{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05223_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Norfolk, Nebraska | 1897 | 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":"7"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 5, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.03163,-97.41464 +/-558m); p1__2 (tier 4, 42.03163,-97.41464 +/-558m); p1__3 (tier 1, 42.03290,-97.40723 +/-216m); p7__1 (tier 4, 42.03163,-97.41464 +/-558m); p7__3 (tier 4, 42.03163,-97.41464 +/-558m); p7__4 (tier 4, 42.03163,-97.41464 +/-558m); p7__5 (tier 4, 42.03163,-97.41464 +/-558m); p7__6 (tier 4, 42.03163,-97.41464 +/-558m); p7__7 (tier 4, 42.03163,-97.41464 +/-558m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Nebraska | 1897 | sanborn05223_004 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:42Z","modified":"2026-10-19T23:44:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"699.8,1793.1 392.3,1795.8 86.9,1795.6 44.7,472.2 96.1,115.3 406.1,28.8 921.6,26.6 1279.0,29.9 1367.5,113.2 1491.1,128.0 1570.0,520.5 1510.0,1076.6 1543.8,1449.5 1490.5,1449.5 1358.0,1744.5 1358.0,1800.9 699.8,1793.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[713.0,555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4069546,42.032788]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4086344,42.0339976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Nebraska | 1897 | sanborn05223_004 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:42Z","modified":"2026-10-19T23:44:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"498.8,46.4 726.1,35.3 1070.2,46.3 1475.2,140.6 1500.3,347.4 1517.5,346.9 1516.4,652.8 1518.3,960.7 1508.7,1620.0 888.3,1617.8 160.2,1610.3 161.7,1303.8 170.3,651.7 171.3,271.7 498.8,46.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1517.0,1002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4102288,42.0327109]}},{"type":"Feature","properties":{"resourceCoords":[170.0,347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4138031,42.0339631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Nebraska | 1897 | sanborn05223_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:42Z","modified":"2026-10-19T23:44:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.3,685.1 1491.8,1296.9 1490.9,1761.4 1493.2,1878.4 1083.2,1798.6 948.2,1841.4 521.5,1778.0 230.0,1849.5 123.2,1799.9 129.7,1316.3 58.5,1216.9 36.8,1010.7 113.8,128.8 94.6,101.7 487.1,97.5 1160.8,97.5 1477.5,94.8 1487.3,685.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[849.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.41687775681204,42.032682696446415]}},{"type":"Feature","properties":{"resourceCoords":[849.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.41380281292786,42.032679576726714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Nebraska | 1897 | sanborn05223_004 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T23:44:42Z","modified":"2026-10-19T23:44:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.9,1690.5 843.8,1398.3 858.6,1386.3 1211.5,1383.2 1212.2,1434.3 1252.8,1859.4 1523.8,1879.2 1573.3,1814.8 1563.2,19.1 1051.9,20.9 739.8,24.3 421.2,23.1 107.2,29.9 119.5,621.6 126.7,1235.0 127.8,1700.7 130.6,1818.0 447.2,1878.2 732.2,1841.0 738.8,1912.0 751.0,1912.0 764.7,1912.0 761.3,1690.8 818.9,1690.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[131.0,1717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.41808720813928,42.03146026862782]}},{"type":"Feature","properties":{"resourceCoords":[1377.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.41382574112157,42.02908478448231]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Nebraska | 1897 | sanborn05223_004 p5 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.60"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3434.4"},{"label":"split_canvas_y","value":"5532.8"},{"label":"split_canvas_w","value":"1443.2"},{"label":"split_canvas_h","value":"2119.2"}],"created":"2026-10-19T23:44:42Z","modified":"2026-10-19T23:44:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"946.1,1415.4 888.6,1415.2 889.7,1636.3 863.8,1636.1 884.9,1892.5 1169.7,1901.5 1193.2,1445.3 944.1,1437.0 946.1,1415.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[858.6,1383.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.41794846078474,42.03032459442185]}},{"type":"Feature","properties":{"resourceCoords":[1219.4,1383.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.41794412718771,42.02964099511709]}},{"type":"Feature","properties":{"resourceCoords":[1219.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.41929396013859,42.02963626461273]}},{"type":"Feature","properties":{"resourceCoords":[858.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.41929829373562,42.03031986391749]}},{"type":"Feature","properties":{"resourceCoords":[888.6,1415.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4180296,42.0302675]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Nebraska | 1897 | sanborn05223_004 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:42Z","modified":"2026-10-19T23:44:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.0,1785.8 1576.2,980.1 1518.9,153.2 1404.6,73.1 556.2,123.0 305.4,41.7 301.7,1.0 245.4,1.0 107.3,308.5 107.4,367.5 107.0,1015.1 101.4,1775.3 417.9,1773.1 739.0,1779.0 1053.6,1780.2 1569.0,1785.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1369.0,381.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.410237,42.0291312]}},{"type":"Feature","properties":{"resourceCoords":[739.0,1779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4137842,42.0302903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norfolk, Nebraska | 1897 | sanborn05223_004 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"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":"3630.0"},{"label":"split_canvas_w","value":"2734.0"},{"label":"split_canvas_h","value":"1446.0"}],"created":"2026-10-19T23:44:42Z","modified":"2026-10-19T23:44:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"564.3,1218.9 647.6,1211.0 655.9,926.5 35.4,930.2 26.4,1239.2 118.8,1242.2 564.3,1218.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052231897:05223_1897-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.9,1209.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.420445,42.0326793]}},{"type":"Feature","properties":{"resourceCoords":[581.6,1209.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4192499,42.032705]}}]}}]}