{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07455_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Scappoose, Oregon | 1950 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"5"},{"label":"placed","value":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2, georef-snap 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, 45.75592,-122.87638 +/-443m); p1__3 (tier 4, 45.75592,-122.87638 +/-443m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Scappoose, Oregon | 1950 | sanborn07455_001 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"2974.4"},{"label":"split_canvas_y","value":"1494.8"},{"label":"split_canvas_w","value":"3477.6"},{"label":"split_canvas_h","value":"6157.2"}],"created":"2026-09-21T12:42:31Z","modified":"2026-09-21T12:42:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5670.0,7652.0 6322.4,7652.0 6329.2,6300.5 5431.5,2525.1 4519.1,1496.4 3963.6,1494.8 3119.7,3238.5 3121.3,4437.5 5230.8,7529.4 5670.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5348.8,4437.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8752022,45.7545704]}},{"type":"Feature","properties":{"resourceCoords":[3122.3,4437.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8778022,45.7544564]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Scappoose, Oregon | 1950 | sanborn07455_001 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-21T12:42:31Z","modified":"2026-09-21T12:42:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"874.5,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0 6452.0,7652.0 4645.2,7652.0 4654.1,7201.7 3832.0,7192.0 3831.5,7049.8 2587.6,7043.7 2583.4,7464.6 2018.9,7428.0 1342.0,7235.2 1012.1,7216.5 875.9,7209.2 874.5,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3832.0,7192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8763754,45.7567867]}},{"type":"Feature","properties":{"resourceCoords":[4848.0,4604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.8752717,45.7592144]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Scappoose, Oregon | 1950 | sanborn07455_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T12:42:31Z","modified":"2026-09-21T12:42:31Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2959.4,1739.9 2947.2,2684.7 3720.2,2688.6 3727.6,1966.5 3807.8,1670.1 3797.1,993.1 3107.8,220.3 3810.0,227.2 3802.5,676.8 5624.5,673.3 5622.4,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,241.8 1722.7,493.5 1724.7,2682.7 2190.9,2673.1 2201.1,1729.5 2959.4,1739.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294sm:g4294sm_g074551950:07455_1950-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.8802773243538,45.75680893207996]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.87187235110451,45.75719478330014]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.87122109959962,45.75019041975701]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.87962607284891,45.74980456853683]}}]}}]}