{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02635_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dunlap, Iowa | 1913 | 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":"4"},{"label":"placed","value":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2, georef-snap 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, 41.85358,-95.60011 +/-449m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunlap, Iowa | 1913 | sanborn02635_004 p1 [1]","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":"7652.0"}],"created":"2026-10-18T19:49:47Z","modified":"2026-10-18T19:49:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.6,1824.1 21.9,1879.4 63.2,1871.5 243.7,1887.8 672.9,1848.0 913.1,1892.1 1262.2,1837.5 1562.7,1882.7 1568.2,731.2 821.6,726.4 820.9,726.4 820.9,726.4 780.4,597.8 808.0,136.3 762.8,35.1 113.5,31.2 45.5,97.0 49.6,102.7 47.7,380.6 45.2,736.4 39.0,1157.1 34.1,1829.3 30.6,1824.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[562.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.59630457639557,41.8552230504604]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,1637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.59356418539548,41.85341030989975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunlap, Iowa | 1913 | sanborn02635_004 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:49:47Z","modified":"2026-10-18T19:49:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.2,1857.0 72.6,1893.8 72.7,1912.0 118.2,1912.0 117.3,1875.5 1550.6,1872.7 1584.7,1639.5 1588.2,1644.5 1586.9,993.2 1589.1,585.6 1588.3,240.9 1587.8,1.0 1587.8,1.0 1582.7,102.3 1109.2,112.0 1018.8,46.5 888.8,97.4 532.6,17.0 59.0,46.1 46.1,1855.5 22.2,1857.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1082.0,993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.59911,41.85432]}},{"type":"Feature","properties":{"resourceCoords":[70.0,993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.601936,41.854305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dunlap, Iowa | 1913 | sanborn02635_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.38"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:49:47Z","modified":"2026-10-18T19:49:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1310.6,43.7 867.6,37.5 722.3,117.7 680.0,58.9 683.2,97.2 181.8,43.7 134.0,394.8 68.5,506.9 37.7,1852.6 1542.0,1866.7 1583.1,1788.3 1515.6,1536.5 1572.9,114.8 1485.1,1.0 1481.2,1.0 1437.3,14.9 1427.0,1.0 1361.8,1.0 1310.6,43.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154dm:g026351913:02635_1913-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1538.0,490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.602448,41.851484]}},{"type":"Feature","properties":{"resourceCoords":[1122.0,1387.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.604815,41.850491]}}]}}]}