{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08279_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Yankton, South-Dakota | 1916 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"20"},{"label":"placed","value":"10"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 5, georef 4, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 42.86854,-97.39337 +/-218m); p10__2 (tier 1, 42.86833,-97.39197 +/-202m); p11__1 (tier 1, 42.87778,-97.39639 +/-100m); p11__2 (tier 1, 42.87978,-97.38848 +/-124m); p12__1 (tier 4, 42.87290,-97.39349 +/-963m); p12__2 (tier 4, 42.87290,-97.39349 +/-963m); p13__1 (tier 1, 42.88046,-97.39313 +/-100m); p13__2 (tier 1, 42.87852,-97.39392 +/-228m); p13__3 (tier 1, 42.87900,-97.39623 +/-169m); p13__4 (tier 1, 42.87705,-97.39121 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0010__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p10 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.16"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4008.4"},{"label":"split_canvas_y","value":"4532.0"},{"label":"split_canvas_w","value":"2503.6"},{"label":"split_canvas_h","value":"3176.0"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0010__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1107.0,1258.8 1056.2,1176.0 1028.2,1890.1 1583.8,1887.1 1577.8,1640.7 1453.2,1549.5 1552.4,1512.1 1544.5,1452.7 1603.2,1420.7 1552.5,1163.5 1107.0,1258.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0010__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1002.1,1133.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.40037236560964,42.879493022578494]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1133.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.39958460458068,42.87944432429966]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.39966830510073,42.8787069766738]}},{"type":"Feature","properties":{"resourceCoords":[1002.1,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.40045606612969,42.87875567495263]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0011__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p11 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.42"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1739.6"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5968.4"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0011__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1618.0,532.5 805.2,539.4 708.0,447.0 247.2,445.1 45.3,497.5 1.0,1888.9 1.0,1920.6 1605.5,1920.8 1618.0,532.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0011__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[402.0,1382.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3919346692731,42.880948690500595]}},{"type":"Feature","properties":{"resourceCoords":[402.0,796.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39189460745803,42.88211550679459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.5,1667.1 85.6,43.0 1293.8,21.3 1596.2,92.8 1593.7,476.1 1597.4,1164.9 1591.5,1845.7 1018.5,1842.8 410.8,1846.3 43.4,1846.5 37.5,1667.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[426.0,1158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4001195000024,42.87252973474694]}},{"type":"Feature","properties":{"resourceCoords":[426.0,466.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.40008696197394,42.87385816323886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.9,1824.7 46.7,1155.3 45.1,478.1 48.7,101.3 152.2,24.1 1513.3,31.4 1569.3,85.8 1580.9,76.0 1599.7,482.3 1591.6,482.3 1601.5,1157.0 1605.0,1157.0 1592.0,1827.9 1569.2,1827.8 128.0,1824.9 38.9,1824.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[694.0,1156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3953268,42.8724559]}},{"type":"Feature","properties":{"resourceCoords":[694.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3953535,42.8711476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.3,1845.5 66.2,1170.8 62.8,1170.8 48.8,492.4 56.8,492.4 35.5,83.9 99.0,29.7 751.8,15.9 1454.1,42.9 1489.8,90.8 1529.1,79.3 1546.4,492.3 1550.0,492.4 1555.2,684.0 1556.7,1165.3 1561.3,1843.0 962.7,1844.4 332.5,1844.3 57.3,1845.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[970.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39050545188923,42.87239196853393]}},{"type":"Feature","properties":{"resourceCoords":[970.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39054381688129,42.87105421874247]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.3,1170.3 72.8,689.9 67.7,498.7 64.0,498.7 46.8,86.5 186.8,45.6 1323.3,21.8 1483.3,46.2 1540.5,128.2 1574.8,113.6 1598.1,1876.3 1238.7,1860.8 1238.5,1850.2 669.0,1847.3 374.6,1849.0 78.9,1846.5 74.3,1170.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[659.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.38739863950408,42.87234985627993]}},{"type":"Feature","properties":{"resourceCoords":[1228.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.38588805505394,42.87232662884975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.4,1377.1 53.9,1377.1 53.9,715.7 56.0,47.3 350.7,51.4 644.0,51.5 1211.6,57.5 1211.8,68.1 1569.8,85.6 1583.2,1872.5 1203.5,1892.1 1008.8,1805.2 208.7,1886.6 138.7,1825.5 69.8,1873.0 42.4,1377.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[654.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3874106,42.8697297]}},{"type":"Feature","properties":{"resourceCoords":[1219.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3859052,42.8697128]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.4,1402.4 67.5,722.4 72.2,722.5 57.9,36.2 343.2,38.5 981.0,46.5 1586.8,52.5 1580.1,732.8 1575.7,1406.0 1564.0,1405.9 1588.5,1910.8 1567.2,1835.5 970.1,1889.9 63.4,1841.6 59.4,1402.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[398.0,1404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3921194,42.8684878]}},{"type":"Feature","properties":{"resourceCoords":[398.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3920884,42.8711069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.0,1805.2 90.5,1874.0 409.5,1897.3 602.3,1818.5 1441.2,1876.2 1572.8,1826.0 1566.7,1393.3 1571.2,723.4 1575.8,723.4 1558.3,47.5 1542.2,47.4 97.2,42.7 103.5,714.1 61.6,714.5 60.6,714.5 53.5,714.5 38.8,1391.8 1.0,1391.7 1.0,1848.4 55.0,1805.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[668.0,712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39536906821893,42.86984750324821]}},{"type":"Feature","properties":{"resourceCoords":[1244.0,712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39383838811032,42.86983209055727]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yankton, South-Dakota | 1916 | sanborn08279_007 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:05:01Z","modified":"2026-10-20T01:05:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"396.4,36.3 1004.1,38.6 1577.1,47.1 1627.0,47.6 1627.0,729.3 1619.7,729.3 1601.1,1416.2 1561.8,1416.0 1559.3,1880.1 1552.4,1885.5 1334.6,1887.3 1151.3,1811.5 322.6,1867.7 118.4,1813.1 68.6,1736.2 28.9,33.0 396.4,36.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791916:08279_1916-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[398.0,715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4002023,42.869906]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,1416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3971737,42.8685416]}}]}}]}