{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01845_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Eldorado, Illinois | 1907 | 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":"16"},{"label":"placed","value":"5"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.81305,-88.43900 +/-281m); p1__3 (tier 4, 37.81305,-88.43900 +/-281m); p1__4 (tier 4, 37.81305,-88.43900 +/-281m); p1__5 (tier 4, 37.81305,-88.43900 +/-281m); p3__1 (tier 1, 37.81162,-88.44612 +/-100m); p4__2 (tier 1, 37.81290,-88.43772 +/-100m); p4__3 (tier 1, 37.81487,-88.43359 +/-100m); p5__1 (tier 1, 37.81766,-88.44038 +/-137m); p5__2 (tier 1, 37.80576,-88.43845 +/-101m); p5__4 (tier 1, 37.81553,-88.44269 +/-137m); p5__5 (tier 1, 37.81123,-88.44459 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eldorado, Illinois | 1907 | sanborn01845_003 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.90"},{"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":"2492.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T18:20:10Z","modified":"2026-10-19T18:20:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"543.5,1358.5 550.0,968.1 563.4,523.1 565.0,1.0 539.1,1.0 445.1,86.0 228.6,75.0 106.8,226.6 46.2,1049.7 88.4,1668.7 183.2,1732.5 588.8,1765.5 611.7,1491.5 611.7,1489.1 546.1,1491.1 543.5,1358.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[147.1,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.442311,37.811969]}},{"type":"Feature","properties":{"resourceCoords":[564.2,378.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.442159,37.813327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eldorado, Illinois | 1907 | sanborn01845_003 p2","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:20:10Z","modified":"2026-10-19T18:20:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.0,1313.5 73.0,775.8 47.5,775.2 58.2,766.0 79.2,63.8 191.7,21.4 585.6,67.0 1497.1,28.1 1573.4,239.0 1585.6,720.4 1612.0,736.8 1612.0,839.6 1545.3,952.9 1537.0,1061.4 1528.2,1368.2 1522.2,1732.6 1538.9,1818.8 1020.1,1800.5 32.9,1770.6 58.0,1313.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[515.0,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.441627,37.814231]}},{"type":"Feature","properties":{"resourceCoords":[1503.0,249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.440427,37.816156]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eldorado, Illinois | 1907 | sanborn01845_003 p3 [2]","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":"2026-10-19T18:20:10Z","modified":"2026-10-19T18:20:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1531.0,1508.7 1524.7,908.0 1522.7,750.6 1520.2,179.5 1525.9,128.8 1007.5,106.9 20.9,70.2 1.6,470.9 1.0,519.0 1.0,607.2 68.7,607.4 34.9,890.6 39.2,891.0 25.9,1228.7 87.8,1336.8 683.9,1365.5 783.6,1826.0 1270.9,1890.1 1531.7,1887.0 1531.0,1508.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1012.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.438396021576,37.81191102184628]}},{"type":"Feature","properties":{"resourceCoords":[1012.0,758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.43866404979444,37.81224789872022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eldorado, Illinois | 1907 | sanborn01845_003 p4 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T18:20:10Z","modified":"2026-10-19T18:20:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.6,54.9 176.7,157.8 107.9,270.0 97.6,378.4 83.2,685.2 70.3,1049.8 85.4,1136.3 79.1,1187.0 75.0,1759.0 75.0,1787.0 587.0,1777.3 584.8,1836.9 1018.3,1833.9 1015.5,1676.5 1307.5,817.8 1333.7,806.4 1346.7,764.0 1431.2,764.0 1501.5,733.4 1526.7,653.7 1420.4,87.8 232.6,89.7 178.6,54.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[408.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.4383863,37.8147741]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.437665,37.81276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eldorado, Illinois | 1907 | sanborn01845_003 p5 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.62"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3050.8"},{"label":"split_canvas_w","value":"4302.0"},{"label":"split_canvas_h","value":"4601.2"}],"created":"2026-10-19T18:20:10Z","modified":"2026-10-19T18:20:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.5,897.2 92.0,1491.0 84.0,1864.9 507.1,1869.9 594.2,1528.3 1036.0,1490.8 1031.9,827.0 603.7,824.7 606.5,765.9 365.8,767.5 100.8,769.3 99.5,897.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451907:01845_1907-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,762.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.43783622355959,37.81262333768797]}},{"type":"Feature","properties":{"resourceCoords":[1075.5,762.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.43572232663435,37.813729418112416]}},{"type":"Feature","properties":{"resourceCoords":[1075.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.43422585701644,37.811941577848245]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.43633975394168,37.810835497423795]}},{"type":"Feature","properties":{"resourceCoords":[99.0,961.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.437383,37.812416]}}]}}]}