{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09133_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chelan, Washington | 1905 | 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":"3"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chelan, Washington | 1905 | sanborn09133_001 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:22:50Z","modified":"2026-10-18T04:22:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.0,1517.8 48.0,1817.2 100.6,1879.5 1581.4,1878.5 1612.0,306.3 1612.0,295.7 1531.2,56.2 607.5,35.3 554.7,1.0 553.1,1.0 553.0,48.0 88.5,158.8 89.0,178.6 91.0,417.0 88.8,683.9 42.7,1518.3 30.0,1517.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[91.0,417.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-120.0168491,47.8399108]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-120.0129348,47.837086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chelan, Washington | 1905 | sanborn09133_001 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.76"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2794.4"},{"label":"split_canvas_w","value":"1216.0"},{"label":"split_canvas_h","value":"4857.6"}],"created":"2026-10-18T04:22:50Z","modified":"2026-10-18T04:22:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.9,1912.0 223.9,1912.0 225.4,1912.0 266.9,1869.9 297.8,1441.8 299.2,1280.0 301.3,1026.1 282.1,775.7 230.4,721.5 66.1,715.0 58.1,894.2 174.7,899.6 251.7,1449.3 223.3,1449.5 48.6,1454.6 159.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,698.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-120.01898715581375,47.84036827363899]}},{"type":"Feature","properties":{"resourceCoords":[304.0,698.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-120.01894909380641,47.84095103284345]}},{"type":"Feature","properties":{"resourceCoords":[304.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-120.0154897006208,47.84084861248454]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-120.01552776262814,47.84026585328008]}},{"type":"Feature","properties":{"resourceCoords":[273.0,1449.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-120.0168147,47.8408283]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chelan, Washington | 1905 | sanborn09133_001 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.33"},{"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":"2026-10-18T04:22:50Z","modified":"2026-10-18T04:22:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"302.6,878.0 307.4,878.0 298.9,1462.7 390.0,1816.9 708.6,1888.5 1583.5,1873.7 1611.8,327.9 1570.3,157.4 1612.0,153.0 1612.0,140.9 801.9,129.5 543.3,138.0 312.4,149.4 121.4,162.1 93.5,163.2 189.1,700.5 304.0,701.7 303.4,777.4 302.6,878.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284cm:g4284cm_g091331905:09133_1905-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[85.0,1026.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-120.0193092,47.8409389]}},{"type":"Feature","properties":{"resourceCoords":[1482.0,103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-120.0169667,47.838084]}}]}}]}