{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02804_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Remsen, Iowa | 1929 | 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":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.81383,-95.97296 +/-328m); p1__3 (tier 4, 42.81383,-95.97296 +/-328m); p2__1 (tier 1, 42.80839,-95.97321 +/-100m); p2__3 (tier 1, 42.81769,-95.97069 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Remsen, Iowa | 1929 | sanborn02804_001 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"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":"2819.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2378.8"}],"created":"2026-10-18T20:12:49Z","modified":"2026-10-18T20:12:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"296.1,1270.9 553.7,1274.5 575.1,1282.0 1107.5,1289.6 1110.3,1282.2 1612.0,1287.8 1612.0,1274.2 1612.0,1253.0 1524.2,1242.1 1545.7,890.0 1448.0,795.4 820.5,725.7 125.6,762.9 66.4,1224.4 296.1,1270.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-59.0,1262.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9769068,42.8149146]}},{"type":"Feature","properties":{"resourceCoords":[1629.0,742.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9732857,42.8168518]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Remsen, Iowa | 1929 | sanborn02804_001 p2 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"22"},{"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":"2026-10-18T20:12:49Z","modified":"2026-10-18T20:12:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5.8,547.9 48.0,541.3 41.7,1839.3 560.0,1865.0 841.0,1864.4 1571.2,1860.0 1568.9,1306.9 1571.5,751.3 1570.8,81.0 1564.0,93.4 1398.8,40.1 1214.0,83.4 1225.9,115.7 761.0,281.2 761.0,289.0 267.1,463.2 267.1,463.2 244.8,463.5 5.8,547.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1063.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9733336,42.8146832]}},{"type":"Feature","properties":{"resourceCoords":[560.0,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9746955,42.8125993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Remsen, Iowa | 1929 | sanborn02804_001 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T20:12:49Z","modified":"2026-10-18T20:12:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"613.9,1864.1 51.2,1870.2 49.6,1307.8 53.0,743.0 53.1,61.4 74.1,22.8 393.0,15.9 1575.5,56.0 1607.0,852.8 1530.9,1362.0 1578.1,1875.7 613.9,1896.2 613.9,1864.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1170.0,743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9691889,42.8146184]}},{"type":"Feature","properties":{"resourceCoords":[53.0,743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9720222,42.8146627]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Remsen, Iowa | 1929 | sanborn02804_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T20:12:49Z","modified":"2026-10-18T20:12:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1018.7,55.3 1579.8,52.6 1579.6,84.7 1565.6,84.8 1585.7,1877.2 1021.8,1871.4 963.1,1821.7 385.8,1881.1 312.4,1809.9 277.2,1875.5 53.0,1864.5 49.0,1604.3 127.9,1567.0 34.8,1149.2 68.8,57.1 278.4,54.3 1018.7,55.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154rm:g028041929:02804_1929-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.97212790676356,42.81046648011755]}},{"type":"Feature","properties":{"resourceCoords":[1020.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.97210585813986,42.81152645979476]}}]}}]}