{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09174_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Eltopia, Washington | 1930 | 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":"1"},{"label":"placed","value":"1"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091741930:09174_1930-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eltopia, Washington | 1930 | sanborn09174_002 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.60"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T20:17:21Z","modified":"2026-10-17T20:17:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091741930:09174_1930-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091741930:09174_1930-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.7,39.5 362.4,102.3 472.4,61.8 1067.2,117.5 1295.9,42.0 1500.7,24.2 1522.5,86.2 1588.4,48.6 1566.8,1881.5 1260.2,1878.1 1102.7,1810.3 655.6,1876.9 101.5,1804.3 32.2,1730.8 34.5,103.9 86.7,39.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284em:g4284em_g091741930:09174_1930-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1282.0,1004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-119.0173053,46.4586758]}},{"type":"Feature","properties":{"resourceCoords":[202.0,1492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-119.0166834,46.4565179]}}]}}]}