{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02765_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Nashua, Iowa | 1909 | 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":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 42.95227,-92.53963 +/-358m); p2__2 (tier 2, 42.95242,-92.53919 +/-301m); p2__3 (tier 1, 42.94932,-92.53529 +/-100m); p3__2 (tier 1, 42.94868,-92.53904 +/-100m); p3__3 (tier 1, 42.95602,-92.54542 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nashua, Iowa | 1909 | sanborn02765_003 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3376.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4275.6"}],"created":"2026-10-18T18:02:18Z","modified":"2026-10-18T18:02:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,922.0 854.2,895.2 610.9,1062.7 88.9,1091.3 47.3,1154.0 41.3,1773.4 44.1,1864.0 535.9,1862.5 1005.7,1864.3 1497.0,1862.0 1492.9,1393.5 1483.1,933.4 1612.0,931.1 1612.0,922.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[65.0,1404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.542536,42.953504]}},{"type":"Feature","properties":{"resourceCoords":[1497.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.538746,42.952612]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nashua, Iowa | 1909 | sanborn02765_003 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"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":"2026-10-18T18:02:18Z","modified":"2026-10-18T18:02:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1438.5,156.7 1431.5,162.2 1284.8,161.8 1175.0,66.2 1043.0,51.1 734.5,182.2 331.5,49.0 148.1,48.5 103.9,107.0 138.2,906.7 350.9,951.3 367.1,982.8 372.5,982.7 372.5,993.2 445.7,1135.0 422.1,1730.1 431.8,1730.1 433.4,1866.0 918.5,1857.8 1412.2,1855.8 1404.4,1368.2 1415.2,866.3 1414.4,380.0 1432.2,380.1 1438.5,156.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[448.0,1377.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.53755024606679,42.95438784349923]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,381.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.53504073536574,42.95264986265087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nashua, Iowa | 1909 | sanborn02765_003 p2 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6472.0"},{"label":"split_canvas_w","value":"1490.0"},{"label":"split_canvas_h","value":"1180.0"}],"created":"2026-10-18T18:02:18Z","modified":"2026-10-18T18:02:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"350.2,1653.5 264.7,1652.5 277.9,1738.2 78.4,1735.8 36.6,1669.1 15.1,1668.9 12.3,1906.0 354.3,1910.1 348.0,1838.8 283.9,1838.0 350.2,1653.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0002__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1618.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.54362494990916,42.95229172649127]}},{"type":"Feature","properties":{"resourceCoords":[372.5,1618.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.54361352582565,42.95158655772693]}},{"type":"Feature","properties":{"resourceCoords":[372.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.54437668959818,42.95157995500423]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.54438811368169,42.95228512376857]}},{"type":"Feature","properties":{"resourceCoords":[314.6,1672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.543755,42.951695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nashua, Iowa | 1909 | sanborn02765_003 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.97"},{"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":"2026-10-18T18:02:18Z","modified":"2026-10-18T18:02:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"21.9,92.8 68.3,1870.8 394.3,1822.6 535.8,1872.8 656.5,1795.3 883.3,1768.0 947.9,1577.0 951.9,1575.1 951.9,1573.0 956.2,1573.0 1139.5,1485.7 1451.0,1488.5 1508.0,1484.0 1504.6,1009.3 1508.0,573.0 1500.4,99.3 1000.4,98.8 522.3,94.2 21.9,92.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1508.0,573.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.538721,42.95171]}},{"type":"Feature","properties":{"resourceCoords":[1508.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.538711,42.949975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nashua, Iowa | 1909 | sanborn02765_003 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T18:02:18Z","modified":"2026-10-18T18:02:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.4,1330.7 38.8,839.8 38.0,364.0 55.4,364.1 61.5,145.6 162.5,65.2 621.6,123.9 1009.1,103.4 1231.4,161.4 1425.3,111.7 1525.6,155.1 1482.4,226.7 1568.1,370.4 1588.9,643.2 1537.5,1073.6 1578.6,1769.7 1556.8,1863.0 1443.5,1855.6 1438.9,1797.9 958.0,1802.0 516.0,1799.2 36.1,1807.7 28.4,1330.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154nm:g027651909:02765_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[958.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.536231,42.950884]}},{"type":"Feature","properties":{"resourceCoords":[958.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.538725,42.950879]}}]}}]}