{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09173_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Elma, Washington | 1891 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"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__1 (tier 4, 47.00463,-123.40469 +/-100m); p1__3 (tier 4, 47.00463,-123.40469 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091731891:09173_1891-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elma, Washington | 1891 | sanborn09173_001 p1 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.90"},{"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":"2026-10-17T19:19:23Z","modified":"2026-10-17T19:19:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091731891:09173_1891-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091731891:09173_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.0,1860.3 1591.9,756.7 1545.9,88.2 1206.5,17.5 362.1,45.9 284.0,228.1 275.7,651.5 275.7,651.5 275.7,652.0 275.7,652.0 275.7,652.0 156.2,652.0 74.8,652.0 53.0,700.9 64.8,1870.2 1227.8,1902.1 1561.0,1860.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091731891:09173_1891-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1053.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.405241,47.0041247]}},{"type":"Feature","properties":{"resourceCoords":[1053.0,212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.402613,47.0043802]}}]}}]}