{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01714_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Astoria, Illinois | 1900 | 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":"11"},{"label":"placed","value":"5"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 40.55561,-90.03639 +/-192m); p1__3 (tier 4, 40.22725,-90.35942 +/-442m); p1__4 (tier 4, 40.22725,-90.35942 +/-442m); p4__2 (tier 1, 40.22478,-90.35737 +/-102m); p4__3 (tier 2, 40.22597,-90.35999 +/-111m); p4__4 (tier 1, 40.22812,-90.36585 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Astoria, Illinois | 1900 | sanborn01714_002 p1 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2417.2"},{"label":"split_canvas_w","value":"1973.6"},{"label":"split_canvas_h","value":"2808.8"}],"created":"2026-10-18T23:20:18Z","modified":"2026-10-18T23:20:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.1,1287.9 99.9,1236.1 173.4,1233.0 454.6,975.1 491.0,970.9 491.1,950.3 481.4,950.5 462.4,636.1 25.6,621.1 21.0,1272.1 100.1,1287.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[155.1,967.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.3633737840825,40.22937225051792]}},{"type":"Feature","properties":{"resourceCoords":[155.1,1232.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.36338348812502,40.228872389997946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Astoria, Illinois | 1900 | sanborn01714_002 p1 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"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":"5226.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2426.0"}],"created":"2026-10-18T23:20:18Z","modified":"2026-10-18T23:20:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.2,1840.9 1458.2,1906.7 1579.0,1723.6 1568.5,1498.9 1494.2,1383.9 1312.3,1357.5 346.4,1335.4 57.4,1413.8 63.2,1597.6 56.8,1597.6 44.2,1840.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[517.0,1595.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.354953,40.226897]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,1595.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.352709,40.226872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Astoria, Illinois | 1900 | sanborn01714_002 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:20:18Z","modified":"2026-10-18T23:20:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"457.6,1867.3 458.8,1828.7 1263.0,1829.3 1411.3,1826.0 1525.3,1831.0 1528.0,1753.7 1527.0,1494.9 1530.4,1338.7 1519.4,1090.0 1522.4,832.2 1521.2,384.5 1523.4,59.5 1479.2,23.7 391.5,48.4 391.3,69.0 354.6,73.1 73.3,329.6 1.0,332.4 1.0,384.4 21.3,388.4 38.0,1809.1 88.7,1865.6 457.6,1867.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[531.0,1333.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.362235,40.226965]}},{"type":"Feature","properties":{"resourceCoords":[55.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.363376,40.2293694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Astoria, Illinois | 1900 | sanborn01714_002 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T23:20:18Z","modified":"2026-10-18T23:20:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"116.7,1769.8 115.2,1512.1 118.3,1356.7 106.8,1109.1 109.4,852.4 107.4,406.6 109.0,83.0 64.9,47.5 919.2,26.4 1275.7,106.9 1474.2,68.7 1575.1,166.8 1606.0,351.2 1581.8,1176.2 1603.2,1170.4 1608.7,1350.6 1602.3,1350.6 1589.9,1589.0 1580.2,1588.5 1548.6,1873.3 924.9,1875.0 925.0,1841.6 608.2,1848.0 261.3,1841.1 114.1,1846.8 116.7,1769.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,1349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.358562,40.226934]}},{"type":"Feature","properties":{"resourceCoords":[109.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.359742,40.229349]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Astoria, Illinois | 1900 | sanborn01714_002 p4 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.92"},{"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":"2026-10-18T23:20:18Z","modified":"2026-10-18T23:20:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.8,1912.0 127.7,1845.3 774.0,1863.2 852.8,1803.8 1019.2,1771.9 1092.7,999.9 1096.8,999.9 1564.8,1000.4 1569.0,818.9 1125.5,755.5 1114.6,755.5 1092.7,755.3 1015.0,754.7 1012.5,754.7 979.6,734.6 984.2,153.9 909.9,53.6 111.1,31.0 110.9,1.0 76.8,1.0 84.4,323.4 78.7,677.7 85.0,827.9 80.5,943.8 84.7,1094.5 88.5,1912.0 127.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017141900:01714_1900-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[539.0,321.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.358574,40.225142]}},{"type":"Feature","properties":{"resourceCoords":[539.0,823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.359796,40.225158]}}]}}]}