{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02584_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brighton, 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":"5"},{"label":"placed","value":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__3 (tier 4, 41.17364,-91.82006 +/-368m); p1__4 (tier 4, 41.17364,-91.82006 +/-368m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_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":"Brighton, Iowa | 1909 | sanborn02584_003 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.19"},{"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":"2695.2"},{"label":"split_canvas_h","value":"3484.0"}],"created":"2026-10-18T14:40:30Z","modified":"2026-10-18T14:40:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"623.4,42.9 110.1,25.5 34.9,64.5 54.0,774.8 338.4,746.9 464.6,857.7 641.2,814.0 672.7,598.4 623.4,42.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[60.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.8149204,41.1730708]}},{"type":"Feature","properties":{"resourceCoords":[60.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.8161874,41.173051]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brighton, Iowa | 1909 | sanborn02584_003 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2695.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3756.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T14:40:30Z","modified":"2026-10-18T14:40:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1558.1,1862.1 1562.7,1564.6 1560.0,1068.1 1561.4,555.5 1555.6,555.5 1552.6,87.8 1494.8,28.6 1479.8,85.6 1423.0,56.4 1308.0,119.3 1122.6,95.7 1044.9,23.2 809.1,34.7 744.4,69.7 712.9,1513.3 783.1,1621.3 739.5,1685.2 780.8,1814.3 844.5,1858.0 1558.1,1862.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1058.5,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.8237947,41.1739738]}},{"type":"Feature","properties":{"resourceCoords":[1058.5,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.82381,41.1749419]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brighton, Iowa | 1909 | sanborn02584_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T14:40:30Z","modified":"2026-10-18T14:40:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.2,105.9 103.3,20.4 332.6,22.4 611.2,125.2 1486.0,61.1 1570.5,233.8 1563.6,1853.3 847.3,1818.4 502.8,1879.9 50.8,1878.8 54.4,1580.5 50.1,1082.8 49.9,569.0 44.0,568.9 39.5,100.0 45.2,105.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154bm:g025841909:02584_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,1076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.82126860506627,41.174000279877866]}},{"type":"Feature","properties":{"resourceCoords":[80.0,558.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.82247279022957,41.17496759476854]}}]}}]}