{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01903_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Greenfield, Illinois | 1914 | 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":"8"},{"label":"placed","value":"7"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 5, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.34344,-90.21296 +/-529m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1914 | sanborn01903_005 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2726.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4926.0"}],"created":"2026-10-19T00:31:16Z","modified":"2026-10-19T00:31:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.7,725.3 65.9,747.0 49.3,775.2 42.9,1621.9 60.5,1857.0 622.1,1908.7 1192.8,1832.5 1526.6,1887.6 1580.3,1646.5 1578.1,970.0 1612.0,949.0 1612.0,948.5 1612.0,947.2 1612.0,945.5 1606.7,939.4 1606.9,780.5 1585.3,780.5 1585.5,701.9 1562.9,702.1 1246.3,707.0 926.0,709.5 614.2,709.8 292.5,712.5 1.0,709.5 1.0,724.6 42.7,725.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[926.0,1349.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.212281,39.341059]}},{"type":"Feature","properties":{"resourceCoords":[926.0,709.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.2123061,39.3422717]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1914 | sanborn01903_005 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T00:31:16Z","modified":"2026-10-19T00:31:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1528.6,93.9 1316.1,25.9 689.2,50.8 609.2,836.1 606.0,836.1 606.0,838.0 490.9,838.6 55.4,847.8 34.9,1568.6 73.4,1853.4 575.6,1862.6 575.6,1847.2 874.9,1850.9 1204.0,1848.8 1523.0,1849.3 1524.0,1524.6 1529.1,1408.0 1523.2,816.2 1527.2,687.7 1525.3,540.3 1550.3,540.0 1528.6,93.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1524.0,546.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.21236096915047,39.34468529332902]}},{"type":"Feature","properties":{"resourceCoords":[887.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.21382928008818,39.342256279969355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1914 | sanborn01903_005 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.17"},{"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":"2424.0"},{"label":"split_canvas_h","value":"3364.4"}],"created":"2026-10-19T00:31:16Z","modified":"2026-10-19T00:31:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.6,720.5 98.5,824.5 562.9,821.6 553.5,51.1 34.5,51.4 71.3,229.8 32.6,720.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[51.0,701.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.216778,39.344669]}},{"type":"Feature","properties":{"resourceCoords":[51.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.216817,39.345971]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1914 | sanborn01903_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:31:16Z","modified":"2026-10-19T00:31:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.5,51.3 322.4,26.6 1353.1,40.1 1387.3,98.3 1537.2,116.7 1544.5,185.8 1445.2,184.6 1441.6,407.1 1444.2,570.5 1444.0,1061.6 1438.6,1214.8 1439.8,1337.5 1431.8,1515.6 1428.5,1847.8 777.5,1845.6 459.2,1847.0 137.1,1846.0 140.8,1526.8 146.8,1412.3 146.2,830.6 151.2,704.4 150.6,559.5 175.2,559.5 157.6,120.9 178.5,51.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1435.0,1206.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.20918643669914,39.343543471903004]}},{"type":"Feature","properties":{"resourceCoords":[155.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.21226189137495,39.34225553491523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1914 | sanborn01903_005 p4 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"3866.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T00:31:16Z","modified":"2026-10-19T00:31:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.4,227.2 90.1,394.0 96.0,895.3 92.5,1051.8 95.2,1177.0 89.2,1358.9 90.0,1698.0 89.3,1822.6 216.3,1881.2 684.2,1888.2 911.6,1833.0 957.2,1716.8 956.7,1714.0 945.5,1714.0 945.0,1714.0 945.0,1648.7 927.5,1551.0 916.8,1551.0 915.8,1551.0 915.3,1551.0 915.3,1483.2 855.9,1152.6 828.1,63.4 192.4,39.4 187.9,1.0 86.3,1.0 85.4,227.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.209206,39.3447412]}},{"type":"Feature","properties":{"resourceCoords":[90.0,1698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.20916,39.342334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1914 | sanborn01903_005 p4 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.27"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3660.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2791.2"},{"label":"split_canvas_h","value":"6204.0"}],"created":"2026-10-19T00:31:16Z","modified":"2026-10-19T00:31:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1531.0,1478.5 1556.9,646.9 1556.6,573.4 1450.8,108.4 1294.8,33.6 1091.5,26.7 962.6,108.0 961.7,1138.9 1015.7,1457.7 1178.4,1512.1 1531.0,1478.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.218314,39.34466]}},{"type":"Feature","properties":{"resourceCoords":[944.2,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.219888,39.344659]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenfield, Illinois | 1914 | sanborn01903_005 p4 [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":"3780.0"},{"label":"split_canvas_y","value":"6204.0"},{"label":"split_canvas_w","value":"2672.0"},{"label":"split_canvas_h","value":"1448.0"}],"created":"2026-10-19T00:31:16Z","modified":"2026-10-19T00:31:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"972.3,1882.1 1000.6,1911.9 1145.6,1912.0 1513.6,1912.0 1569.3,1894.3 1564.7,1749.5 1569.0,1630.0 945.0,1635.5 945.0,1714.0 966.5,1714.0 966.5,1872.8 971.8,1881.9 972.3,1882.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019031914:01903_1914-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[945.0,1551.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.21069382798902,39.342466319328736]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1551.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.2090549197658,39.34248509422845]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.20904176035803,39.34179840516335]}},{"type":"Feature","properties":{"resourceCoords":[945.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.21068066858125,39.34177963026364]}},{"type":"Feature","properties":{"resourceCoords":[1569.0,1630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.20916,39.342334]}}]}}]}