{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00255_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gurdon, Arkansas | 1924 | 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":"13"},{"label":"placed","value":"4"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef-snap 2, snap:0 1, georef 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 33.91323,-93.15086 +/-100m); p1__3 (tier 1, 33.91282,-93.15558 +/-179m); p1__4 (tier 1, 33.91361,-93.15418 +/-100m); p2__1 (tier 1, 33.92103,-93.15392 +/-104m); p2__2 (tier 1, 33.91940,-93.15244 +/-166m); p2__3 (tier 1, 33.91917,-93.15511 +/-100m); p5__1 (tier 1, 33.91318,-93.15362 +/-204m); p5__2 (tier 1, 33.91650,-93.15296 +/-188m); p6__2 (tier 1, 33.91803,-93.14509 +/-138m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gurdon, Arkansas | 1924 | sanborn00255_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:39:46Z","modified":"2026-10-19T17:39:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"364.9,97.4 364.9,54.2 901.1,39.7 901.6,77.2 1179.1,107.0 1178.9,29.4 1446.4,34.3 1492.1,35.2 1473.9,578.9 1476.2,579.0 1464.5,1121.6 1457.1,1121.7 1464.8,1616.2 1451.4,1607.0 1254.1,1751.4 1165.4,1723.0 1087.8,1787.0 1026.8,1735.6 593.1,1751.6 334.7,1844.7 178.5,1779.5 118.7,1459.0 254.5,1217.5 363.1,480.6 264.2,349.5 155.4,420.8 283.2,259.8 178.7,126.9 364.9,97.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.15398444822114,33.92213974556295]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.15116860981068,33.92019682916096]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.15392597149761,33.917406025321455]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.15674180990807,33.91934894172345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gurdon, Arkansas | 1924 | sanborn00255_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:39:46Z","modified":"2026-10-19T17:39:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1589.1,880.6 1571.4,875.6 1562.8,705.1 1612.0,705.7 1612.0,562.0 1551.4,493.1 1414.0,483.8 1264.3,299.0 1240.2,235.0 1413.8,94.3 1338.2,1.0 1247.3,1.0 1058.7,139.1 1009.8,158.1 823.8,160.6 292.0,149.4 68.2,142.4 46.7,690.2 49.0,690.3 34.1,1237.0 26.6,1237.1 31.5,1735.6 170.7,1834.3 444.9,1760.6 1416.7,1826.6 1565.8,1724.3 1560.9,939.9 1611.2,886.7 1589.1,880.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.0,694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.15091014445314,33.91861261211241]}},{"type":"Feature","properties":{"resourceCoords":[1325.0,1779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.15155168404708,33.91643018682164]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gurdon, Arkansas | 1924 | sanborn00255_005 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.52"},{"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":"2496.8"},{"label":"split_canvas_h","value":"6715.2"}],"created":"2026-10-19T17:39:46Z","modified":"2026-10-19T17:39:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.7,1569.6 229.7,1508.9 322.9,1382.2 565.5,1194.1 588.3,769.8 541.9,368.6 559.3,66.0 350.1,39.7 61.3,77.3 38.8,1482.3 1.0,1488.8 1.0,1489.8 51.6,1529.8 35.6,1549.8 106.5,1600.2 107.0,1599.8 114.0,1594.7 123.4,1587.8 120.7,1569.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006__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":[-93.14277428782766,33.91775605637325]}},{"type":"Feature","properties":{"resourceCoords":[624.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.14281617670034,33.91545702701678]}},{"type":"Feature","properties":{"resourceCoords":[624.2,1678.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.15021831900283,33.91555121987435]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1678.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.15017643013014,33.917850249230824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gurdon, Arkansas | 1924 | sanborn00255_005 p6 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.38"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3602.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4050.0"}],"created":"2026-10-19T17:39:46Z","modified":"2026-10-19T17:39:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1009.8,1830.2 1283.0,1830.6 1378.4,1827.4 1403.3,1817.2 1499.4,1743.9 1545.0,1743.0 1539.8,1736.9 1578.7,1651.0 1557.4,943.1 910.5,922.3 675.6,1028.3 700.6,1075.1 657.0,1155.4 661.2,1229.2 71.8,1706.8 98.4,1795.7 174.4,1828.3 216.8,1881.1 312.8,1865.2 312.5,1842.9 589.5,1833.4 590.0,1852.8 733.7,1867.2 733.0,1827.0 871.3,1828.7 1009.8,1830.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551924:00255_1924-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[733.0,1561.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1512153,33.9214181]}},{"type":"Feature","properties":{"resourceCoords":[733.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1519687,33.9206769]}}]}}]}