{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09668_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Portage, Wisconsin | 1918 | 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":"21"},{"label":"placed","value":"14"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 7, georef-snap 6, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p12__3 (tier 1, 43.53748,-89.44832 +/-115m); p6__1 (tier 1, 43.54471,-89.45039 +/-100m); p6__3 (tier 1, 43.54038,-89.45606 +/-100m); p6__4 (tier 1, 43.54091,-89.45185 +/-100m); p6__5 (tier 1, 43.54499,-89.44971 +/-129m); p8__2 (tier 1, 43.54793,-89.46702 +/-100m); p9__2 (tier 2, 43.54601,-89.46317 +/-190m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"313.5,1899.0 444.7,1873.6 848.8,1886.2 1026.1,1889.4 1574.3,1891.2 1528.3,1659.9 1476.2,1422.8 1280.2,499.1 1191.2,76.3 1104.5,1.0 548.4,1.0 533.4,44.5 393.1,185.9 38.9,1151.5 81.1,1163.6 83.4,1290.0 81.6,1350.8 63.0,1404.7 3.5,1403.0 1.0,1505.5 1.0,1547.8 9.8,1565.7 1.0,1628.1 1.0,1635.2 43.9,1635.6 155.6,1864.6 313.8,1869.5 313.5,1899.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1369.0,969.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46209803646559,43.54285147120871]}},{"type":"Feature","properties":{"resourceCoords":[1010.0,1871.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46219286188894,43.5410738488314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p11 [1]","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":"7652.0"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.5,872.8 33.1,872.8 20.2,1526.2 52.1,1655.0 50.3,1871.7 1052.5,1883.9 1118.7,1873.5 1137.4,1836.9 1151.7,1837.0 1150.7,1699.2 1133.9,1649.1 1134.8,1337.3 1135.3,1211.8 1438.2,1209.5 1551.8,1207.2 1553.1,1079.2 1612.0,1059.5 1612.0,1021.5 1605.2,1014.6 1583.7,946.8 1612.0,937.9 1612.0,909.5 1603.0,880.5 1581.4,821.3 1559.5,822.5 1569.8,309.6 1612.0,222.2 1612.0,18.6 1573.3,43.5 1573.3,38.1 1134.5,37.9 725.2,43.5 316.1,39.0 316.3,69.2 261.4,71.2 261.4,63.9 150.2,66.1 83.7,120.6 74.7,311.4 35.3,314.5 36.0,435.4 45.2,439.7 44.4,502.2 27.4,502.3 28.4,737.1 20.5,872.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[321.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.47138472290253,43.541123414204506]}},{"type":"Feature","properties":{"resourceCoords":[1131.0,507.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46729955474282,43.542868450394536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p11 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4590.4"},{"label":"split_canvas_y","value":"5118.0"},{"label":"split_canvas_w","value":"1861.6"},{"label":"split_canvas_h","value":"2534.0"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1510.9 1612.0,1490.2 1612.0,1448.4 1602.8,1444.3 1600.5,1323.5 1555.5,1327.6 1515.0,1291.1 1163.1,1314.8 1165.8,1887.0 1593.1,1881.4 1599.2,1745.8 1595.0,1511.2 1612.0,1510.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1476.2,1513.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.473497,43.542845]}},{"type":"Feature","properties":{"resourceCoords":[1476.2,1387.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.473494,43.543308]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p12 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.93"},{"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":"4055.6"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.9,243.9 31.9,712.3 31.6,832.7 28.8,949.6 52.3,953.5 551.4,969.4 960.5,966.9 1369.9,966.6 1380.7,966.4 1612.0,884.6 1612.0,869.0 1589.5,868.0 1596.7,264.9 1565.5,129.0 1522.6,80.6 1454.1,93.7 1327.6,27.4 967.6,17.3 967.5,16.0 959.0,37.4 549.3,41.0 549.3,45.7 39.1,57.0 36.9,243.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[959.0,737.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.457387,43.543871]}},{"type":"Feature","properties":{"resourceCoords":[959.0,269.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.458656,43.545339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p12 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"4021.6"},{"label":"split_canvas_w","value":"3990.0"},{"label":"split_canvas_h","value":"3630.4"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.5,1110.0 42.0,1190.8 43.0,1571.2 40.6,1571.2 43.3,1804.5 28.0,1804.5 57.0,1912.0 139.1,1909.9 996.5,1909.8 975.3,1875.2 974.1,1047.0 884.4,1012.3 714.0,1017.3 623.5,1025.0 559.1,1066.3 497.4,1027.8 464.7,1045.9 450.8,1020.0 281.4,1012.6 281.4,1028.1 51.2,1109.8 40.5,1110.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[852.6,1337.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.450852,43.544843]}},{"type":"Feature","properties":{"resourceCoords":[43.0,1571.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.453732,43.542515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,812.0 1.0,1212.4 19.4,1218.7 92.1,1864.8 1587.5,1851.5 1593.9,1866.8 1580.4,1610.4 1530.6,1178.4 1519.3,1178.3 1518.7,723.7 1564.2,724.3 1544.0,456.6 1380.8,307.1 1612.0,260.3 1612.0,243.9 1612.0,230.9 1454.2,227.3 1341.3,1.0 1156.2,1.0 1073.0,242.1 856.0,174.4 324.3,1.0 275.2,1.0 199.4,224.2 1.0,812.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1880.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46281912101814,43.53998557096769]}},{"type":"Feature","properties":{"resourceCoords":[130.0,438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46723453256857,43.53940491669245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.0,1549.3 87.5,1875.3 641.1,1847.8 1074.7,1867.4 1150.6,1912.0 1205.0,1912.0 1430.3,1835.8 1442.4,1853.0 1467.9,1809.8 1488.5,1838.7 1510.0,1819.0 1520.5,1807.7 1567.5,1735.1 1587.8,1680.8 1603.5,1561.3 1600.7,1428.8 1577.3,703.2 1573.7,227.8 1044.7,123.8 874.0,87.6 490.6,1.0 122.8,1.0 250.6,176.5 217.8,439.2 173.9,429.7 85.5,869.2 96.4,871.5 60.0,1298.8 23.0,1549.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[973.0,585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46169731410878,43.54024339948261]}},{"type":"Feature","properties":{"resourceCoords":[1063.0,139.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46207846333196,43.54104482389752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1691.2 1.0,1730.2 1153.2,1865.4 1152.8,1810.5 1152.7,1797.7 1548.5,1842.7 1482.4,1519.2 1490.0,1519.2 1495.0,1050.0 1519.5,1049.8 1495.9,588.5 1485.6,588.6 1516.1,127.6 1135.8,132.4 141.4,107.3 94.5,99.9 87.6,577.5 95.1,1306.9 95.0,1440.1 76.7,1559.8 54.9,1613.9 6.2,1685.8 1.0,1691.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[547.0,583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.45919700156705,43.54106254675739]}},{"type":"Feature","properties":{"resourceCoords":[1121.0,1054.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.45731476419489,43.540878546357696]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.0,1548.3 94.7,1548.3 105.2,1072.4 130.1,1072.5 111.5,604.3 101.0,604.2 137.4,136.8 578.4,136.4 1405.9,139.8 1408.1,303.7 1405.4,1076.0 1400.6,1076.0 1403.2,1549.7 1372.1,1549.7 1429.7,1768.2 1585.1,1769.1 1334.5,1861.2 206.2,1863.0 195.6,1882.8 150.3,1877.2 87.0,1548.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[578.0,1074.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.455497,43.541709]}},{"type":"Feature","properties":{"resourceCoords":[578.0,607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.456127,43.54243]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p6 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"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":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.8,1252.5 1548.5,1252.6 1538.4,907.0 1534.9,595.5 1525.3,36.9 1129.0,35.9 1108.9,1.0 1061.9,1.0 810.3,310.2 821.1,317.0 867.5,345.9 133.2,1241.5 101.5,1221.4 103.0,1227.8 107.3,1256.5 71.8,1257.8 93.5,1302.8 72.4,1303.3 1.0,1564.9 1.0,1574.3 48.5,1857.0 810.8,1880.9 1077.7,1832.0 1128.5,1588.3 1128.5,1531.5 1140.4,1531.4 1140.9,1528.9 1547.5,1520.2 1552.8,1252.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.45776872800103,43.54091816991894]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.45404976836363,43.53960476066619]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.45618349247552,43.536384845150984]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.45990245211291,43.537698254403736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1520.3,32.2 605.6,33.3 605.0,88.1 39.9,62.4 29.0,73.0 23.1,1581.4 114.6,1625.1 140.7,1795.4 409.1,1848.5 586.1,1850.9 610.9,1051.0 655.0,942.0 655.0,927.0 661.0,927.0 662.2,924.2 1555.0,893.5 1555.5,927.0 1562.6,927.0 1569.6,927.0 1566.2,821.2 1508.2,821.2 1520.3,32.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1054.0,822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.471468,43.545427]}},{"type":"Feature","properties":{"resourceCoords":[1054.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.469392,43.545447]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p7 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2620.0"},{"label":"split_canvas_y","value":"3708.0"},{"label":"split_canvas_w","value":"3832.0"},{"label":"split_canvas_h","value":"3944.0"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1741.1 1612.0,1691.8 1610.1,927.0 1522.3,927.0 1513.1,959.1 1237.2,927.0 1222.4,952.3 1059.1,927.1 780.7,938.7 686.9,966.4 682.0,974.2 675.5,1162.8 667.5,1162.6 667.1,1443.9 665.9,1600.7 667.7,1774.7 669.8,1774.7 664.7,1909.3 1589.1,1912.0 1612.0,1850.3 1612.0,1741.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[956.7,1048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.452702,43.539554]}},{"type":"Feature","properties":{"resourceCoords":[1532.1,1393.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.450756,43.537501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1492.6,1.0 766.9,1.0 719.8,14.0 726.9,30.4 684.1,57.0 629.8,56.0 582.8,23.7 410.7,25.1 372.2,51.6 370.9,66.8 35.9,77.0 53.7,390.3 352.2,386.9 352.4,390.9 354.2,390.9 354.7,436.6 363.8,620.0 356.6,620.5 356.7,625.0 236.2,627.7 65.0,638.0 50.9,1729.8 3.0,1776.3 584.0,1802.6 584.6,1746.2 1524.9,1744.9 1517.5,933.3 1521.8,63.4 1532.5,63.5 1492.6,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4673290535605,43.54629207361718]}},{"type":"Feature","properties":{"resourceCoords":[1057.0,1746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.46939471293081,43.545425727922805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portage, Wisconsin | 1918 | sanborn09668_006 p9 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.93"},{"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":"2026-10-19T15:27:39Z","modified":"2026-10-19T15:27:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"336.0,1894.5 395.1,1912.0 1428.1,1912.0 1501.4,1858.8 1555.3,1860.0 1542.2,856.1 1533.0,856.0 1533.0,50.0 1491.1,32.7 736.5,43.2 462.7,524.9 458.8,525.2 458.2,526.3 446.8,526.4 80.8,562.1 31.8,812.2 101.3,1317.1 76.3,1676.3 25.1,1745.1 71.1,1743.0 216.1,1831.4 238.7,1883.0 283.8,1912.0 321.4,1912.0 333.5,1912.0 336.0,1894.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd412m:g4124m:g4124pm:g096681918:09668_1918-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1533.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.461042,43.545249]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.459283,43.546064]}}]}}]}