{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02759_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Ayr, Iowa | 1886 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"4"},{"label":"placed","value":"4"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0001/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 | 1886 | sanborn02759_001 p1","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"}],"created":"2026-09-21T11:54:33Z","modified":"2026-09-21T11:54:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 1613.0,1913.0 811.1,1913.0 810.5,1827.8 241.4,1830.3 242.0,1913.0 37.0,1912.5 36.1,1831.5 -0.0,1831.8 -0.0,1327.8 34.0,1327.8 32.9,823.6 26.1,-0.0 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.237527,40.714777]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.240018,40.714791]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__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 | 1886 | sanborn02759_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2331.6"},{"label":"split_canvas_h","value":"5426.4"}],"created":"2026-09-21T11:54:33Z","modified":"2026-09-21T11:54:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,84.1 -0.0,1356.6 582.9,1353.5 574.4,85.8 -0.0,84.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[309.9,1120.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.242517,40.714791]}},{"type":"Feature","properties":{"resourceCoords":[309.9,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.240018,40.714791]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__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 | 1886 | sanborn02759_001 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"2295.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4156.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T11:54:33Z","modified":"2026-09-21T11:54:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"573.8,-0.0 582.9,1353.5 749.0,1352.6 751.1,1913.0 1547.8,1913.0 1547.3,1830.5 1510.6,1830.6 1513.5,1317.0 1548.1,1317.2 1547.9,-0.0 573.8,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1548.0,285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.236267,40.715736]}},{"type":"Feature","properties":{"resourceCoords":[1034.5,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.240014,40.716686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__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 | 1886 | sanborn02759_001 p2 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5410.4"},{"label":"split_canvas_w","value":"3004.4"},{"label":"split_canvas_h","value":"2241.6"}],"created":"2026-09-21T11:54:33Z","modified":"2026-09-21T11:54:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 272.0,1913.0 751.1,1913.0 749.0,1352.6 582.9,1353.5 0.0,1356.6 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027591886:02759_1886-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[232.0,1833.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.231958,40.71575]}},{"type":"Feature","properties":{"resourceCoords":[721.1,1833.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.230779,40.715748]}}]}}]}