{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04819_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Palmyra, Missouri | 1886 | 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":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef:misscale 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.79762,-91.52312 +/-149m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmyra, Missouri | 1886 | sanborn04819_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.10"},{"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":"2026-10-18T04:26:21Z","modified":"2026-10-18T04:26:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1338.6,1869.3 1554.2,1825.7 1532.8,1122.7 1567.6,726.9 1534.3,568.2 1574.1,485.5 1574.3,172.3 1475.0,60.9 592.1,69.7 521.6,158.1 495.4,342.6 495.5,350.2 494.4,350.2 493.9,353.6 62.8,360.4 38.2,427.6 79.7,1104.6 49.5,1146.1 77.5,1294.5 43.6,1746.9 65.6,1838.9 279.7,1878.2 448.7,1719.6 458.0,1719.5 458.8,1654.7 809.9,1583.8 809.9,1573.0 1156.8,1682.3 1156.1,1722.8 1163.2,1722.9 1338.6,1869.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[809.0,345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.523033,39.800569]}},{"type":"Feature","properties":{"resourceCoords":[809.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5231072,39.796956]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palmyra, Missouri | 1886 | sanborn04819_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:26:21Z","modified":"2026-10-18T04:26:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"305.4,586.6 318.8,586.5 319.5,493.2 824.2,389.5 824.3,374.1 1324.0,529.5 1323.0,587.6 1333.2,587.8 1586.3,797.5 1579.8,798.9 1590.8,983.2 1527.0,1124.7 1600.9,1507.2 1541.1,1855.3 891.6,1882.6 70.1,1795.0 88.3,820.1 63.0,815.6 305.4,586.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164pm:g4164pm_g048191886:04819_1886-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52503853240225,39.79805456006332]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52120414088478,39.79799790483028]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52129155871265,39.79450249840953]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.52512595023012,39.79455915364257]}}]}}]}