{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00345_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Springdale, Arkansas | 1909 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"12"},{"label":"placed","value":"8"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 5, georef-snap 2, georef-street 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 36.18466,-94.13185 +/-595m); p1__5 (tier 4, 36.18466,-94.13185 +/-595m); p2__1 (tier 1, 36.18813,-94.13055 +/-236m); p2__3 (tier 1, 36.18066,-94.12526 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springdale, Arkansas | 1909 | sanborn00345_003 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.01"},{"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":"3816.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"630.1,1774.3 735.3,1772.8 896.1,1776.0 900.1,1487.9 898.6,1279.9 840.1,1272.1 817.5,1271.9 817.5,1269.1 809.9,1268.0 754.8,1089.0 678.9,516.2 783.0,176.0 722.9,95.8 640.8,98.4 425.5,302.5 131.5,361.3 77.7,478.1 115.9,927.7 167.1,926.8 182.6,926.4 190.7,963.2 170.2,1042.0 189.8,1765.8 200.8,1765.9 213.2,1766.0 224.2,1766.0 301.3,1765.9 630.3,1770.8 630.1,1774.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[896.1,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.127151,36.1849691]}},{"type":"Feature","properties":{"resourceCoords":[896.1,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1271053,36.1861166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_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":"Springdale, Arkansas | 1909 | sanborn00345_003 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3270.0"},{"label":"split_canvas_y","value":"3287.6"},{"label":"split_canvas_w","value":"1850.4"},{"label":"split_canvas_h","value":"1814.8"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1263.7,1268.6 1273.9,837.6 1232.5,881.0 1210.0,832.1 834.4,827.5 845.6,1265.0 1263.7,1268.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[817.5,821.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.13854714440916,36.187060198594374]}},{"type":"Feature","properties":{"resourceCoords":[1280.1,821.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.1374560851558,36.18703780211627]}},{"type":"Feature","properties":{"resourceCoords":[1280.1,1275.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.13748331061177,36.1861710124677]}},{"type":"Feature","properties":{"resourceCoords":[817.5,1275.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.13857436986513,36.186193408945805]}},{"type":"Feature","properties":{"resourceCoords":[864.5,1109.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1384548,36.1865093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springdale, Arkansas | 1909 | sanborn00345_003 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5092.4"},{"label":"split_canvas_y","value":"3301.2"},{"label":"split_canvas_w","value":"1359.6"},{"label":"split_canvas_h","value":"1810.8"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1330.7,1180.6 1538.1,1261.0 1572.0,1189.5 1524.9,985.3 1564.7,857.0 1308.9,834.3 1289.7,1232.6 1330.7,1180.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1273.1,825.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.13389537123622,36.18208950098787]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,825.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.13309409699538,36.182075252318114]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1278.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.13311758026866,36.181212203345325]}},{"type":"Feature","properties":{"resourceCoords":[1273.1,1278.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.1339188545095,36.18122645201508]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1333014,36.1813022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springdale, Arkansas | 1909 | sanborn00345_003 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4426.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2025.6"},{"label":"split_canvas_h","value":"5342.0"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1337.5,184.4 1106.6,251.7 1106.6,421.7 1106.6,461.0 1166.9,464.9 1149.8,1058.0 1258.5,1293.1 1397.8,1283.6 1546.3,1022.9 1523.0,890.8 1600.8,568.6 1545.7,220.9 1612.0,218.5 1612.0,214.6 1612.0,210.5 1337.3,166.4 1337.5,184.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1336.3,1084.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1313929,36.1812709]}},{"type":"Feature","properties":{"resourceCoords":[1336.3,25.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1313468,36.1833205]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springdale, Arkansas | 1909 | sanborn00345_003 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"169.2,1912.0 393.7,1848.1 393.7,1829.9 671.0,1876.1 671.0,1884.2 671.4,1884.2 991.2,1874.5 1046.8,1810.4 1405.2,1749.7 1421.4,1348.1 1448.7,1277.3 1540.3,1276.2 1569.8,811.0 1612.0,810.5 1612.0,785.7 1575.0,785.0 1554.9,784.5 1545.5,784.2 1541.1,163.4 1560.0,96.2 1553.7,64.5 1496.5,64.5 1497.5,79.5 1133.1,63.8 1000.1,63.7 1000.3,58.0 348.9,30.1 11.6,90.5 11.6,88.3 1.0,87.0 1.0,769.0 6.2,820.0 2.6,1196.3 1.0,1534.7 1.0,1912.0 169.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.1322319,36.1865612]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.128404,36.1865236]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.1284593,36.1828594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.1322872,36.182897]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springdale, Arkansas | 1909 | sanborn00345_003 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.77"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2364.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5287.2"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1570.0,1825.4 1574.2,1736.7 1571.7,1486.1 1583.8,1487.5 1550.8,658.1 128.2,623.3 28.9,802.2 49.2,1912.0 57.4,1875.3 358.5,1912.0 510.1,1912.0 802.5,1821.3 802.4,1846.2 1066.5,1912.0 1151.3,1912.0 1331.1,1912.0 1570.4,1880.7 1570.0,1825.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[800.0,1113.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1339664,36.1871091]}},{"type":"Feature","properties":{"resourceCoords":[800.0,742.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.1339478,36.1877884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springdale, Arkansas | 1909 | sanborn00345_003 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"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":"2364.8"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.8,318.8 63.4,508.4 158.7,550.8 580.8,511.4 650.1,584.1 756.8,590.1 993.6,536.5 1415.0,582.3 1539.7,544.4 1574.9,449.6 1507.3,121.7 1454.8,83.2 221.1,57.8 228.6,305.6 90.3,308.9 1.0,311.1 1.0,314.3 41.8,318.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,300.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.12626425150454,36.18492485609127]}},{"type":"Feature","properties":{"resourceCoords":[220.0,300.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.12717020415488,36.18498073188694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springdale, Arkansas | 1909 | sanborn00345_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:14:39Z","modified":"2026-10-19T00:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1516.0,1616.2 1515.5,1489.6 1515.2,1440.7 1515.8,886.6 1517.9,503.1 1511.3,441.4 1509.6,1.0 1504.8,1.0 1505.0,86.5 1505.0,140.3 1271.7,169.4 1013.8,167.9 756.7,102.2 757.0,78.0 471.4,164.7 323.8,163.8 30.5,126.3 22.1,162.8 31.1,896.2 104.2,974.0 107.0,1153.4 31.7,1377.2 39.6,1872.5 1511.7,1884.7 1568.2,1826.3 1612.0,1829.2 1612.0,1616.8 1516.0,1616.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003451909:00345_1909-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.13415022530083,36.18428043022787]}},{"type":"Feature","properties":{"resourceCoords":[1106.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.13325085570825,36.18244193106089]}}]}}]}