{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02791_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oxford Junction, Iowa | 1895 | 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":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 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, 41.98173,-90.95158 +/-100m); p1__3 (tier 4, 41.98173,-90.95158 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027911895:02791_1895-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oxford Junction, Iowa | 1895 | sanborn02791_001 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.12"},{"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":"2026-10-18T06:17:19Z","modified":"2026-10-18T06:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027911895:02791_1895-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027911895:02791_1895-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1540.5,1812.5 1504.0,1395.0 1611.5,869.3 1553.0,41.5 91.5,35.9 34.2,323.9 49.6,1202.2 100.1,1267.0 352.1,1266.7 352.6,1269.0 357.0,1269.0 357.0,1289.3 388.2,1432.2 597.1,1532.8 640.6,1849.5 914.2,1827.6 1209.4,1884.8 1540.5,1812.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027911895:02791_1895-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1379.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.951507,41.982805]}},{"type":"Feature","properties":{"resourceCoords":[1379.0,502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.952722,41.982806]}}]}}]}