{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05190_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gothenburg, Nebraska | 1920 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"14"},{"label":"placed","value":"6"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 5, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 40.92873,-100.16268 +/-589m); p2__1 (tier 1, 40.93625,-100.16035 +/-170m); p2__2 (tier 1, 40.93225,-100.16389 +/-226m); p2__3 (tier 1, 40.93832,-100.16179 +/-100m); p3__1 (tier 1, 40.93651,-100.16385 +/-100m); p5__2 (tier 2, 40.93050,-100.16102 +/-344m); p6 (tier 1, 40.92941,-100.15902 +/-258m); p9__2 (tier 1, 40.92752,-100.15749 +/-217m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gothenburg, Nebraska | 1920 | sanborn05190_004 p3 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.70"},{"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":"2026-10-22T12:56:09Z","modified":"2026-10-22T12:56:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"687.1,1348.3 650.8,1725.3 695.4,1873.1 1013.0,1798.7 1308.8,1879.5 1530.5,1857.0 1596.7,1709.0 1603.7,1420.8 1572.0,105.3 42.3,137.3 44.0,1231.1 627.8,1230.2 687.1,1348.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1305.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1619969,40.9330159]}},{"type":"Feature","properties":{"resourceCoords":[1305.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.162001,40.931041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gothenburg, Nebraska | 1920 | sanborn05190_004 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:56:09Z","modified":"2026-10-22T12:56:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.3,1792.2 118.8,1733.4 116.1,1192.8 57.5,1163.8 101.1,1112.5 54.8,623.1 113.1,579.0 118.1,118.7 227.3,45.1 1476.9,82.8 1558.6,1843.2 469.6,1768.2 397.0,1856.3 112.1,1865.0 120.2,1912.0 89.8,1912.0 53.3,1792.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[210.0,1158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1602804,40.9310357]}},{"type":"Feature","properties":{"resourceCoords":[210.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1602675,40.9330186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gothenburg, Nebraska | 1920 | sanborn05190_004 p5 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.51"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5788.8"},{"label":"split_canvas_w","value":"2556.0"},{"label":"split_canvas_h","value":"1863.2"}],"created":"2026-10-22T12:56:09Z","modified":"2026-10-22T12:56:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.3,1731.2 22.9,1763.1 32.7,1910.6 592.2,1906.3 508.1,1632.1 382.7,1577.9 271.2,1634.7 112.9,1582.6 106.3,1731.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1447.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.16604932575822,40.92461163259308]}},{"type":"Feature","properties":{"resourceCoords":[639.0,1447.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.16470968415038,40.924018619933015]}},{"type":"Feature","properties":{"resourceCoords":[639.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.1652821159165,40.92328054750164]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.16662175752434,40.9238735601617]}},{"type":"Feature","properties":{"resourceCoords":[589.0,1489.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1648661,40.9239985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gothenburg, Nebraska | 1920 | sanborn05190_004 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.15"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:56:09Z","modified":"2026-10-22T12:56:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13.8,1418.0 17.3,1418.6 44.4,1803.2 96.4,1868.2 402.8,1869.3 414.0,1881.7 722.2,1616.3 752.7,1617.2 988.4,1279.8 990.2,1051.7 990.6,980.5 1253.4,575.8 1276.1,576.1 1522.4,298.8 1522.8,264.8 1588.5,264.9 1505.7,29.4 1085.7,21.3 1069.5,1.0 992.7,1.0 672.6,95.6 58.7,133.3 23.5,364.7 67.9,528.0 15.5,564.6 151.2,565.5 449.4,1096.7 355.9,1096.0 13.8,1418.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[990.0,1100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1620671,40.9277244]}},{"type":"Feature","properties":{"resourceCoords":[990.0,1623.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1627335,40.9268244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gothenburg, Nebraska | 1920 | sanborn05190_004 p8","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:56:09Z","modified":"2026-10-22T12:56:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.4,1719.1 106.7,1777.6 251.8,1754.2 652.9,1845.1 948.8,1778.6 1334.5,1886.5 1548.4,1807.7 1591.0,950.5 1549.7,107.2 1501.4,51.1 1320.2,69.7 1295.9,1.0 1225.8,1.0 1225.5,36.1 964.8,331.1 940.7,330.8 663.0,761.1 662.7,836.7 661.4,1078.8 412.1,1437.4 379.8,1436.7 53.4,1719.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1613888,40.9286296]}},{"type":"Feature","properties":{"resourceCoords":[664.0,1443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.1627335,40.9268244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gothenburg, Nebraska | 1920 | sanborn05190_004 p9 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"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":"3942.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T12:56:09Z","modified":"2026-10-22T12:56:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.5,984.5 379.2,1348.0 378.0,1446.3 936.0,1138.5 937.6,995.8 934.6,991.5 921.5,61.0 86.9,42.7 36.0,54.2 93.2,425.9 35.1,647.0 94.9,696.4 43.5,984.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051901920:05190_1920-0009__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":[-100.16688460202982,40.92893856682106]}},{"type":"Feature","properties":{"resourceCoords":[985.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.16570846275648,40.93056696311898]}},{"type":"Feature","properties":{"resourceCoords":[985.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.1615560787621,40.92883077228038]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.16273221803544,40.92720237598246]}}]}}]}