{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02759_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Ayr, Iowa | 1898 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"5"},{"label":"placed","value":"4"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.71518,-94.23729 +/-492m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Ayr, Iowa | 1898 | sanborn02759_003 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"2984.0"},{"label":"split_canvas_h","value":"3214.8"}],"created":"2026-10-19T16:45:17Z","modified":"2026-10-19T16:45:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"738.0,774.7 707.4,39.4 30.2,42.8 2.6,798.1 738.0,774.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[261.0,211.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.23195,40.716693]}},{"type":"Feature","properties":{"resourceCoords":[721.0,728.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.230779,40.715748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Ayr, Iowa | 1898 | sanborn02759_003 p1 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3214.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4437.2"}],"created":"2026-10-19T16:45:17Z","modified":"2026-10-19T16:45:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1501.3,841.6 1501.1,847.7 98.5,840.7 25.7,1312.3 93.6,1819.8 213.2,1876.8 283.9,1820.8 530.4,1864.2 840.8,1823.5 1525.5,1882.8 1529.3,1338.2 1533.0,841.7 1501.3,841.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1031.0,1837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.24127,40.713831]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,841.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.240015,40.715742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Ayr, Iowa | 1898 | sanborn02759_003 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:45:17Z","modified":"2026-10-19T16:45:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1083.0,1841.0 1083.2,1873.3 199.0,1855.7 141.5,1841.5 181.3,1815.5 168.2,1788.2 98.0,1755.5 46.5,1461.4 108.9,936.9 50.2,635.6 126.7,53.6 1383.2,26.8 1586.2,87.7 1591.3,585.3 1593.5,981.9 1588.1,1336.5 1586.5,1588.3 1589.2,1840.1 1083.0,1841.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1083.0,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.237524,40.715734]}},{"type":"Feature","properties":{"resourceCoords":[1083.0,1841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.240015,40.715742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Ayr, Iowa | 1898 | sanborn02759_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:45:17Z","modified":"2026-10-19T16:45:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.4,1855.7 49.5,1602.5 49.9,1349.5 53.6,992.9 49.5,594.2 41.9,94.0 68.7,46.1 458.2,21.0 1498.2,76.6 1572.0,256.4 1564.7,1844.5 611.9,1845.9 611.4,1851.7 53.4,1855.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591898:02759_1898-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1061.0,835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.23752402453893,40.712890763014954]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.23627526999182,40.71194775104644]}}]}}]}