{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08279_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Yankton, South-Dakota | 1912 | 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":"19"},{"label":"placed","value":"9"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 5, georef-snap 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 42.86700,-97.39352 +/-212m); p10__2 (tier 1, 42.87761,-97.39165 +/-184m); p10__3 (tier 1, 42.86762,-97.39226 +/-125m); p11__1 (tier 1, 42.87869,-97.39128 +/-100m); p11__2 (tier 1, 42.87875,-97.39271 +/-126m); p12__1 (tier 4, 42.87215,-97.39276 +/-984m); p12__2 (tier 4, 42.87215,-97.39276 +/-984m); p13__1 (tier 3, 42.87659,-97.39114 +/-542m); p13__2 (tier 3, 42.87659,-97.39114 +/-542m); p13__3 (tier 1, 42.87701,-97.39032 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0011__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 | 1912 | sanborn08279_006 p11 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1753.6"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5954.4"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0011__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1911.8 1.0,1922.5 1608.0,1920.5 1608.0,1893.0 1610.0,1892.9 1613.0,530.9 815.0,542.1 709.7,448.1 338.2,449.6 311.9,505.3 1.2,457.5 44.2,1446.8 1.0,1911.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0011__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[412.0,801.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39189797332264,42.881639115626164]}},{"type":"Feature","properties":{"resourceCoords":[1577.0,801.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.38878102238905,42.88158751889485]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0002/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 | 1912 | sanborn08279_006 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.5,1239.9 61.6,192.2 129.1,35.2 1430.3,15.6 1601.6,89.9 1606.6,86.8 1620.6,460.4 1596.2,460.4 1601.8,1153.8 1597.5,1839.2 1020.7,1837.6 409.0,1842.7 40.6,1843.8 26.5,1239.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1015.0,1153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.398578,42.8725005]}},{"type":"Feature","properties":{"resourceCoords":[414.0,1153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4001418,42.872524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0003/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 | 1912 | sanborn08279_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"16.2,1827.5 28.3,1148.1 30.8,460.6 55.0,460.9 45.5,90.4 159.0,22.3 635.9,25.1 825.8,93.5 1084.8,42.1 1583.3,84.2 1597.4,474.4 1599.3,474.5 1602.9,1159.3 1599.3,1159.3 1587.8,1840.2 1569.5,1840.2 106.7,1828.2 16.2,1827.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[693.0,1152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39530656508627,42.87245721856624]}},{"type":"Feature","properties":{"resourceCoords":[693.0,458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39529044142779,42.873792319893255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0004/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 | 1912 | sanborn08279_006 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.6,1157.5 62.3,1157.5 50.5,473.4 48.6,473.4 29.9,83.8 57.6,85.8 147.4,20.9 756.8,15.3 1575.1,71.3 1568.2,473.8 1570.8,667.0 1572.2,1152.5 1576.7,1835.7 973.0,1837.0 337.5,1836.8 55.3,1837.8 58.6,1157.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[384.0,1156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3920728,42.8724176]}},{"type":"Feature","properties":{"resourceCoords":[973.0,1837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3905624,42.8710828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0005/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 | 1912 | sanborn08279_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.3,1148.5 42.2,661.9 40.5,468.1 49.4,64.7 487.8,96.8 1259.0,21.2 1308.8,55.5 1569.3,100.5 1577.2,1895.2 1217.5,1855.0 1217.3,1843.0 640.4,1837.3 342.1,1837.5 42.6,1833.5 41.3,1148.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[641.0,1151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.38737927420885,42.87235369994026]}},{"type":"Feature","properties":{"resourceCoords":[1218.0,1151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.38586698329757,42.87233588755587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0006/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 | 1912 | sanborn08279_006 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.3,1367.8 50.8,1367.8 56.7,705.2 65.0,35.5 360.1,42.4 654.0,45.0 1222.6,56.2 1222.6,68.0 1576.7,111.0 1567.1,1885.9 1276.4,1887.7 1186.0,1819.1 542.7,1878.5 383.1,1817.2 78.7,1826.0 35.4,1771.2 46.3,1367.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1224.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3859052,42.8697128]}},{"type":"Feature","properties":{"resourceCoords":[654.0,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3874098,42.8710355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0007/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 | 1912 | sanborn08279_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.4,722.3 54.1,32.8 329.9,33.9 970.9,39.1 1579.7,42.5 1575.8,726.0 1574.4,1402.5 1569.8,1402.4 1561.4,1814.2 1083.5,1890.9 165.0,1888.7 87.6,1840.9 82.4,1405.5 67.3,1405.5 65.3,722.4 63.4,722.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[393.0,1415.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39211452110156,42.868469907819524]}},{"type":"Feature","properties":{"resourceCoords":[393.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.39206778686514,42.87110111177539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0008/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 | 1912 | sanborn08279_006 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.8,1391.8 26.7,1391.8 36.2,707.6 44.5,707.5 45.5,707.5 87.9,707.0 80.5,28.9 1540.2,31.6 1567.3,31.6 1577.9,714.5 1579.8,714.5 1583.2,1391.1 1598.2,1391.1 1604.3,1822.2 1520.4,1892.9 1008.6,1823.7 372.9,1896.3 71.9,1886.8 38.4,1818.3 40.8,1391.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[662.0,711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.395359,42.8698342]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,31.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3937746,42.8711279]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0009/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 | 1912 | sanborn08279_006 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:27Z","modified":"2026-10-20T00:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"374.9,25.2 989.0,20.0 1568.2,21.5 1627.0,21.3 1627.0,458.6 1627.0,710.1 1618.5,710.2 1612.8,1404.6 1627.0,1404.5 1627.0,1754.6 1627.0,1837.4 1391.2,1891.0 814.5,1817.8 304.7,1892.2 70.0,1875.7 47.6,1826.5 5.2,26.4 374.9,25.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184ym:g082791912:08279_1912-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[385.0,711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4002023,42.869906]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.397131,42.8698595]}}]}}]}