{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02826_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sibley, Iowa | 1913 | 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":"9"},{"label":"placed","value":"5"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.40047,-95.74829 +/-402m); p1__3 (tier 1, 43.40363,-95.74116 +/-100m); p1__4 (tier 4, 43.40047,-95.74829 +/-402m); p1__5 (tier 4, 43.40047,-95.74829 +/-402m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sibley, Iowa | 1913 | sanborn02826_006 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3759.2"},{"label":"split_canvas_w","value":"3012.8"},{"label":"split_canvas_h","value":"3892.8"}],"created":"2026-10-18T19:32:00Z","modified":"2026-10-18T19:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"428.1,1824.1 752.2,1825.7 752.2,1817.4 728.8,1817.0 715.7,1038.0 135.7,951.6 39.0,997.5 26.3,1807.9 1.0,1808.7 1.0,1822.7 428.1,1824.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[428.1,1824.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7485606,43.4026081]}},{"type":"Feature","properties":{"resourceCoords":[428.1,1072.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.748367,43.404011]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sibley, Iowa | 1913 | sanborn02826_006 p1 [6]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4856.4"},{"label":"split_canvas_y","value":"5518.4"},{"label":"split_canvas_w","value":"1595.6"},{"label":"split_canvas_h","value":"2133.6"}],"created":"2026-10-18T19:32:00Z","modified":"2026-10-18T19:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1298.0,1648.4 1241.2,1711.3 1233.2,1896.2 1587.0,1892.7 1586.4,1694.6 1564.2,1719.3 1534.7,1713.3 1519.5,1666.5 1560.9,1527.5 1513.5,1419.4 1247.6,1448.7 1238.9,1626.6 1298.0,1648.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1214.1,1379.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.74463580018433,43.39930503523334]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1379.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.74452073804589,43.40006477045111]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.74312168007945,43.399952853540356]}},{"type":"Feature","properties":{"resourceCoords":[1214.1,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.74323674221789,43.399193118322586]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,1828.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7433562,43.3998926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sibley, Iowa | 1913 | sanborn02826_006 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:32:00Z","modified":"2026-10-18T19:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.9,1855.8 42.8,1247.5 47.0,257.6 46.6,40.0 366.5,40.6 366.4,32.5 1515.8,46.6 1564.8,105.8 1524.6,131.4 1591.6,502.9 1561.5,1869.9 42.8,1891.2 34.9,1855.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.0,1250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7475093,43.4002188]}},{"type":"Feature","properties":{"resourceCoords":[1112.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7457909,43.4023963]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sibley, Iowa | 1913 | sanborn02826_006 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:32:00Z","modified":"2026-10-18T19:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1149.5,45.0 1568.6,47.2 1568.0,263.0 1558.8,1244.8 1548.1,1848.0 1025.5,1844.4 491.6,1837.2 187.9,1825.0 14.2,1833.9 24.0,1205.7 137.5,776.9 67.2,61.8 1149.5,31.4 1149.5,45.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[508.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7513408,43.4028207]}},{"type":"Feature","properties":{"resourceCoords":[188.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7521802,43.4028807]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sibley, Iowa | 1913 | sanborn02826_006 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:32:00Z","modified":"2026-10-18T19:32:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.8,46.5 513.5,55.4 1047.2,56.5 1569.8,54.1 1577.9,109.8 1585.2,1422.4 1584.6,1597.3 1559.2,1855.1 1115.3,1811.8 563.8,1886.5 79.4,1861.8 134.1,1650.4 31.2,1229.6 36.2,57.5 209.8,46.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028261913:02826_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[524.0,649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.751991,43.398266]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.749247,43.398047]}}]}}]}