{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00255_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gurdon, Arkansas | 1904 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"6"},{"label":"placed","value":"2"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 33.91959,-93.15050 +/-194m); p2__1 (tier 1, 33.91849,-93.15204 +/-267m); p2__2 (tier 1, 33.91720,-93.15490 +/-157m); p2__3 (tier 1, 33.91839,-93.14590 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0001__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 | 1904 | sanborn00255_002 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.81"},{"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":"2026-10-17T05:14:39Z","modified":"2026-10-17T05:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.6,117.6 33.8,1504.2 118.0,1716.5 97.2,1837.8 897.5,1891.7 1573.4,1842.4 1578.2,602.1 1471.5,531.4 912.9,529.2 912.0,528.0 911.0,528.0 911.0,526.5 867.2,463.7 863.8,89.1 911.0,49.4 911.0,21.3 827.5,24.0 294.4,22.5 1.0,18.6 1.0,109.9 66.6,117.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[844.0,561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1508814,33.9185871]}},{"type":"Feature","properties":{"resourceCoords":[310.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1525977,33.9184427]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gurdon, Arkansas | 1904 | sanborn00255_002 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.25"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T05:14:39Z","modified":"2026-10-17T05:14:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.9,1858.3 66.0,1805.5 103.2,1686.2 57.4,1134.6 136.2,945.8 146.6,705.5 59.8,169.2 393.4,41.5 1468.0,35.6 1589.5,240.5 1593.4,1851.9 1320.2,1779.0 1231.6,1850.8 1232.1,1823.9 1152.0,1825.0 640.7,1814.5 358.4,1805.7 356.9,1893.1 99.9,1858.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004gm:g002551904:00255_1904-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[636.0,1298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.1502938,33.920804]}},{"type":"Feature","properties":{"resourceCoords":[1152.0,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.150132,33.9193745]}}]}}]}