{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00105_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Union Springs, Alabama | 1909 | 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":"12"},{"label":"placed","value":"8"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4, georef-snap 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 32.14556,-85.71807 +/-106m); p1__2 (tier 1, 32.14351,-85.71867 +/-214m); p1__4 (tier 1, 32.14463,-85.71869 +/-107m); p7__3 (tier 1, 32.15067,-85.71552 +/-197m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.12"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2856.4"},{"label":"split_canvas_w","value":"2753.6"},{"label":"split_canvas_h","value":"1328.4"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"672.4,930.9 613.6,749.2 68.6,725.5 79.2,749.4 8.9,816.1 21.1,1032.8 595.8,1033.9 672.4,930.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,714.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71753674109013,32.1453635316722]}},{"type":"Feature","properties":{"resourceCoords":[688.4,714.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71757197503041,32.144070734025505]}},{"type":"Feature","properties":{"resourceCoords":[688.4,1046.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71830361260608,32.1440852315902]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1046.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.7182683786658,32.1453780292369]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.2,1411.8 1585.7,810.1 1530.0,743.2 1501.1,117.9 1439.4,65.8 935.6,142.1 732.0,23.1 102.3,52.5 29.9,400.7 121.3,999.6 46.0,1134.1 70.0,1788.3 1.0,1797.9 1.0,1798.1 449.1,1831.8 451.5,1804.4 983.9,1764.0 1219.3,1754.6 1486.1,1736.7 1574.7,1728.0 1563.8,1566.5 1579.2,1411.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71660939395514,32.1496614467132]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.7130316630176,32.14941520982033]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71337416291423,32.14579726816149]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71695189385177,32.14604350505436]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.0,1150.3 106.8,627.8 112.3,397.1 111.6,135.4 108.5,48.4 1555.4,40.0 1566.0,400.2 1569.0,601.1 1581.6,1211.3 1566.0,1211.8 1444.7,1612.5 1543.2,1611.0 1541.2,1714.6 1310.5,1746.5 1137.1,1854.5 1147.5,1887.2 615.8,1860.8 589.5,1800.6 141.8,1850.2 91.8,1794.9 78.0,1593.2 139.7,1154.3 113.0,1150.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1551.0,603.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.71474164461729,32.14339463274461]}},{"type":"Feature","properties":{"resourceCoords":[120.0,603.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.71468722733412,32.14614885482781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.0,1862.0 818.2,1842.9 1530.1,1688.1 1545.9,1688.7 1540.2,930.6 1550.7,930.6 1544.0,170.7 1243.4,175.0 1037.0,175.0 410.0,178.6 409.8,162.6 1.0,32.1 1.0,133.1 95.2,136.3 37.8,237.2 91.1,1820.9 652.8,1891.9 818.0,1862.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1037.0,920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.714741,32.141964]}},{"type":"Feature","properties":{"resourceCoords":[1037.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.714738,32.14336]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.0,1826.3 1532.7,1764.8 1612.0,1762.1 1559.1,1744.7 1541.3,558.2 1486.5,551.5 1478.0,85.2 798.9,39.5 353.2,95.9 229.7,68.9 208.8,1.0 117.2,1.0 88.1,364.2 83.0,508.0 85.0,805.0 83.5,1447.8 84.8,1764.2 85.8,1830.4 809.8,1822.9 809.8,1832.8 1532.0,1826.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1527.0,1132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.712005,32.140527]}},{"type":"Feature","properties":{"resourceCoords":[83.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.710544,32.143363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.9,369.4 131.8,204.0 155.8,74.3 315.0,21.2 1042.6,76.6 1114.7,31.9 1507.3,41.1 1567.2,171.1 1528.8,1072.9 1544.0,1078.1 1447.5,1080.9 1457.8,1230.0 1456.1,1434.2 1467.3,1854.3 1152.6,1859.8 471.5,1865.2 136.2,1870.1 131.9,369.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1441.0,346.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.710556,32.146163]}},{"type":"Feature","properties":{"resourceCoords":[800.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.712007,32.1433641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p7 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.61"},{"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":"3228.0"},{"label":"split_canvas_h","value":"3763.6"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"753.3,167.6 704.4,167.8 676.8,167.2 1.0,322.5 1.0,340.7 34.5,334.3 54.6,793.5 461.2,918.2 715.0,914.7 755.9,893.6 727.7,338.4 756.5,247.9 756.8,246.9 753.3,167.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007__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":[-85.71521861168212,32.14087010145942]}},{"type":"Feature","properties":{"resourceCoords":[807.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71334500590169,32.140848273806164]}},{"type":"Feature","properties":{"resourceCoords":[807.0,940.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.7133750518084,32.13899759041798]}},{"type":"Feature","properties":{"resourceCoords":[0.0,940.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.71524865758883,32.139019418071236]}},{"type":"Feature","properties":{"resourceCoords":[208.0,166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.714741,32.140538]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Springs, Alabama | 1909 | sanborn00105_005 p7 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3194.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3258.0"},{"label":"split_canvas_h","value":"3789.2"}],"created":"2026-10-18T17:56:46Z","modified":"2026-10-18T17:56:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.5,880.3 1538.5,850.1 1510.8,444.9 1574.4,91.7 1510.9,45.7 1175.5,91.6 995.3,34.1 904.0,38.6 916.7,179.5 919.0,372.8 937.8,770.1 1082.0,770.9 1447.7,788.9 1450.5,880.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974um:g3974um_g001051909:00105_1909-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.4,753.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.71058745873304,32.1433975035554]}},{"type":"Feature","properties":{"resourceCoords":[918.4,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.71053179963666,32.14477170037458]}}]}}]}