{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02577_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bellevue, Iowa | 1914 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.25789,-90.42925 +/-256m); p1__3 (tier 2, 42.25983,-90.42288 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellevue, Iowa | 1914 | sanborn02577_004 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2512.4"},{"label":"split_canvas_y","value":"4240.4"},{"label":"split_canvas_w","value":"3939.6"},{"label":"split_canvas_h","value":"3411.6"}],"created":"2026-09-22T09:23:06Z","modified":"2026-09-22T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1344.7,1913.0 1344.6,1837.0 1613.0,1835.5 1613.0,1060.1 628.1,1064.0 629.4,1859.0 629.4,1913.0 1344.7,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.1,1366.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4287694,42.2601783]}},{"type":"Feature","properties":{"resourceCoords":[664.1,1841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4284258,42.2593402]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellevue, Iowa | 1914 | sanborn02577_004 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-22T09:23:06Z","modified":"2026-09-22T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,495.6 275.9,494.1 256.8,0.0 1613.0,0.0 1613.0,1913.0 1231.9,1913.0 1232.1,1875.6 775.0,1878.7 775.1,1913.0 733.6,1913.0 733.7,1878.2 277.0,1880.0 276.9,1864.2 -0.0,1855.7 -0.0,495.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[277.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4250676,42.2573117]}},{"type":"Feature","properties":{"resourceCoords":[276.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4264726,42.2607233]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellevue, Iowa | 1914 | sanborn02577_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-22T09:23:06Z","modified":"2026-09-22T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 814.8,27.7 814.6,63.2 856.9,63.3 857.0,28.3 1323.2,26.7 1323.2,64.8 1613.0,65.8 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[349.0,1425.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4240169,42.2547852]}},{"type":"Feature","properties":{"resourceCoords":[349.0,28.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4250676,42.2573117]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellevue, Iowa | 1914 | sanborn02577_004 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-22T09:23:06Z","modified":"2026-09-22T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025771914:02577_1914-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4215029,42.2518711]}},{"type":"Feature","properties":{"resourceCoords":[601.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.422111,42.2534708]}}]}}]}