{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02759_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Ayr, Iowa | 1893 | 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__1 (tier 4, 40.71517,-94.23728 +/-499m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001__2/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 | 1893 | sanborn02759_002 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.76"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3266.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3186.0"},{"label":"split_canvas_h","value":"2948.4"}],"created":"2026-10-19T17:28:03Z","modified":"2026-10-19T17:28:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"831.3,731.5 1607.5,729.7 1511.0,589.4 1480.2,19.8 851.9,36.0 831.3,731.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1047.3,667.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.231958,40.71575]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,667.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.230779,40.715748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001__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 | 1893 | sanborn02759_002 p1 [3]","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":"2948.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4703.6"}],"created":"2026-10-19T17:28:03Z","modified":"2026-10-19T17:28:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1468.0,1845.0 1552.8,1837.3 1553.7,1322.5 1555.0,814.1 1522.2,814.2 1521.8,827.5 1413.6,769.7 793.4,776.8 577.0,827.3 516.0,996.5 516.0,1003.0 513.7,1003.0 512.0,1007.5 57.6,1043.5 86.3,1865.7 1468.0,1845.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1035.0,803.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.24129827223221,40.71576242326203]}},{"type":"Feature","properties":{"resourceCoords":[538.0,1817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.24252421610717,40.713865698481946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0002/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 | 1893 | sanborn02759_002 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:28:03Z","modified":"2026-10-19T17:28:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1077.0,1843.0 1077.2,1876.0 54.4,1844.5 41.0,381.1 112.1,69.3 365.4,24.8 1488.4,27.2 1561.2,92.2 1584.7,75.2 1589.9,576.0 1592.1,976.2 1586.7,1334.0 1585.0,1588.1 1587.7,1842.0 1077.0,1843.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1077.0,829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.237524,40.715734]}},{"type":"Feature","properties":{"resourceCoords":[1077.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.240015,40.715742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0003/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 | 1893 | sanborn02759_002 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:28:03Z","modified":"2026-10-19T17:28:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"563.5,1828.4 49.7,1827.9 47.9,1575.5 50.4,1323.2 57.1,967.6 56.3,570.0 53.0,72.4 130.2,17.1 1533.8,59.4 1571.0,1866.1 570.5,1866.7 571.2,1912.0 563.5,1828.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591893:02759_1893-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.237549,40.713839]}},{"type":"Feature","properties":{"resourceCoords":[1064.0,313.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.236274,40.7128882]}}]}}]}