{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02051_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Newton, Illinois | 1902 | 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":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 38.98958,-88.16238 +/-340m); p1__2 (tier 1, 38.99287,-88.15094 +/-160m); p1__5 (tier 4, 38.98958,-88.16238 +/-340m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newton, Illinois | 1902 | sanborn02051_003 p1 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"1080.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6572.0"}],"created":"2026-10-19T02:49:19Z","modified":"2026-10-19T02:49:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.8,270.0 1500.3,306.5 1094.5,367.6 935.0,793.2 788.6,1003.5 739.5,1003.5 563.5,1039.5 524.3,1558.4 523.5,1558.6 523.5,1559.5 519.0,1559.5 89.8,1647.8 131.6,1776.1 358.6,1870.2 906.7,1788.7 1361.3,1863.0 1527.0,1754.2 1527.0,1729.0 1543.9,1728.2 1514.5,1160.7 1528.0,1160.7 1509.8,270.0 1495.8,270.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1527.0,1729.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.1645133,38.9887348]}},{"type":"Feature","properties":{"resourceCoords":[1287.0,1729.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.165099,38.9887316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newton, Illinois | 1902 | sanborn02051_003 p1 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.52"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1098.0"},{"label":"split_canvas_y","value":"2446.0"},{"label":"split_canvas_w","value":"2402.8"},{"label":"split_canvas_h","value":"1568.0"}],"created":"2026-10-19T02:49:19Z","modified":"2026-10-19T02:49:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"658.2,782.1 638.5,752.3 334.8,653.8 314.7,954.1 783.1,991.1 836.5,805.9 658.2,782.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[274.5,611.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.16168003297742,38.987960058766845]}},{"type":"Feature","properties":{"resourceCoords":[875.2,611.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.16021358816025,38.987982402337984]}},{"type":"Feature","properties":{"resourceCoords":[875.2,1003.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.16019478655177,38.987237225300156]}},{"type":"Feature","properties":{"resourceCoords":[274.5,1003.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.16166123136894,38.98721488172902]}},{"type":"Feature","properties":{"resourceCoords":[504.4,943.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.1611033,38.9873703]}},{"type":"Feature","properties":{"resourceCoords":[504.4,943.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.1611029,38.9873372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newton, Illinois | 1902 | sanborn02051_003 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:49:19Z","modified":"2026-10-19T02:49:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.8,1811.7 143.7,1811.0 117.5,1243.4 131.0,1243.5 117.8,352.6 103.8,352.6 76.1,118.4 133.6,69.4 1493.9,41.0 1491.1,398.9 1495.5,631.9 1474.6,728.6 1476.2,1161.2 1500.3,1287.2 1505.8,1522.8 1507.8,1844.1 1163.0,1889.0 153.9,1819.2 126.6,1836.9 126.8,1811.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[395.0,1245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.1638763,38.9898162]}},{"type":"Feature","properties":{"resourceCoords":[395.0,1801.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.163859,38.9887616]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newton, Illinois | 1902 | sanborn02051_003 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:49:19Z","modified":"2026-10-19T02:49:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1052.5,35.0 1577.1,114.7 1586.8,748.7 1514.8,1017.2 1611.2,1369.0 1553.5,1872.9 999.8,1813.8 641.5,1888.6 69.0,1843.7 72.3,1522.1 70.9,1286.2 48.9,1159.7 54.6,726.8 77.0,630.3 76.6,397.1 85.5,38.9 1052.5,35.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104nm:g020511902:02051_1902-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[642.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.1597887,38.9898749]}},{"type":"Feature","properties":{"resourceCoords":[1422.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.1578877,38.9899187]}}]}}]}