{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02775_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Nora Springs, Iowa | 1896 | 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":"7"},{"label":"placed","value":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 43.14284,-93.00576 +/-171m); p2__2 (tier 2, 43.14265,-93.00570 +/-100m); p2__3 (tier 2, 43.14265,-93.00570 +/-100m); p2__4 (tier 2, 43.14265,-93.00570 +/-100m); p2__5 (tier 2, 43.14265,-93.00570 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nora Springs, Iowa | 1896 | sanborn02775_001 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.75"},{"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":"2026-10-18T19:14:53Z","modified":"2026-10-18T19:14:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"283.6,1849.0 283.8,1807.5 1044.3,1805.2 1539.0,1808.0 1567.5,1798.4 1594.2,450.1 1533.5,64.3 85.1,58.1 89.5,357.9 424.8,366.5 482.1,366.5 516.7,366.5 516.7,366.6 557.0,733.1 513.4,811.2 70.7,850.0 55.2,1756.0 104.5,1835.0 283.6,1849.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1539.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.0043622,43.142734]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.0081141,43.1427089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nora Springs, Iowa | 1896 | sanborn02775_001 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.32"},{"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":"2026-10-18T19:14:53Z","modified":"2026-10-18T19:14:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"521.5,1636.3 521.5,1608.7 528.3,1608.7 528.6,1607.5 1127.5,1594.8 1174.0,1168.2 1177.5,1162.0 1270.4,1162.0 1307.5,1162.0 1473.5,1154.3 1518.8,1064.7 1572.1,802.8 1551.9,181.4 1455.1,46.2 85.0,71.2 41.3,469.2 41.0,595.0 41.0,1114.0 47.7,1912.0 91.2,1912.0 93.4,1883.0 467.8,1854.4 521.5,1636.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027751896:02775_1896-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[41.0,595.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.0043622,43.142734]}},{"type":"Feature","properties":{"resourceCoords":[41.0,1114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.0056439,43.1427306]}}]}}]}