1260.8 152.8,974.1 154.1,93.2 153.2,46.5 196.6,45.1 692.8,47.5 758.5,55.8 1369.2,53.5 1413.0,49.6 1419.8,438.9 1422.8,991.4 1420.6,1738.1 1420.6,1790.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[791.0,1017.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3888899,43.0713548]}},{"type":"Feature","properties":{"resourceCoords":[154.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3900231,43.0722138]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0018","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1492.5,1865.2 20.1,1832.2 48.4,1781.9 64.0,1695.8 62.5,1309.3 53.0,1202.4 54.8,1066.9 62.2,1019.6 61.7,574.0 58.1,387.8 60.5,30.1 101.8,25.0 467.9,27.6 512.6,48.0 555.0,31.4 773.4,40.0 806.8,54.3 1041.5,53.2 1083.0,41.9 1530.1,36.2 1531.1,83.7 1530.7,976.0 1538.3,1266.6 1540.8,1800.4 1492.5,1865.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1040.0,1023.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.39088900178884,43.072866956222825]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,1023.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.39004835808787,43.07222651980675]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0019","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.5,1422.6 97.3,598.3 29.4,196.7 76.8,83.8 103.8,71.4 533.0,69.9 1436.7,57.5 1496.7,54.9 1497.2,408.9 1502.3,593.2 1506.4,1034.1 1499.4,1080.9 1498.8,1215.0 1509.0,1320.7 1513.6,1703.1 1498.8,1788.5 1471.2,1838.5 1165.3,1834.1 1117.3,1885.0 1112.5,1885.0 1031.8,1863.5 1031.4,1819.3 1031.2,1789.2 217.5,1757.1 156.1,1819.3 34.5,1422.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1503.0,1043.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.39261778624072,43.074169052107756]}},{"type":"Feature","properties":{"resourceCoords":[1019.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3916831750122,43.076055924957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0002","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.3,1.0 102.9,1.0 102.0,9.0 78.0,9.0 77.1,1.0 62.9,1.0 83.2,1326.0 37.6,1324.7 13.3,1429.1 138.8,1780.8 480.3,1850.5 1230.5,1864.2 1502.5,1859.4 1571.3,1774.8 1557.5,126.8 1375.2,56.5 153.6,70.2 113.3,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1044.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.36703037178124,43.08007246504065]}},{"type":"Feature","properties":{"resourceCoords":[76.0,325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.36969387285131,43.07952261448552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0020","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.9,650.8 78.6,1848.0 1535.2,1815.2 1592.2,1256.5 1592.1,1176.6 1556.0,177.0 1510.0,140.3 1509.5,60.5 1473.9,56.2 1266.1,118.6 1069.5,36.5 875.2,62.5 730.1,22.4 727.4,1.0 725.2,1.0 653.5,36.1 622.2,4.9 590.8,1.0 581.9,1.0 1.0,530.8 1.0,619.6 58.9,650.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[955.0,999.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3974530934328,43.07323441424128]}},{"type":"Feature","properties":{"resourceCoords":[955.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.39580974550903,43.07320738805309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0021","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1264.7 1.0,1264.9 33.8,1273.7 31.2,1699.0 34.5,1885.0 56.5,1885.0 57.9,1854.3 1571.2,1827.2 1483.4,1074.2 1528.5,288.4 1521.6,73.7 1005.9,78.1 1006.1,71.3 525.5,74.1 525.5,64.0 41.2,73.5 41.0,100.1 40.4,195.7 13.2,195.5 13.5,1264.9 1.0,1264.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1008.0,296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38784386764006,43.067958067447975]}},{"type":"Feature","properties":{"resourceCoords":[61.0,1277.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.39131409546957,43.06795006570019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p22 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.43"},{"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":"6380.0"},{"label":"split_canvas_h","value":"7544.0"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0022","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"965.0,1871.4 965.8,1850.2 1145.1,1845.7 1555.0,1845.0 1563.5,1812.4 1571.3,845.8 1519.0,495.8 707.9,503.8 729.9,602.2 670.6,603.5 653.6,509.9 614.2,501.8 597.9,501.9 595.8,497.9 589.0,496.6 343.4,126.0 113.5,22.3 25.9,83.6 38.4,1537.6 139.5,1634.3 183.7,1841.0 965.0,1871.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1555.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3913563,43.0679906]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3924624,43.0688353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p24 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"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":"6380.0"},{"label":"split_canvas_h","value":"7544.0"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0024","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1365.8,207.4 1191.4,304.3 1055.5,255.2 970.2,142.8 257.2,38.0 50.9,94.0 31.4,156.7 44.6,1827.2 567.9,1790.6 911.5,1845.8 1113.0,1805.4 1160.9,1353.0 1282.8,1226.0 1448.8,1222.7 1466.4,1066.7 1539.6,1096.3 1562.7,955.7 1454.5,485.8 1285.0,312.8 1365.8,207.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1161.0,945.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.36447692132211,43.08862160245979]}},{"type":"Feature","properties":{"resourceCoords":[59.0,945.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.36639862239981,43.09008331323302]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.95"},{"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":"6380.0"},{"label":"split_canvas_h","value":"7544.0"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0003","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"875.6,1820.6 1010.8,1827.7 1083.3,1400.3 1285.2,954.2 1402.6,873.5 1364.7,594.2 1531.1,185.3 1580.6,168.3 1475.3,142.4 1477.2,96.4 136.4,100.8 137.1,50.4 55.0,96.8 48.0,1508.6 1.0,1551.3 1.0,1625.2 487.5,1785.8 594.7,1778.4 653.0,1669.8 859.8,1837.2 875.6,1820.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[488.0,1091.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.371476,43.078225]}},{"type":"Feature","properties":{"resourceCoords":[975.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3688208,43.0788356]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0004","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.1,1354.9 45.8,1706.6 122.0,1764.0 119.6,1804.5 86.2,1813.6 1251.7,1844.7 1288.7,1878.8 1452.2,1670.2 1343.1,1613.8 1334.0,1507.0 1487.0,1018.8 1559.3,1017.7 1533.3,990.0 1575.9,501.9 1510.2,40.6 750.1,44.5 529.1,50.7 100.6,56.6 45.3,59.7 55.3,983.7 81.2,1055.2 72.3,1119.0 10.3,1235.8 1.0,1231.8 1.0,1300.3 42.1,1354.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1032.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.37580369765365,43.07894445361161]}},{"type":"Feature","properties":{"resourceCoords":[71.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.37758711828168,43.07774181236373]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0005","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.0,1232.9 60.9,1278.9 61.1,1345.8 47.6,1400.8 56.6,1442.8 53.8,1821.8 109.3,1819.7 539.1,1821.7 760.8,1819.5 1523.1,1829.6 1517.7,1786.4 1544.3,136.4 1101.3,37.1 141.4,21.6 129.7,1.0 47.4,1.0 41.9,508.2 43.3,705.6 39.7,1099.9 41.0,1232.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1037.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3758279,43.0789458]}},{"type":"Feature","properties":{"resourceCoords":[1036.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3788954,43.0812826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p6 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1979.2"},{"label":"split_canvas_w","value":"6380.0"},{"label":"split_canvas_h","value":"5564.8"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0006","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.7,1244.2 109.7,1788.0 1555.6,1788.5 1506.0,1348.8 1546.4,1044.7 1388.5,862.7 745.7,870.1 722.5,927.3 722.5,939.9 722.5,940.1 718.4,937.4 716.3,942.7 117.5,568.8 115.6,564.7 69.8,537.0 87.7,824.2 107.5,854.0 109.8,1089.8 108.1,1153.8 105.7,1244.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3831617,43.0795603]}},{"type":"Feature","properties":{"resourceCoords":[1477.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3815511,43.0806917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0007","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.0,1650.3 96.3,117.2 1567.0,111.2 1512.7,459.2 1565.7,551.1 1508.8,551.2 1483.2,551.3 1479.0,1064.0 1480.8,1263.0 1478.1,1660.8 1479.7,1795.0 946.2,1788.3 549.0,1805.5 141.9,1803.2 96.8,1798.5 95.0,1650.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[592.0,115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3831617,43.0795603]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,1107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.379852,43.0793658]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0008","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1443.9,1827.2 45.4,1839.3 90.0,1601.5 121.0,1585.0 138.7,1506.2 114.7,589.0 109.0,99.8 106.5,36.9 151.1,40.9 553.4,36.5 945.4,13.3 1472.5,11.3 1493.1,56.9 1494.5,123.5 1482.1,178.6 1491.8,220.2 1496.0,598.0 1506.2,1521.5 1532.0,1592.9 1523.2,1656.7 1461.3,1773.5 1451.0,1769.0 1451.0,1836.6 1443.9,1827.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1496.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3776147,43.0776937]}},{"type":"Feature","properties":{"resourceCoords":[121.0,1585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.3784765,43.0746336]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Wisconsin | 1892 | sanborn09603_002 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:44:19Z","modified":"2026-10-19T18:44:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0009","type":"ImageService3","width":1595,"height":1886},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.7,632.7 52.5,632.6 1.0,632.5 1.0,1626.9 98.8,1885.0 119.4,1834.3 1489.9,1846.1 1537.7,1613.8 1568.3,1598.1 1587.0,1521.2 1579.0,622.1 1581.7,142.7 1580.3,81.0 1536.8,75.8 1142.3,84.6 1101.7,46.2 661.0,48.0 582.5,46.0 582.4,68.0 171.4,241.7 131.2,241.7 163.7,632.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124mm:g096031892:09603_1892-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[602.0,1138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38109781032652,43.0740029742675]}},{"type":"Feature","properties":{"resourceCoords":[1093.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.38212037741557,43.07612357796735]}}]}}]}