{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09129_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cathlamet, Washington | 1914 | 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":"p1__2 (tier 4, 46.20437,-123.38343 +/-100m); p2 (tier 2, 46.20271,-123.38383 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091291914:09129_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cathlamet, Washington | 1914 | sanborn09129_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.40"},{"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":"2026-10-18T04:21:49Z","modified":"2026-10-18T04:21:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091291914:09129_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091291914:09129_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1489.4,63.5 36.5,49.0 39.6,1793.3 247.1,1880.9 347.6,1833.5 605.0,1890.2 1064.5,1881.2 1151.2,1856.3 1166.9,1680.6 1582.9,1680.5 1597.4,643.6 1567.2,199.4 1489.4,63.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091291914:09129_1914-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[761.0,730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3835274,46.2047918]}},{"type":"Feature","properties":{"resourceCoords":[20.0,730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3855063,46.2048401]}}]}}]}