{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01926_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hillsboro, Illinois | 1906 | 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":"11"},{"label":"placed","value":"6"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 39.15786,-89.49090 +/-1079m); p1__2 (tier 1, 39.15885,-89.48929 +/-153m); p1__4 (tier 4, 39.15786,-89.49090 +/-1079m); p4__2 (tier 1, 39.15249,-89.49327 +/-100m); p4__4 (tier 1, 39.15457,-89.49093 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Illinois | 1906 | sanborn01926_004 p1 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"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":"4682.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2969.2"}],"created":"2026-10-19T18:31:55Z","modified":"2026-10-19T18:31:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.6,1393.5 59.6,1550.2 344.4,1601.8 414.3,1837.3 634.9,1895.7 1041.6,1841.2 1490.5,1865.4 1540.9,1794.5 1536.6,1353.0 1487.1,1281.4 1494.7,1266.6 700.0,1266.6 700.2,1296.8 1.0,1357.5 1.0,1386.2 60.6,1393.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[700.0,1266.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.493445,39.154897]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,1266.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4914,39.154907]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Illinois | 1906 | sanborn01926_004 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:31:55Z","modified":"2026-10-19T18:31:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1697.3 1.0,1725.4 256.6,1881.2 279.4,1881.5 318.7,1881.8 319.2,1847.5 753.8,1781.3 753.9,1793.7 1275.7,1807.8 1275.7,1809.7 1560.8,1852.9 1584.2,1807.3 1540.1,1111.8 1595.7,605.6 1550.5,25.9 80.8,40.8 19.4,1155.2 72.1,1698.7 1.0,1697.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[316.0,585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4944603,39.1629068]}},{"type":"Feature","properties":{"resourceCoords":[1276.0,1558.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.492131,39.161111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Illinois | 1906 | sanborn01926_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:31:55Z","modified":"2026-10-19T18:31:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"474.4,1884.6 39.4,1832.8 26.8,962.4 86.0,462.0 46.0,153.9 44.4,72.5 123.2,26.9 725.5,34.7 725.7,62.3 984.0,217.1 1006.9,217.2 1046.2,217.3 1046.5,182.9 1481.4,113.4 1486.7,653.1 1484.1,1017.6 1438.9,1110.2 1429.2,1152.5 1434.9,1432.6 1437.0,1848.0 1422.5,1897.2 1383.2,1871.5 1154.2,1871.8 1084.2,1854.3 1001.9,1866.6 783.5,1870.0 727.3,1829.0 636.1,1811.0 509.6,1849.9 474.6,1912.0 474.4,1884.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.49440047185145,39.15967285673506]}},{"type":"Feature","properties":{"resourceCoords":[70.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.49676292499855,39.15966870254554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Illinois | 1906 | sanborn01926_004 p4 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"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":"2026-10-19T18:31:55Z","modified":"2026-10-19T18:31:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.0,662.3 124.4,1030.7 78.5,1124.1 68.7,1166.8 73.7,1449.9 74.8,1859.8 461.2,1857.0 461.1,1860.0 904.7,1826.5 891.0,1802.7 986.5,1737.2 996.4,1194.8 1033.9,1108.5 1034.0,1099.0 1038.0,1099.0 1040.9,1092.4 1524.7,1094.7 1569.0,1014.3 1571.1,574.5 1065.5,542.8 913.0,241.6 921.7,182.6 652.5,143.2 652.5,141.2 124.1,129.4 128.0,662.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[908.0,1078.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.491509,39.1589237]}},{"type":"Feature","properties":{"resourceCoords":[388.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4927479,39.1596811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Illinois | 1906 | sanborn01926_004 p4 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.76"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4127.6"},{"label":"split_canvas_y","value":"4396.0"},{"label":"split_canvas_w","value":"2324.4"},{"label":"split_canvas_h","value":"924.4"}],"created":"2026-10-19T18:31:55Z","modified":"2026-10-19T18:31:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1051.6,1279.6 1535.5,1299.4 1551.3,1176.4 1479.8,1110.4 1161.7,1121.4 1051.6,1279.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1031.9,1099.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.47928806156088,39.15639955108446]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1099.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.4778890431258,39.156411482505206]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1330.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.47788293132531,39.15598122899706]}},{"type":"Feature","properties":{"resourceCoords":[1031.9,1330.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.47928194976039,39.15596929757631]}},{"type":"Feature","properties":{"resourceCoords":[1145.7,1289.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.479009,39.156048]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Illinois | 1906 | sanborn01926_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:31:55Z","modified":"2026-10-19T18:31:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.9,1836.0 35.7,1708.0 54.5,1616.0 96.4,1559.7 94.8,1339.1 83.2,1255.8 101.4,1185.3 103.0,954.1 129.2,914.6 79.7,899.5 70.0,899.5 69.3,513.3 72.3,513.4 41.5,69.9 106.0,33.2 1358.7,24.4 1474.6,83.9 1471.2,900.4 1502.3,900.4 1561.7,1620.0 1591.0,1620.2 1559.0,1872.5 136.3,1871.9 73.9,1836.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019261906:01926_1906-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.49571450514942,39.156630368676225]}},{"type":"Feature","properties":{"resourceCoords":[882.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.49346354361131,39.15598202192827]}}]}}]}