{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02752_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Monticello, Iowa | 1935 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"13"},{"label":"placed","value":"9"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 6, georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 42.11778,-91.08495 +/-262m); p5__3 (tier 1, 42.23954,-91.18511 +/-100m); p7__3 (tier 1, 42.24223,-91.19675 +/-100m); p7__4 (tier 1, 42.23846,-91.18359 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"25"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"227.1,1236.7 232.9,721.9 154.0,341.8 871.5,217.6 859.6,151.1 1123.0,93.0 1395.2,37.6 1437.2,690.4 1236.8,684.4 1216.1,709.4 1189.3,1655.5 1189.2,1692.3 1187.0,1810.0 475.3,1794.7 211.9,1791.0 227.1,1236.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1123.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1899033,42.2392274]}},{"type":"Feature","properties":{"resourceCoords":[1187.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.18965,42.236079]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"35"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.7,158.8 221.4,812.7 20.1,812.4 1.0,836.8 1.0,1825.4 578.4,1820.8 578.5,1840.5 732.6,1840.3 1146.8,1516.2 1146.1,1226.4 1140.3,1181.8 1499.2,1277.0 1590.0,817.0 1567.3,816.6 1566.6,498.2 1563.2,200.6 950.9,198.1 901.6,202.6 885.5,128.5 378.6,127.2 374.2,109.0 160.7,158.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,1224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1882442,42.2373882]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.185712,42.238121]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.8,1297.8 49.7,1540.7 28.9,1633.6 75.9,1877.3 382.8,1843.0 685.0,1853.4 684.6,1872.0 696.3,1849.9 737.0,1869.5 756.1,1847.5 812.1,1848.7 819.2,1524.0 868.0,1454.3 868.0,1452.8 869.0,1452.8 873.2,1446.8 1608.6,1455.5 1611.3,652.9 1572.2,562.4 1577.0,346.0 1532.5,162.1 1534.7,61.6 1357.8,264.4 1255.7,237.7 1125.2,197.5 841.2,114.1 661.0,60.9 663.3,83.5 659.5,230.0 445.5,388.1 367.6,386.0 367.8,376.0 75.7,370.1 74.6,429.9 70.8,686.6 68.3,929.0 70.0,1000.5 69.0,1129.7 70.3,1226.0 73.6,1297.9 44.8,1297.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[364.0,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.18816222389584,42.23356161055416]}},{"type":"Feature","properties":{"resourceCoords":[364.0,697.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.18820903579702,42.235136903545225]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p4 [2]","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":"3472.0"},{"label":"split_canvas_y","value":"5811.2"},{"label":"split_canvas_w","value":"2980.0"},{"label":"split_canvas_h","value":"1840.8"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"949.4,1839.2 1246.6,1839.4 1383.7,1841.3 1489.6,1838.2 1602.8,1593.2 1592.0,1553.2 1612.0,1550.4 1612.0,1485.1 1556.5,1507.6 1544.6,1527.8 1242.6,1519.7 1242.7,1530.0 1177.0,1536.1 1078.9,1564.2 934.6,1601.9 949.4,1839.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[943.0,1834.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.18596642364089,42.23730453983707]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,1834.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.18315966890161,42.23674505132939]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"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":"3366.0"},{"label":"split_canvas_h","value":"3931.2"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.2,196.7 53.4,656.9 522.0,692.1 522.4,693.0 522.4,693.2 522.7,693.2 522.7,695.1 582.8,963.1 800.5,958.0 801.2,980.4 830.2,980.2 826.1,908.0 823.7,811.1 823.4,681.2 820.9,609.4 820.7,365.6 821.8,107.4 458.3,103.6 323.9,103.2 55.3,103.3 55.1,195.8 41.2,196.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[329.8,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.19203902782442,42.23607150478622]}},{"type":"Feature","properties":{"resourceCoords":[64.0,352.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.19331638729795,42.23516615484898]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p5 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"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":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1198.1,29.4 1201.3,53.8 992.6,38.2 889.9,70.8 843.5,605.4 845.6,968.1 841.5,971.9 841.5,980.3 832.3,980.4 790.4,1019.1 160.3,1023.6 156.5,1056.6 75.7,1092.9 30.9,1286.8 79.9,1810.9 222.8,1804.2 237.9,1698.0 549.4,1677.5 798.2,1744.5 801.4,1836.1 816.2,1795.8 999.4,1796.7 1109.1,1852.1 1248.2,1874.7 1249.4,1912.0 1262.9,1912.0 1262.5,1821.7 1524.7,1819.9 1527.3,1543.5 1525.7,1286.8 1478.3,1077.5 1413.5,782.0 1342.1,471.6 1272.1,163.9 1249.2,169.0 1198.1,29.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[420.0,1553.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.19756865661583,42.237038708233534]}},{"type":"Feature","properties":{"resourceCoords":[1262.0,168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.19341113826647,42.2421526002952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p6","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"30"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.4,574.8 62.6,722.8 86.2,722.8 86.9,1039.8 88.3,1359.8 86.7,1663.6 86.7,1684.8 451.1,1696.6 451.9,1662.8 587.0,1661.0 835.4,1661.7 835.5,1671.1 1081.3,1729.8 1080.6,1767.6 1105.0,1771.1 1402.0,1842.6 1504.5,1417.2 1612.0,1444.1 1612.0,1385.9 1570.8,1385.3 1565.7,1210.4 1414.0,1164.2 1354.6,1093.9 1393.1,910.2 1353.9,867.2 1348.8,741.4 1369.5,651.8 1420.5,659.7 1470.3,508.8 1417.0,379.5 1446.7,250.4 1485.8,244.3 1519.7,146.4 1567.1,153.5 1585.5,1.0 1209.5,1.0 1200.2,44.2 1196.9,59.6 1076.6,81.0 1076.9,99.5 1077.2,115.2 1077.6,135.9 829.6,294.6 829.6,293.4 588.2,167.5 588.0,180.4 429.0,48.5 211.7,38.2 88.5,81.6 43.4,574.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[833.0,1042.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.189403,42.241641]}},{"type":"Feature","properties":{"resourceCoords":[587.0,1661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1899033,42.2392274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p7 [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":"6428.0"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.4,1320.6 473.3,1393.7 473.6,1394.7 684.5,1185.6 679.7,1165.2 671.9,1131.5 786.0,1084.9 786.0,925.0 1155.1,925.0 1270.5,896.1 1296.2,922.5 1293.0,885.3 1530.7,884.9 1533.8,658.4 1577.7,447.3 1567.5,116.6 1509.3,30.4 558.0,76.4 100.5,125.7 74.1,155.0 35.1,551.9 51.1,730.4 11.6,904.4 36.6,1235.3 26.1,1237.0 211.1,1333.4 208.4,1320.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1898297288968,42.24896917629058]}},{"type":"Feature","properties":{"resourceCoords":[329.0,113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.19104657806615,42.24895648864104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monticello, Iowa | 1935 | sanborn02752_007 p7 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3144.0"},{"label":"split_canvas_y","value":"3700.0"},{"label":"split_canvas_w","value":"3308.0"},{"label":"split_canvas_h","value":"3952.0"}],"created":"2026-10-18T19:32:41Z","modified":"2026-10-18T19:32:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"852.1,1748.5 995.0,1750.0 1092.8,1748.8 1155.0,1759.7 1157.6,1750.1 1434.6,1833.8 1450.8,1818.1 1507.7,1811.2 1492.2,1871.8 1558.2,1880.3 1580.1,1765.5 1573.2,1679.3 1508.7,1639.5 1531.0,1424.2 1552.5,1420.7 1553.5,1129.8 1467.6,1061.3 1424.9,949.8 1320.6,985.4 1073.0,941.5 944.4,968.4 957.0,1023.9 847.9,1021.5 842.0,1448.4 842.2,1593.3 841.1,1748.2 852.1,1748.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027521935:02752_1935-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[846.0,1443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.18574841866732,42.23926859697732]}},{"type":"Feature","properties":{"resourceCoords":[846.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.18575562802681,42.24085014893896]}}]}}]}