{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02020_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Monmouth, Illinois | 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":"13"},{"label":"placed","value":"8"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4, georef-snap 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.90967,-90.64588 +/-735m); p1__2 (tier 4, 40.90967,-90.64588 +/-735m); p1__5 (tier 4, 40.90967,-90.64588 +/-735m); p4__1 (tier 4, 40.90967,-90.64588 +/-735m); p5__1 (tier 4, 40.90967,-90.64588 +/-735m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1460.0"},{"label":"split_canvas_w","value":"1830.0"},{"label":"split_canvas_h","value":"1532.0"}],"created":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.6,638.9 132.9,663.7 112.7,706.8 375.9,721.6 441.6,506.8 395.8,380.0 76.3,387.9 59.6,573.1 158.1,613.1 172.6,638.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,365.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.6416602441392,40.91557776616228]}},{"type":"Feature","properties":{"resourceCoords":[457.5,365.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64051059866996,40.91555617288763]}},{"type":"Feature","properties":{"resourceCoords":[457.5,748.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64053447588755,40.914829121151804]}},{"type":"Feature","properties":{"resourceCoords":[0.0,748.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.64168412135679,40.91485071442646]}},{"type":"Feature","properties":{"resourceCoords":[372.6,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6407431,40.9149774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p1 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.41"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2992.0"},{"label":"split_canvas_w","value":"3089.2"},{"label":"split_canvas_h","value":"1793.2"}],"created":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.3,1167.9 700.6,1156.5 736.7,1017.6 653.1,780.5 349.1,816.1 201.9,774.1 198.7,748.0 84.7,748.0 95.3,799.1 24.4,1084.0 97.3,1167.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[112.0,1111.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.648458,40.904234]}},{"type":"Feature","properties":{"resourceCoords":[581.2,1042.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6472956,40.9042181]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p1 [6]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4760.8"},{"label":"split_canvas_w","value":"3089.2"},{"label":"split_canvas_h","value":"2891.2"}],"created":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2.9,1906.7 771.3,1912.0 771.3,1909.7 749.3,1214.8 559.5,1259.2 290.9,1198.9 208.9,1220.5 1.9,1202.2 2.9,1906.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.1,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6446165,40.9083854]}},{"type":"Feature","properties":{"resourceCoords":[168.1,1324.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6446005,40.9094421]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.4,1840.2 1516.3,1486.3 1553.9,1383.2 1578.8,1339.5 1612.0,1311.7 1612.0,1212.0 1612.0,1143.2 1546.3,1038.0 1518.4,937.2 1521.3,178.0 988.1,161.7 988.6,1.0 961.4,1.0 955.5,40.3 218.1,54.2 79.5,155.2 41.0,1469.7 97.7,1869.0 1285.4,1881.8 1513.4,1840.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[990.0,733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.64695781282133,40.91302415391806]}},{"type":"Feature","properties":{"resourceCoords":[470.0,151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.64545423157462,40.914001480542645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1251.8,181.3 1407.7,157.3 1463.0,155.8 1495.2,1036.5 1521.3,1275.7 1564.5,1317.0 1509.4,1381.7 1482.8,1798.2 776.7,1749.4 567.8,1873.6 221.0,1810.3 105.5,1831.6 107.8,1476.5 145.3,1373.0 170.2,1329.0 203.5,1301.1 203.2,1132.0 137.0,1026.6 108.9,925.5 110.3,163.6 625.5,160.7 1005.4,153.4 1006.4,136.4 1251.8,181.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[622.0,1219.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.64827201060106,40.911046881420084]}},{"type":"Feature","properties":{"resourceCoords":[1404.0,1219.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6483131133949,40.909550726725655]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1602.0,560.9 1612.0,456.6 1612.0,446.3 1509.7,443.9 1510.1,112.2 1444.7,84.7 232.3,44.4 139.5,89.6 55.8,228.3 69.3,538.1 121.2,609.2 683.5,673.0 711.6,673.0 711.6,676.2 713.9,676.5 746.7,1223.9 716.7,1334.1 717.5,1436.0 689.0,1436.0 679.6,1470.4 699.9,1758.5 774.0,1857.9 1494.2,1814.5 1561.5,1575.1 1488.3,1165.5 1512.2,566.5 1602.0,560.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[205.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.64715608070738,40.90756046286268]}},{"type":"Feature","properties":{"resourceCoords":[1456.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.64721902041248,40.905220285258586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p5 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.65"},{"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":"5805.2"}],"created":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.9,1347.8 1563.5,59.0 1197.8,13.6 551.2,58.3 473.5,126.7 459.7,768.2 455.0,768.3 455.0,768.9 455.0,769.0 430.4,769.2 125.2,780.0 55.0,855.3 52.7,1409.0 357.1,1448.8 432.6,1448.2 1561.2,1435.8 1579.9,1347.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[228.0,1216.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6457029,40.9075478]}},{"type":"Feature","properties":{"resourceCoords":[1516.0,1336.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.6461086,40.9051699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Monmouth, Illinois | 1892 | sanborn02020_002 p5 [3]","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":"5759.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"1892.4"}],"created":"2026-10-19T18:31:27Z","modified":"2026-10-19T18:31:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"710.4,1863.7 1229.3,1862.5 1612.0,1856.4 1612.0,1839.1 1546.6,1827.0 1512.5,1501.5 269.2,1473.7 164.1,1553.5 144.8,1683.4 172.2,1683.5 171.5,1846.6 710.4,1863.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020201892:02020_1892-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[165.0,1849.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.64551230808661,40.91301947592454]}},{"type":"Feature","properties":{"resourceCoords":[1236.0,1839.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.64553446272443,40.91098467486182]}}]}}]}