{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00290_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mcgehee, Arkansas | 1912 | 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":"11"},{"label":"placed","value":"3"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 33.62966,-91.39745 +/-282m); p2__1 (tier 1, 33.63148,-91.40029 +/-135m); p2__2 (tier 2, 33.62886,-91.39710 +/-100m); p2__3 (tier 2, 33.62886,-91.39710 +/-100m); p2__4 (tier 2, 33.62886,-91.39710 +/-100m); p2__7 (tier 2, 33.62886,-91.39710 +/-100m); p2__8 (tier 2, 33.62886,-91.39710 +/-100m); p2__9 (tier 2, 33.62886,-91.39710 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mcgehee, Arkansas | 1912 | sanborn00290_001 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"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":"8600.0"},{"label":"split_canvas_h","value":"10200.0"}],"created":"2026-10-19T00:39:43Z","modified":"2026-10-19T00:39:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0001","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"675.4,59.1 146.4,45.8 56.2,122.2 91.6,2496.0 765.0,2489.8 830.9,2246.6 831.0,2226.0 836.5,2226.0 837.7,2221.4 1196.2,2217.8 1302.0,2451.6 1396.8,2388.2 1889.4,2512.8 2071.1,2425.7 2020.3,2304.4 2129.8,1523.5 2117.8,198.8 1983.2,48.7 1569.3,36.0 1348.5,43.7 675.5,60.5 675.4,59.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1349.0,1529.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3956644,33.6271733]}},{"type":"Feature","properties":{"resourceCoords":[256.0,1529.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3973021,33.626529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mcgehee, Arkansas | 1912 | sanborn00290_001 p2 [5]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.35"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2880.0"},{"label":"split_canvas_y","value":"2900.8"},{"label":"split_canvas_w","value":"5720.0"},{"label":"split_canvas_h","value":"7299.2"}],"created":"2026-10-19T00:39:43Z","modified":"2026-10-19T00:39:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1119.1,2533.3 1302.3,2437.5 1282.8,2396.1 1306.4,1937.8 1307.0,1874.7 1309.0,1633.5 1309.0,1633.5 1309.0,1633.4 1322.3,1628.7 1658.1,1635.0 1659.6,1642.2 1665.3,1642.4 1665.3,1642.5 1665.3,1645.2 1665.1,1668.5 1696.3,1818.5 2084.6,1807.7 2082.0,778.4 1192.3,764.3 768.2,931.9 746.1,2419.0 879.6,2549.0 887.5,2549.0 1119.3,2522.2 1119.1,2533.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1828.0,875.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3983338,33.6330816]}},{"type":"Feature","properties":{"resourceCoords":[1123.0,875.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3993781,33.6326403]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mcgehee, Arkansas | 1912 | sanborn00290_001 p2 [6]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.28"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3757.6"},{"label":"split_canvas_w","value":"2880.0"},{"label":"split_canvas_h","value":"6442.4"}],"created":"2026-10-19T00:39:43Z","modified":"2026-10-19T00:39:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"212.5,1119.8 131.4,1148.6 46.0,1231.2 97.2,2290.4 26.0,2468.5 1.0,2466.9 1.0,2468.2 657.1,2477.1 632.2,2461.2 715.4,1805.4 668.2,1028.0 631.2,1003.7 426.5,1108.0 426.8,1097.2 212.5,1119.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002901912:00290_1912-0002__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[415.0,1587.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3977788,33.6299842]}},{"type":"Feature","properties":{"resourceCoords":[415.0,2475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3970829,33.6288707]}}]}}]}