{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01845_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Eldorado, Illinois | 1911 | 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":"17"},{"label":"placed","value":"6"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 4, georef-snap 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 3, 37.80762,-88.43632 +/-995m); p1__2 (tier 1, 37.81179,-88.43704 +/-175m); p1__3 (tier 3, 37.80762,-88.43632 +/-995m); p1__4 (tier 1, 37.80992,-88.44561 +/-103m); p1__5 (tier 1, 37.80957,-88.44645 +/-110m); p1__6 (tier 3, 37.80762,-88.43632 +/-995m); p3__1 (tier 1, 37.81131,-88.44000 +/-100m); p5__2 (tier 1, 37.81224,-88.43605 +/-162m); p5__3 (tier 2, 37.81246,-88.43671 +/-100m); p6__1 (tier 1, 37.81150,-88.44297 +/-100m); p6__4 (tier 1, 37.81095,-88.44010 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eldorado, Illinois | 1911 | sanborn01845_004 p2","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:45:33Z","modified":"2026-10-19T20:45:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.8,1305.5 91.7,783.4 33.7,780.5 48.1,121.5 102.2,35.3 688.8,85.7 808.4,32.0 1482.2,25.5 1583.5,260.9 1592.0,712.6 1612.0,725.2 1612.0,857.1 1552.5,956.6 1543.7,1064.3 1533.1,1368.7 1524.8,1730.5 1540.8,1816.1 1025.9,1794.7 46.1,1759.1 73.8,1305.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[879.0,460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.441439,37.815211]}},{"type":"Feature","properties":{"resourceCoords":[769.0,-203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.4424852,37.8161441]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0003__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 | 1911 | sanborn01845_004 p3 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T20:45:33Z","modified":"2026-10-19T20:45:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.9,972.6 27.1,974.6 58.5,1323.9 271.7,1307.4 689.9,1353.6 800.0,1778.3 1573.1,1864.2 1554.0,902.1 1512.0,901.5 1510.8,746.8 1511.0,190.8 1516.8,141.5 1012.4,117.7 52.3,77.2 31.5,467.2 19.4,599.8 45.2,600.0 23.9,972.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1011.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.438386,37.811893]}},{"type":"Feature","properties":{"resourceCoords":[1011.0,607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.438855,37.812476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eldorado, Illinois | 1911 | sanborn01845_004 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:45:33Z","modified":"2026-10-19T20:45:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"274.4,104.3 362.3,48.9 732.7,38.1 1027.4,90.8 1379.5,68.2 1511.4,145.0 1578.1,482.5 1508.3,696.9 1511.9,984.8 1282.8,1338.1 1310.6,1468.7 1511.7,1599.0 1509.7,1762.2 1054.3,1743.8 945.2,1872.1 199.1,1795.0 134.7,1912.0 91.2,1912.0 91.5,1754.4 97.0,1188.1 103.4,1137.9 88.7,1052.2 102.3,691.2 117.5,387.5 127.9,280.1 188.7,181.7 190.6,50.0 274.4,104.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[424.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.4383863,37.8147741]}},{"type":"Feature","properties":{"resourceCoords":[827.0,49.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.438396,37.816162]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0005__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 | 1911 | sanborn01845_004 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"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":"3034.8"}],"created":"2026-10-19T20:45:33Z","modified":"2026-10-19T20:45:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.0,43.7 55.3,740.1 156.2,756.4 1520.3,703.1 1588.2,498.0 1569.8,251.3 1486.5,102.0 1339.2,33.6 119.0,43.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.45046322966144,37.808219195099944]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.44721988282348,37.80971355283411]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,758.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.44633608111467,37.808499303288585]}},{"type":"Feature","properties":{"resourceCoords":[0.0,758.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.44957942795263,37.80700494555442]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006__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 | 1911 | sanborn01845_004 p6 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"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":"2026-10-19T20:45:33Z","modified":"2026-10-19T20:45:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1489.3,35.1 553.2,37.4 458.2,222.2 432.5,459.4 432.5,475.6 430.7,475.7 430.6,477.3 64.0,502.3 23.1,766.5 78.6,1519.1 923.5,1548.0 924.2,1551.5 925.0,1551.5 925.0,1555.9 975.1,1822.8 1438.4,1786.2 1572.6,1861.2 1572.7,1486.2 1546.8,1487.5 1551.3,1353.8 1549.8,961.5 1554.2,514.1 1545.4,1.0 1488.3,1.0 1489.3,35.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[725.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.443177,37.811571]}},{"type":"Feature","properties":{"resourceCoords":[1141.0,1506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.4416924,37.8110779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006__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 | 1911 | sanborn01845_004 p6 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.24"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6206.0"},{"label":"split_canvas_w","value":"2228.0"},{"label":"split_canvas_h","value":"1446.0"}],"created":"2026-10-19T20:45:33Z","modified":"2026-10-19T20:45:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"542.2,1591.3 12.8,1566.8 18.2,1911.0 537.6,1911.3 489.6,1643.2 542.2,1591.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104em:g018451911:01845_1911-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1551.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.44613680423944,37.80944351401435]}},{"type":"Feature","properties":{"resourceCoords":[557.0,1551.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.44505678833043,37.810022595317925]}},{"type":"Feature","properties":{"resourceCoords":[557.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.44458375425413,37.809464145672564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.44566377016314,37.80888506436899]}}]}}]}