{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02891_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Atchison, Kansas | 1891 | 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":"30"},{"label":"placed","value":"19"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 10, georef-snap 9"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p16__2 (tier 1, 39.55569,-95.11753 +/-100m); p16__3 (tier 1, 39.55917,-95.12775 +/-100m); p17__1 (tier 4, 39.56327,-95.12361 +/-1504m); p17__2 (tier 4, 39.56327,-95.12361 +/-1504m); p18 (tier 4, 39.56327,-95.12361 +/-1504m); p19__1 (tier 4, 39.56327,-95.12361 +/-1504m); p19__2 (tier 4, 39.56327,-95.12361 +/-1504m); p20__1 (tier 1, 39.56617,-95.12348 +/-125m); p20__3 (tier 3, 39.56679,-95.12286 +/-622m); p7__2 (tier 1, 39.56169,-95.12393 +/-100m); p7__3 (tier 1, 39.56107,-95.12504 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p10 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4469.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3182.4"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.2,1865.8 1573.1,1189.9 1530.4,1154.3 249.1,1145.4 56.5,1429.7 148.4,1906.5 1451.1,1908.3 1572.2,1865.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,1503.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1401892,39.5609571]}},{"type":"Feature","properties":{"resourceCoords":[112.0,1503.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1425785,39.5609545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p10 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.90"},{"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":"4469.6"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1504.8,73.2 1366.3,30.2 1162.9,89.3 886.2,39.7 799.1,83.8 144.3,72.2 114.0,58.5 113.0,58.0 29.4,58.5 1.0,58.4 1.0,641.3 35.5,641.3 67.8,1116.4 97.6,1116.4 98.2,1113.2 1480.3,1070.4 1490.3,1116.4 1511.5,1116.4 1557.8,646.2 1535.4,646.1 1537.7,65.1 1504.9,65.0 1504.8,73.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[550.0,642.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1318417,39.5608836]}},{"type":"Feature","properties":{"resourceCoords":[550.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1318352,39.5619609]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p11","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.3,1863.2 1370.9,1886.2 88.7,1837.8 28.6,1492.6 40.0,88.3 1292.7,28.8 1501.9,84.9 1549.0,631.9 1612.0,660.4 1612.0,660.7 1612.0,661.3 1529.2,661.0 1500.2,661.0 1501.6,1237.8 1536.7,1237.8 1569.9,1707.8 1599.5,1707.7 1572.3,1863.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[977.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1344291,39.5619777]}},{"type":"Feature","properties":{"resourceCoords":[1494.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1331729,39.5619707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.9,676.7 1562.2,676.6 1552.3,1248.6 1539.8,1248.7 1550.0,1804.3 1509.6,1804.7 1219.3,1806.5 625.0,1812.8 334.7,1813.4 40.4,1814.9 52.6,73.5 433.8,110.5 673.9,40.3 1084.9,113.3 1405.5,41.7 1509.2,113.0 1537.3,110.2 1539.9,676.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[615.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1190236338665,39.56621467784788]}},{"type":"Feature","properties":{"resourceCoords":[1203.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.11904913992532,39.56513047392861]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p13 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.97"},{"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":"3285.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"820.4,1848.7 820.4,1614.2 766.1,1614.8 715.1,972.9 779.8,884.6 811.8,475.4 756.3,89.1 646.4,53.9 215.4,51.4 71.2,213.6 48.0,746.8 114.1,1432.3 58.0,1637.3 74.6,1819.7 169.9,1847.8 169.5,1864.7 418.2,1847.4 418.2,1863.4 820.4,1848.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[418.2,1542.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1251911,39.5684255]}},{"type":"Feature","properties":{"resourceCoords":[418.2,363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1251594,39.5706041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p13 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3285.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3166.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"891.8,1798.8 821.4,1809.0 1180.2,1846.9 1180.2,1834.8 1180.2,1544.0 1612.0,1545.1 1612.0,369.8 1609.0,369.8 1601.6,83.8 1612.0,83.4 1612.0,1.0 1584.9,1.0 1585.0,84.3 1180.2,99.2 1180.2,83.2 930.8,100.5 891.8,1798.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.2,1544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1252383,39.565172]}},{"type":"Feature","properties":{"resourceCoords":[1180.2,370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1252069,39.5673331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p14 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"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":"3176.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"517.5,79.3 142.3,81.2 149.5,148.1 58.2,1151.7 115.4,1751.2 72.5,1824.8 247.4,1866.9 661.0,1804.0 753.7,1627.4 788.1,53.6 741.5,1.0 518.0,1.0 517.5,79.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014__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":[-95.1175973204226,39.57288868924068]}},{"type":"Feature","properties":{"resourceCoords":[794.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.11761712467238,39.57141499244821]}},{"type":"Feature","properties":{"resourceCoords":[794.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.12219109959652,39.57145203165601]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.12217129534675,39.572925728448475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p14 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3176.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3276.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"901.8,1762.0 1274.6,1755.1 1274.1,1676.3 1495.2,1673.4 1561.4,1580.1 1594.9,1164.7 1458.5,593.2 1470.9,200.1 1211.0,206.2 1157.8,98.4 963.4,124.8 951.7,241.5 830.9,324.4 907.5,511.7 829.2,1168.2 901.8,1762.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.11355064953575,39.57274946793643]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.1135973120279,39.57122019850322]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.11819888432467,39.57130480580102]}},{"type":"Feature","properties":{"resourceCoords":[794.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.11815222183252,39.57283407523423]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1323.5,38.0 1525.6,100.3 1545.6,91.7 1612.0,91.3 1612.0,986.1 1612.0,996.9 1609.1,1206.2 1600.9,1768.6 1588.3,1768.4 1560.4,1840.6 1445.6,1863.5 970.4,1818.8 93.5,1865.0 36.5,1803.2 45.2,1234.0 40.5,1234.1 47.4,678.5 44.2,678.5 45.3,99.5 278.1,98.7 346.7,98.3 956.2,80.4 957.0,49.1 1323.5,38.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1031.0,669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.11916686247002,39.55727203811008]}},{"type":"Feature","properties":{"resourceCoords":[1031.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.11773644409747,39.557259093763165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p16 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.1,1804.0 819.6,1814.5 832.7,774.9 883.0,767.6 883.0,740.0 918.4,740.0 1075.0,740.0 1572.4,668.4 1600.7,148.2 1490.6,76.7 152.9,46.0 35.9,97.8 103.0,97.2 109.4,728.0 104.2,1231.7 98.1,1804.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0016__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":[-95.11754198858678,39.556357944293424]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.11760127906778,39.55336402610121]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.122174321686,39.55341862461981]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.122115031205,39.556412542812026]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.5,299.0 1503.3,137.8 1102.5,197.1 839.6,30.0 161.6,46.2 118.3,228.6 45.4,257.9 24.1,491.2 27.1,1767.2 1.0,1769.3 1.0,1795.9 54.3,1796.1 346.1,1791.0 932.0,1794.6 966.0,1794.8 1221.3,1797.0 1506.3,1803.2 1527.5,1804.8 1545.7,298.9 1569.5,299.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[935.0,780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1152585,39.5618378]}},{"type":"Feature","properties":{"resourceCoords":[349.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1163016,39.5629239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p20 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2410.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4042.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.1,1805.3 1593.8,1217.3 1595.5,930.0 1593.5,604.7 1547.4,67.5 838.2,45.6 716.0,126.4 602.5,127.5 602.5,1063.5 602.5,1374.8 602.5,1714.4 602.5,1803.3 1044.3,1805.0 1595.1,1805.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1044.3,1217.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1230842,39.5662451]}},{"type":"Feature","properties":{"resourceCoords":[1044.3,1805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1230983,39.5651492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.37"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.0,108.0 1612.0,119.8 1612.0,143.6 1576.7,158.2 1543.7,674.7 1429.8,1046.3 1438.0,1184.5 1488.9,1191.4 1489.7,1315.0 1570.4,1423.5 1571.8,1634.4 1500.4,1831.2 991.7,1892.7 148.2,1891.0 148.7,1912.0 117.0,1912.0 102.1,1320.0 102.0,1295.7 102.1,1226.3 102.9,696.9 103.2,593.9 87.7,541.8 89.6,235.9 107.6,141.2 110.0,108.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1129.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1152691,39.5607615]}},{"type":"Feature","properties":{"resourceCoords":[102.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1177587,39.5586091]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1566.1,1803.4 1040.3,1863.8 684.3,1816.5 684.1,1792.2 104.9,1796.4 103.9,1243.5 101.3,684.3 119.5,653.4 103.6,92.5 136.8,92.2 390.8,91.0 674.5,93.3 728.8,96.7 823.5,113.8 1128.7,112.9 1180.5,97.0 1283.3,96.2 1576.7,94.0 1578.0,678.0 1581.2,678.0 1576.5,1238.6 1581.2,1238.5 1574.8,1812.8 1566.1,1803.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,1254.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.12049475988782,39.56185387540735]}},{"type":"Feature","properties":{"resourceCoords":[701.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1218527860232,39.56078641549075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"303.4,1798.8 76.7,1798.7 72.3,1243.1 84.9,1243.2 100.7,671.4 78.4,671.3 81.7,104.8 581.9,61.5 582.0,88.1 636.5,87.9 929.2,81.2 1516.8,81.7 1517.6,81.7 1529.0,647.1 1510.4,678.2 1508.5,1241.8 1505.0,1799.0 303.4,1798.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.120461,39.5629579]}},{"type":"Feature","properties":{"resourceCoords":[1505.0,1799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.121802,39.5618942]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.9,1815.7 89.8,614.5 91.4,347.5 93.1,58.5 983.7,66.0 1538.2,68.8 1536.3,357.8 1535.6,623.7 1532.6,1820.1 82.9,1815.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[798.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.12355964817294,39.56299287706857]}},{"type":"Feature","properties":{"resourceCoords":[100.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.12524450512065,39.56191799752722]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"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":"4447.2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.0,1100.3 89.0,1100.7 89.8,1094.8 1459.4,1031.2 1468.3,1072.8 1525.2,725.7 1550.4,726.2 1564.2,122.9 59.4,88.6 44.6,690.8 60.6,691.1 63.0,1100.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[789.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.12359681229812,39.56191533651319]}},{"type":"Feature","properties":{"resourceCoords":[1503.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.12194455103052,39.56193355294774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p8","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1280.8,51.5 1303.0,125.0 1486.8,124.3 1531.0,183.0 1502.7,491.7 1591.8,778.0 1514.5,1807.0 1180.7,1878.8 1179.2,1857.7 704.5,1810.3 704.4,1832.9 117.8,1829.9 127.0,77.0 712.5,81.0 712.5,65.5 1110.2,56.0 1110.1,30.8 1280.8,51.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[709.0,950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1273692,39.560854]}},{"type":"Feature","properties":{"resourceCoords":[127.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.1252856,39.561917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Atchison, Kansas | 1891 | sanborn02891_003 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:50:13Z","modified":"2026-10-20T02:50:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.7,1849.9 1532.7,1883.0 57.0,1864.4 20.4,510.3 66.3,91.7 323.6,92.8 1535.2,97.6 1532.7,1849.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204am:g4204am_g028911891:02891_1891-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[354.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.12732920358786,39.56409768995798]}},{"type":"Feature","properties":{"resourceCoords":[1519.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.12525771364943,39.56194662229035]}}]}}]}