{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07489_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Yoncalla, Oregon | 1931 | 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 2 panels"},{"label":"unplaced pages","value":"p2__1 (tier 2, 43.59853,-123.28618 +/-100m); p2__2 (tier 1, 43.59580,-123.28529 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294ym:g4294ym_g074891931:07489_1931-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Yoncalla, Oregon | 1931 | sanborn07489_002 p1","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.09"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:46:28Z","modified":"2026-10-18T08:46:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294ym:g4294ym_g074891931:07489_1931-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294ym:g4294ym_g074891931:07489_1931-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.4,77.6 1556.0,74.0 1551.0,1893.4 50.9,1857.7 52.4,77.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294ym:g4294ym_g074891931:07489_1931-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1528.0,197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.2869013,43.5985806]}},{"type":"Feature","properties":{"resourceCoords":[96.0,197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.2867803,43.597604]}}]}}]}