{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07407_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mill City, Oregon | 1921 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"11"},{"label":"placed","value":"2"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 44.73000,-122.66499 +/-14834m); p1__3 (tier 4, 44.73000,-122.66499 +/-14834m); p2 (tier 4, 44.73000,-122.66499 +/-14834m); p3 (tier 4, 44.73000,-122.66499 +/-14834m); p4__1 (tier 4, 44.73000,-122.66499 +/-14834m); p4__2 (tier 4, 44.73000,-122.66499 +/-14834m); p5 (tier 4, 44.73000,-122.66499 +/-14834m); p6 (tier 2, 44.70432,-122.85131 +/-100m); p7__2 (tier 4, 44.73000,-122.66499 +/-14834m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mill City, Oregon | 1921 | sanborn07407_001 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.02"},{"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":"5691.6"}],"created":"2026-10-20T04:36:01Z","modified":"2026-10-20T04:36:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.1,1414.0 489.6,1407.0 533.0,896.6 533.0,834.5 533.0,834.5 533.6,834.5 538.3,834.5 538.6,831.1 798.2,834.1 835.5,748.5 1072.3,834.3 1558.5,810.6 1547.1,81.1 1344.4,45.8 843.5,147.6 439.3,22.6 60.2,55.2 20.7,297.9 42.1,1414.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[21.0,584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4827832,44.7537656]}},{"type":"Feature","properties":{"resourceCoords":[419.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4817656,44.7542019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mill City, Oregon | 1921 | sanborn07407_001 p7 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.16"},{"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":"2026-10-20T04:36:01Z","modified":"2026-10-20T04:36:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1562.9,36.1 476.2,46.1 457.0,564.7 452.0,570.8 290.2,570.8 224.0,570.8 71.3,574.8 29.4,1254.4 76.5,1451.1 24.1,1780.1 107.9,1809.0 114.3,1872.1 170.7,1837.6 352.4,1895.5 1607.5,1866.2 1610.5,183.8 1562.9,36.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294mm:g4294mm_g074071921:07407_1921-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[995.0,989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8489563,44.7059921]}},{"type":"Feature","properties":{"resourceCoords":[995.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8489745,44.7072718]}}]}}]}