{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07487_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Woodburn, Oregon | 1913 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294wm:g4294wm_g074871913:07487_1913-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woodburn, Oregon | 1913 | sanborn07487_006 p1 [2]","metadata":[{"label":"streets","value":"35"},{"label":"intersections","value":"66"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"4291.4"}],"created":"2026-09-22T04:40:32Z","modified":"2026-09-22T04:40:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294wm:g4294wm_g074871913:07487_1913-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294wm:g4294wm_g074871913:07487_1913-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,4291.4 6878.4,0.0 -0.0,-0.0 0.0,4290.3 2362.9,4290.7 2319.5,4072.7 2938.2,3956.8 3018.1,4290.8 6739.2,4291.4 6878.4,4291.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294wm:g4294wm_g074871913:07487_1913-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3388.0,846.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8573803,45.1483421]}},{"type":"Feature","properties":{"resourceCoords":[3062.8,1784.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8541166,45.1444112]}}]}}]}