{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07439_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Portland, Oregon | 1909 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"132"},{"label":"placed","value":"110"},{"label":"unplaced","value":"22"},{"label":"fit sources","value":"georef 80, georef-snap 30"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"13 sheet(s) cut into 29 panels"},{"label":"unplaced pages","value":"p0__1 (tier 1, 45.55056,-122.67965 +/-250m); p0__2 (tier 1, 45.55238,-122.68722 +/-100m); p205 (tier 3, 45.57684,-122.73638 +/-572m); p206__2 (tier 1, 45.57603,-122.69719 +/-153m); p206__3 (tier 1, 45.57682,-122.69738 +/-126m); p215__2 (tier 1, 45.56634,-122.68149 +/-100m); p257 (tier 1, 45.54851,-122.67688 +/-254m); p265__1 (tier 2, 45.54385,-122.67793 +/-336m); p265__2 (tier 1, 45.54582,-122.67608 +/-202m); p277__2 (tier 2, 45.54094,-122.67307 +/-441m); p287__1 (tier 2, 45.53708,-122.67013 +/-971m); p305__1 (tier 3, 45.55113,-122.69339 +/-572m); p305__2 (tier 1, 45.55541,-122.69624 +/-214m); p306__1 (tier 1, 45.54001,-122.68144 +/-176m); p306__2 (tier 1, 45.54043,-122.68294 +/-178m); p306__3 (tier 2, 45.54002,-122.68242 +/-100m); p311 (tier 1, 45.53332,-122.67112 +/-252m); p312 (tier 2, 45.53126,-122.66592 +/-127m); p314__1 (tier 2, 45.53102,-122.64951 +/-933m); p314__2 (tier 1, 45.52873,-122.63869 +/-127m); p315__1 (tier 1, 45.53074,-122.65983 +/-258m); p315__2 (tier 1, 45.53156,-122.66121 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p201","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0201/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0201/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6198.4,7796.0 -0.0,7796.0 -0.0,0.0 6205.2,0.0 6198.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0201/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1144.0,7584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.7280079,45.5820905]}},{"type":"Feature","properties":{"resourceCoords":[6196.0,5812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.7246143,45.5817464]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p202","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0202/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0202/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.4,7777.4 159.2,42.9 -0.0,-0.0 5756.2,0.0 5758.9,7796.0 160.4,7777.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4392.0,2148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.7210954,45.5823243]}},{"type":"Feature","properties":{"resourceCoords":[4808.0,7596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.7224886,45.5800563]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p203","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0203/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0203/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6565.7,0.0 6562.0,7796.0 0.0,7796.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2868.0,1368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.7206362,45.5802819]}},{"type":"Feature","properties":{"resourceCoords":[692.0,2952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.7203834,45.5790863]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0204/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p204","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"27"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0204/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0204/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"278.1,2.3 6644.0,0.0 6644.0,7796.0 271.3,7796.0 278.1,2.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0204/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2056.0,4512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.7172074,45.5818057]}},{"type":"Feature","properties":{"resourceCoords":[272.0,7544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.716009,45.580459]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0206__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p206 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6644.0"},{"label":"split_canvas_h","value":"3367.6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0206__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0206/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6644.0,0.0 -0.0,-0.0 0.0,3366.4 4349.6,3367.2 6644.0,3367.6 6644.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0206__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1960.0,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6989058,45.578028]}},{"type":"Feature","properties":{"resourceCoords":[4536.0,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6972434,45.5780306]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p207 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3966.4"},{"label":"split_canvas_w","value":"6612.0"},{"label":"split_canvas_h","value":"3829.6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207/info.json","type":"ImageService2","height":7796,"width":6612},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1960.0,7796.0 2868.0,7796.0 3364.8,7796.0 3360.0,7304.3 5746.1,7270.3 5733.6,3973.4 746.8,4013.2 745.0,4184.2 191.7,4183.2 235.4,7337.4 1837.2,7318.0 1841.4,7796.0 1960.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3360.0,7304.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6593559,45.5717833]}},{"type":"Feature","properties":{"resourceCoords":[1788.0,4186.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6603745,45.573248]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p207 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6612.0"},{"label":"split_canvas_h","value":"4019.2"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207/info.json","type":"ImageService2","height":7796,"width":6612},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6131.6,3802.8 6053.3,617.1 6612.0,612.2 6612.0,0.0 -0.0,-0.0 -0.0,3924.4 6131.6,3802.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0207__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1672.0,655.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6643277,45.573291]}},{"type":"Feature","properties":{"resourceCoords":[4696.0,3831.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6623845,45.5717908]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p208","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0208/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0208/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5450.5,7282.7 -0.0,7302.1 -0.0,-0.0 6644.0,0.0 6644.0,7277.5 6156.8,7294.3 5737.4,7690.3 5450.5,7282.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0208/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65771985188383,45.5750691711769]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65347950355726,45.57503935182378]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65352913890759,45.57153188902595]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65776948723415,45.571561708379065]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p209","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0209/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0209/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,642.9 6212.2,693.7 6282.3,4706.7 6028.1,4694.6 6012.4,6579.5 6181.2,6580.7 6152.7,7796.0 -0.0,7796.0 -0.0,642.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0209/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2732.0,6936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6636568,45.5689775]}},{"type":"Feature","properties":{"resourceCoords":[3216.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6633609,45.5717926]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0210/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p210","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0210/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0210/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6067.9,1208.4 6032.8,6761.5 -0.0,6757.4 58.6,1252.1 6067.9,1208.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0210/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,6016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6647572,45.5664289]}},{"type":"Feature","properties":{"resourceCoords":[4416.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6625912,45.5689748]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0211/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p211","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0211/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0211/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.8,7511.6 168.3,6218.2 -0.0,6218.4 -0.0,4339.1 253.6,4349.1 150.3,349.0 1808.0,344.0 1808.0,534.8 1807.9,838.7 3384.3,852.9 3384.0,344.0 6479.4,331.4 6550.5,7796.0 252.0,7796.0 148.8,7511.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0211/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3384.0,344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6593559,45.5717833]}},{"type":"Feature","properties":{"resourceCoords":[1808.0,344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6603703,45.5717866]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0212/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p212","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0212/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0212/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2065.4,7796.0 267.7,7796.0 239.2,364.3 4967.7,400.4 5244.8,806.2 5660.6,419.5 6138.8,408.2 6143.2,0.0 6644.0,0.0 6644.0,7796.0 4023.4,7796.0 4030.0,6604.7 2069.4,6548.5 2065.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0212/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5244.0,808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6541071,45.5715835]}},{"type":"Feature","properties":{"resourceCoords":[6208.0,6180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6534774,45.5691377]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0213/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p213","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0213/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0213/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 112.5,0.0 103.9,864.5 209.1,1150.3 6644.0,1154.8 6644.0,7516.0 5740.9,7521.2 5742.0,7796.0 240.4,7796.0 231.9,6343.2 -0.0,6344.6 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0213/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66152077108876,45.56895004205798]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65726314368,45.568920090546364]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65731299355993,45.565397949890794]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66157062096869,45.56542790140241]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0214/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p214","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0214/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0214/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4363.4,0.0 4353.2,1201.7 6644.0,1208.3 6644.0,7796.0 3996.3,7796.0 4000.8,7357.0 2423.4,7349.3 2421.2,7571.9 558.4,7556.7 646.7,1190.9 2364.2,1195.9 2371.4,0.0 4363.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0214/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65768757809464,45.56893481364865]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65343332194512,45.56894648026535]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65341390458505,45.56542712755451]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65766816073457,45.56541546093781]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0215__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p215 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6644.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0215__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0215/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6644.0,7796.0 6644.0,0.0 2694.4,0.0 2693.6,2777.2 0.0,2784.4 -0.0,7796.0 6644.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0215__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5460.0,2884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6811934,45.5648002]}},{"type":"Feature","properties":{"resourceCoords":[5460.0,1316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.681188,45.5655121]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0216/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p216","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0216/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0216/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6644.0,0.0 6361.0,85.2 6345.9,1300.6 6644.0,1300.2 6644.0,4427.8 6309.8,4426.0 6260.7,7599.9 1612.2,7607.3 1611.4,7796.0 892.8,7796.0 966.3,0.0 6644.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0216/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6810365632857,45.56610328763959]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6767691051653,45.56611554943077]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67674869824653,45.56258509865376]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.68101615636692,45.562572836862586]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0217/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p217","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0217/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0217/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6508.3,7439.0 235.4,7532.1 246.2,4350.8 414.5,4349.7 578.9,4348.6 541.5,1214.2 401.2,1216.1 244.7,1218.2 245.2,0.0 6530.4,0.0 6508.3,7439.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0217/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3384.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6749311,45.5655357]}},{"type":"Feature","properties":{"resourceCoords":[1804.0,7508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.675983,45.5626785]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0218/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p218","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0218/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0218/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.6,7497.6 145.0,0.0 6471.5,0.0 6494.1,2073.8 6644.0,2075.0 6644.0,4873.8 6524.0,4873.3 6595.4,7796.0 1838.0,7796.0 1839.8,7500.2 40.6,7497.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0218/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2648.0,4348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6712674,45.5641233]}},{"type":"Feature","properties":{"resourceCoords":[4320.0,2056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6701889,45.5651639]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p219","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0219/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0219/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"700.5,4919.2 820.7,4918.0 781.2,2115.4 631.1,2116.3 579.3,40.1 5721.9,0.0 5771.8,7445.6 772.0,7542.7 700.5,4919.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0219/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1880.0,4908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6679951,45.56389]}},{"type":"Feature","properties":{"resourceCoords":[3544.0,7484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6669383,45.5627166]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0220/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p220","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0220/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0220/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4446.9,7796.0 1119.9,7796.0 1115.7,7447.4 -0.0,7472.3 -0.0,-0.0 6311.2,0.0 6310.6,1226.4 6644.0,1225.8 6644.0,7390.4 4445.7,7428.4 4446.9,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2780.0,4908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6636997,45.5638749]}},{"type":"Feature","properties":{"resourceCoords":[2780.0,2108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.663692,45.5651386]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0221/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p221","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0221/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0221/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"942.3,7038.5 932.4,1110.5 6059.2,1131.6 6059.2,856.7 6644.0,855.7 6644.0,7550.7 6352.5,7550.7 6352.4,7796.0 493.4,7796.0 497.9,7042.5 942.3,7038.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0221/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3336.0,2384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6596532,45.5648435]}},{"type":"Feature","properties":{"resourceCoords":[3336.0,872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6596474,45.5655266]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p222","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"22"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0222/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0222/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3109.6,222.7 3110.7,0.0 4678.6,0.0 4676.4,439.3 6644.0,429.7 6644.0,6948.0 912.0,6920.0 945.3,215.6 3109.6,222.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0222/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[352.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6578957,45.564843]}},{"type":"Feature","properties":{"resourceCoords":[6244.0,2332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6541006,45.5645679]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p223","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0223/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0223/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,219.0 6644.0,178.4 6644.0,7796.0 4543.6,7796.0 4543.6,7796.0 3037.8,7796.0 3034.0,7796.0 -0.0,7796.0 -0.0,219.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0223/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67998111046543,45.56276129270323]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67567752017625,45.562761114302944]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6756778170646,45.559200559132556]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67998140735378,45.55920073753284]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0224/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p224","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0224/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0224/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"648.6,7765.8 626.5,142.3 6644.0,92.5 6644.0,7796.0 648.6,7765.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0224/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67608276406376,45.56274542199368]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6717825163093,45.56273647357521]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67179740799509,45.55917868355178]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67609765574954,45.559187631970254]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p225","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0225/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0225/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6644.0,3765.2 5701.9,3747.8 5952.2,7796.0 561.4,7796.0 686.4,450.2 5381.3,501.8 5348.2,203.2 6465.9,216.1 6447.5,2529.1 6644.0,2533.0 6644.0,3765.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0225/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3288.0,2468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6700592,45.561651]}},{"type":"Feature","properties":{"resourceCoords":[5792.0,4964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6683947,45.5605216]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p226","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0226/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0226/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1022.1,6944.4 797.7,4148.7 1756.9,4150.4 1736.1,2896.7 1536.0,2896.0 1515.7,542.3 6510.9,470.1 6506.4,5408.2 6644.0,5408.8 6644.0,6730.6 6503.2,6731.8 6500.0,7796.0 4829.1,7796.0 4832.1,6765.2 1022.1,6944.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0226/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4836.0,5400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6658662,45.5605093]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,2896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6679875,45.5616434]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p227","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0227/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0227/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"893.3,5364.5 756.0,5364.0 761.5,782.6 4084.7,786.6 4084.0,419.3 5817.6,387.1 5775.1,6641.0 753.5,6726.1 894.1,6684.0 893.3,5364.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0227/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2416.0,2868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6637142,45.5616301]}},{"type":"Feature","properties":{"resourceCoords":[756.0,5364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6647904,45.5605046]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p228","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0228/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0228/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6644.0,5079.8 5959.4,5084.3 5965.3,6432.2 6315.5,6428.6 6314.9,6789.8 6.9,6785.7 17.3,1161.8 5942.2,1132.1 5954.2,3888.5 6644.0,3874.7 6644.0,5079.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2996.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6596022,45.5627381]}},{"type":"Feature","properties":{"resourceCoords":[4792.0,6444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6584985,45.5600227]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0229/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p229","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0229/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0229/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"343.3,5436.2 -0.0,5438.2 -0.0,4117.0 671.0,4115.5 676.2,2934.3 -0.0,2944.9 -0.0,-0.0 6644.0,0.0 6644.0,7422.7 6322.7,7423.9 6324.4,6745.7 335.4,6714.9 343.3,5436.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0229/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3328.0,7432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6555916,45.5591034]}},{"type":"Feature","properties":{"resourceCoords":[2216.0,4112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6563013,45.5606201]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p230","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0230/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0230/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"690.0,7438.0 718.7,7.0 6644.0,0.0 6644.0,4476.1 6463.2,4475.7 6452.7,7438.0 690.0,7438.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0230/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65386493668244,45.562485240277866]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64957452150156,45.56247683034995]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64958851697895,45.55892715781595]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65387893215983,45.558935567743866]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p231","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0231/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0231/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,814.6 5916.0,832.5 5908.2,6121.4 2908.1,6513.0 -0.0,6483.5 -0.0,814.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0231/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67995335619588,45.55957403021092]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67563533608221,45.55958307096826]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67562029158367,45.55601037409053]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67993831169734,45.55600133333319]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p232","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0232/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0232/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6070.5,6601.8 2217.6,6573.3 2208.5,7796.0 1775.8,7796.0 1799.3,5903.5 -0.0,6141.0 -0.0,785.4 6644.0,843.2 6644.0,1091.2 6113.6,1184.7 6070.5,6601.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0232/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67610761248889,45.559556037767024]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6718432901792,45.559560539060804]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67183579968946,45.556032270935226]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67610012199916,45.556027769641446]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0233/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p233","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0233/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0233/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1061.8 525.0,964.3 592.6,696.3 6021.9,585.1 6147.8,2769.1 5569.5,2765.1 5568.8,4280.8 6249.1,4263.1 6412.9,6805.2 6644.0,6805.1 6644.0,7796.0 2825.3,7796.0 2824.7,6468.1 -0.0,6469.4 -0.0,1061.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0233/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1584.0,5844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6711768,45.5568513]}},{"type":"Feature","properties":{"resourceCoords":[4976.0,7608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6689878,45.5560417]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0234/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p234","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0234/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0234/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"683.2,5171.4 -0.0,5189.5 -0.0,3677.8 580.8,3681.5 376.8,194.5 4182.1,0.0 4183.6,1022.7 5852.8,1015.4 5851.4,0.0 6644.0,0.0 6644.0,7680.3 848.8,7706.7 683.2,5171.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0234/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66856708145356,45.55990750397951]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66428376710248,45.55988667788077]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66431842349986,45.55634271740364]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66860173785095,45.55636354350238]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0235/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p235","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0235/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0235/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5615.2,7619.9 1513.5,7620.0 1608.8,49.8 5754.9,0.0 5615.2,7619.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0235/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2568.0,7620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6636222,45.5563981]}},{"type":"Feature","properties":{"resourceCoords":[1024.0,7620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6646402,45.556394]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p236","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0236/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0236/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6296.8,7631.7 59.0,7796.0 66.3,0.0 6310.0,0.0 6302.3,5631.9 6644.0,5627.8 6644.0,7212.3 6298.0,7214.6 6296.8,7631.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0236/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6615971450495,45.55989379226371]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65731380256243,45.55985899599647]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65737170649318,45.556315011400244]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66165504898025,45.55634980766748]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0237/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p237","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0237/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0237/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1917.5,6343.8 719.9,6352.1 719.4,4750.7 376.4,4754.9 381.5,0.0 6452.4,0.0 6444.2,6371.4 4546.7,6381.4 4548.6,6742.1 1918.8,6764.6 1917.5,6343.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0237/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4932.0,2648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6546343,45.5582242]}},{"type":"Feature","properties":{"resourceCoords":[1900.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.656567,45.5591074]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0238/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p238","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0238/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0238/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"248.5,6343.1 262.9,350.5 6338.5,304.0 6356.6,3358.3 6371.1,5101.5 6644.0,5100.1 6644.0,7796.0 4850.8,7796.0 4843.9,6319.9 248.5,6343.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0238/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3280.0,336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6516901,45.5590904]}},{"type":"Feature","properties":{"resourceCoords":[1756.0,6336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6527165,45.5563793]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0239/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p239","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0239/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0239/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"406.9,7796.0 402.1,0.0 6431.2,0.0 6431.9,7796.0 406.9,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0239/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1888.0,2984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6487506,45.5590874]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,2984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6458235,45.5590766]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p240","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0240/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0240/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"343.9,7787.9 348.9,0.0 6644.0,0.0 6644.0,7796.0 343.9,7787.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3344.0,3008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6438725,45.5590695]}},{"type":"Feature","properties":{"resourceCoords":[6352.0,3008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6419192,45.5590633]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0241/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p241","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0241/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0241/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6591.3,0.0 6644.0,4391.5 5667.2,4393.0 5971.6,6988.2 -0.0,7008.5 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0241/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2072.0,4428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6809394,45.5546395]}},{"type":"Feature","properties":{"resourceCoords":[3848.0,4428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6798122,45.5546338]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0242/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p242","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"32"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0242/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0242/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"906.0,4202.2 1334.7,124.1 5940.1,13.0 5716.5,1861.0 6130.3,1843.2 5501.1,7268.0 -0.0,6537.0 -0.0,4097.3 906.0,4202.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0242/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3024.0,4428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6765895,45.5546444]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,1040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6779467,45.5561626]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0243/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p243","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"24"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0243/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0243/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7137.5 -0.0,-0.0 6644.0,0.0 6644.0,7158.3 -0.0,7137.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0243/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2024.0,4392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6733843,45.554585]}},{"type":"Feature","properties":{"resourceCoords":[5408.0,4392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6711932,45.5545759]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0244/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p244","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0244/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0244/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"730.5,7231.8 771.4,1379.1 4604.7,1407.7 4612.1,413.1 6419.6,425.8 6416.0,7240.0 730.5,7231.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0244/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.0,4460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6700974,45.5545714]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,7240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6667362,45.5533183]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0245/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p245","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0245/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0245/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6515.2,7238.4 208.5,7241.2 210.6,462.4 6570.3,452.6 6515.2,7238.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0245/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1828.0,4468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6656876,45.554578]}},{"type":"Feature","properties":{"resourceCoords":[3396.0,2356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.664672,45.5555375]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0246/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p246","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0246/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0246/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.0,461.8 1739.6,440.5 1849.6,957.6 1947.4,444.4 6492.6,423.9 6498.4,6954.6 188.6,6983.0 178.0,461.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0246/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66272575073114,45.556611632033096]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65847131768976,45.55658476388281]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65851591855437,45.55307295084787]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66277035159575,45.553099818998156]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0247/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p247","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0247/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0247/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"360.0,7242.5 382.2,418.9 1905.5,418.2 1909.4,0.0 3441.8,0.0 3440.2,417.5 6413.8,412.8 6408.4,1461.4 6660.0,1463.2 6660.0,7245.0 360.0,7242.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0247/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1888.0,4524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6576183,45.5545299]}},{"type":"Feature","properties":{"resourceCoords":[1888.0,2388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6576117,45.5554984]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0248/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p248","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0248/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0248/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"624.9,7211.9 615.1,1411.2 362.6,1409.9 366.3,357.9 -0.0,359.1 0.0,-0.0 1888.3,0.0 1889.7,350.2 6495.7,345.2 6496.7,1825.0 6660.0,1825.6 6660.0,7550.3 4900.3,7548.0 4900.6,7209.0 624.9,7211.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0248/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3388.0,4472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6527419,45.554516]}},{"type":"Feature","properties":{"resourceCoords":[3388.0,7200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6527533,45.5532831]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0249/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p249","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0249/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0249/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,242.9 106.3,243.2 107.1,0.0 3784.7,0.0 3785.2,0.0 6660.0,0.0 6660.0,7796.0 -0.0,7796.0 -0.0,242.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0249/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3784.0,2952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6798313,45.5521194]}},{"type":"Feature","properties":{"resourceCoords":[3784.0,228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6798244,45.5533865]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0250/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p250","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0250/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0250/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"924.2,0.0 6279.6,0.0 6279.1,7796.0 930.8,7796.0 924.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0250/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4636.0,5752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6755442,45.5508421]}},{"type":"Feature","properties":{"resourceCoords":[1296.0,5752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6776918,45.5508491]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p251","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0251/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0251/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2011.8,7199.1 367.4,7209.5 359.1,206.7 6660.0,229.5 6660.0,7796.0 2010.0,7796.0 2011.8,7199.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0251/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2016.0,3008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6734096,45.5520715]}},{"type":"Feature","properties":{"resourceCoords":[2016.0,5808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.67342,45.5508035]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p252","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0252/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0252/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6294.8,179.6 6384.7,7796.0 630.8,7771.8 637.9,208.1 6294.8,179.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0252/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2780.0,5784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6690275,45.550787]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,5784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6701273,45.5507907]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p253","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0253/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0253/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"244.3,7796.0 191.2,298.7 6556.0,290.5 6569.9,7796.0 244.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0253/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66685904241595,45.55345365512429]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66257988120442,45.553453616078805]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6625799460159,45.549921192823405]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66685910722742,45.549921231868886]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p254","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0254/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0254/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"213.5,7796.0 167.4,0.0 6457.6,0.0 6433.9,7796.0 213.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0254/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66275245810635,45.55346560372379]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65848467803967,45.553452205407154]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65850691786893,45.54992917800353]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66277469793562,45.54994257632016]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p255","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0255/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0255/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6341.3,7796.0 287.8,7796.0 304.3,323.7 6347.0,323.4 6341.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0255/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1824.0,3044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6576417,45.5520641]}},{"type":"Feature","properties":{"resourceCoords":[4840.0,3044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6556897,45.552057]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0256/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p256","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0256/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0256/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"305.9,367.4 4853.2,376.7 4852.0,716.5 6615.9,723.6 6660.0,7253.2 294.4,7229.7 305.9,367.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0256/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1812.0,3092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.653742,45.5520554]}},{"type":"Feature","properties":{"resourceCoords":[1812.0,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6537354,45.5532855]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0258/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p258","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0258/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0258/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4591.0,7796.0 2996.9,7796.0 2993.2,6743.6 1762.3,6754.2 1771.2,7796.0 -0.0,7796.0 -0.0,795.4 976.6,796.7 976.8,645.2 6303.9,656.9 6306.4,93.3 6660.0,92.2 6660.0,6934.8 6041.2,6939.7 4591.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0258/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2988.0,5288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6766418,45.5478275]}},{"type":"Feature","properties":{"resourceCoords":[6300.0,1444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6744976,45.5495625]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0259/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p259","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0259/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0259/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6190.1,6486.6 1732.2,6524.4 1734.7,6819.4 748.3,6824.2 769.1,0.0 2059.3,0.0 2053.8,596.3 6181.4,644.1 6190.1,6486.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0259/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4196.0,6796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6720423,45.5470935]}},{"type":"Feature","properties":{"resourceCoords":[5444.0,1408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6712365,45.5495362]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p260","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0260/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0260/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.0,6610.2 -0.0,735.8 6348.2,708.8 6444.8,7169.1 2413.0,7189.3 2401.4,6567.1 68.0,6610.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0260/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67075502471579,45.55021432468623]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66649801784027,45.550185826965105]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66654531836345,45.54667148723697]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67080232523897,45.546699984958096]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0261/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p261","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"24"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0261/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0261/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"191.1,7461.7 146.2,572.1 6660.0,520.2 6660.0,7483.0 191.1,7461.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0261/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4168.0,7488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.664096,45.546775]}},{"type":"Feature","properties":{"resourceCoords":[4168.0,4212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6640937,45.5482644]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0262/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p262","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0262/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0262/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"524.3,551.6 6660.0,584.6 6660.0,7796.0 1799.5,7796.0 1799.3,7502.9 549.6,7509.8 524.3,551.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0262/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4920.0,4196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6596289,45.5482742]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,1504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6586566,45.5494957]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0263/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p263","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0263/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0263/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6407.5,4288.8 6660.0,4291.0 6660.0,7796.0 2297.8,7796.0 2285.9,6568.2 621.5,6584.3 625.1,654.9 6414.6,661.1 6407.5,4288.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0263/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3408.0,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6566857,45.54949]}},{"type":"Feature","properties":{"resourceCoords":[368.0,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6586566,45.5494957]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0264/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p264","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"30"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0264/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0264/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"573.4,7796.0 561.8,4283.6 308.7,4282.2 306.3,0.0 6660.0,0.0 6660.0,7796.0 573.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0264/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5464.0,7596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6514301,45.5467344]}},{"type":"Feature","properties":{"resourceCoords":[300.0,1556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6547408,45.5494875]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0266/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p266","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0266/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0266/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3260.2,7796.0 -0.0,7796.0 -0.0,-0.0 1219.4,0.0 1214.2,1042.5 2793.4,1056.1 4237.3,220.2 5830.1,216.9 5851.7,7634.3 3886.7,7517.5 3745.3,7385.6 3260.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0266/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1216.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6766403,45.5468582]}},{"type":"Feature","properties":{"resourceCoords":[6264.0,1928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6733459,45.5463046]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0267/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p267","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0267/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0267/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"387.1,7796.0 387.7,7649.0 -0.0,7639.9 -0.0,-0.0 6660.0,0.0 6660.0,609.4 6245.4,603.8 6147.9,7784.0 387.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0267/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2424.0,288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6720423,45.5470935]}},{"type":"Feature","properties":{"resourceCoords":[388.0,7584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6733371,45.5437266]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0268/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p268","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0268/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0268/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7265.2 -0.0,0.0 4386.5,0.0 4390.1,364.3 5829.1,370.6 5796.8,5187.7 6660.0,5194.4 6660.0,6867.8 4485.2,6935.6 4492.8,6189.4 50.4,6184.3 197.6,6817.5 566.8,7065.5 565.6,7796.0 474.2,7796.0 465.7,7269.8 -0.0,7265.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0268/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4472.0,3516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6666326,45.5453551]}},{"type":"Feature","properties":{"resourceCoords":[2436.0,3516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6679566,45.5453593]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0269/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p269","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0269/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0269/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"879.2,6961.3 867.9,5279.0 -0.0,5278.2 -0.0,435.2 6308.3,379.5 6416.2,1702.1 6427.8,6917.9 879.2,6961.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0269/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2564.0,3576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.664109,45.545349]}},{"type":"Feature","properties":{"resourceCoords":[2564.0,5268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641213,45.5445833]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p270","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0270/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0270/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.8,7501.2 3.3,4108.6 112.5,3726.4 128.2,2281.7 38.9,1251.2 4963.5,1301.6 4976.9,0.0 6660.0,0.0 6660.0,7796.0 4810.3,7796.0 4810.0,7796.0 196.7,7796.0 198.3,7502.6 51.8,7501.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0270/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6616964987671,45.54720881784075]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6574265237523,45.54722551308251]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65739881444112,45.543700282584176]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66166878945592,45.543683587342414]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0271/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p271","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0271/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0271/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7717.6 -0.0,1207.3 3249.3,1169.7 3742.8,745.3 4579.2,966.3 6311.5,910.7 6373.7,7004.3 3641.9,7009.0 3609.0,7796.0 240.1,7796.0 108.1,7594.4 -0.0,7717.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0271/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67733623134592,45.544149379791264]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67311293367734,45.54413309236671]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67313996466386,45.54064620903507]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67736326233243,45.540662496459625]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0272/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p272","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0272/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0272/info.json","type":"ImageService2","height":7796,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,6812.7 2374.1,6928.2 279.9,6886.4 319.9,1109.2 6660.0,1125.0 6660.0,6812.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0272/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6735510832011,45.544131828900674]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66925612532,45.54416717018899]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66919747226683,45.540621111944084]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67349243014793,45.54058577065577]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0273/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p273","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0273/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0273/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.8,1609.6 1636.1,1609.5 1636.5,879.7 1288.2,665.8 1119.5,0.0 5557.7,0.0 5437.6,3344.2 5522.1,6932.7 1633.8,6763.6 1544.8,1609.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0273/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3272.0,2904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6681253,45.542822]}},{"type":"Feature","properties":{"resourceCoords":[5520.0,4920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6666709,45.541898]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0274/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p274","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0274/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0274/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.7,6977.9 1276.8,3491.5 1398.1,765.7 5279.9,694.6 5271.8,7080.4 1363.7,6977.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0274/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5280.0,4968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641342,45.5418845]}},{"type":"Feature","properties":{"resourceCoords":[5280.0,2844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641276,45.542848]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0275/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p275","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0275/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0275/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5153.1,7310.8 1323.7,7319.6 1332.0,912.0 5326.3,906.8 5330.5,1787.0 5177.0,1786.0 5153.1,7310.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0275/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1332.0,5200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641342,45.5418845]}},{"type":"Feature","properties":{"resourceCoords":[1332.0,912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.664121,45.543823]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0276/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p276","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0276/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0276/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"197.8,1012.9 356.0,1015.4 358.7,436.5 6636.0,430.7 6636.0,7291.6 114.0,7310.6 197.8,1012.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0276/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66177702802258,45.54388334813462]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65746565583265,45.54389741134797]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65744223191378,45.540324917970686]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66175360410371,45.54031085475734]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0277__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p277 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"504.4"},{"label":"split_canvas_w","value":"6636.0"},{"label":"split_canvas_h","value":"7291.6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0277__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0277/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"495.0,7740.2 488.1,7523.4 3334.5,7394.9 3400.6,6999.6 4581.3,6916.3 4456.3,4465.2 -0.0,4648.3 -0.0,7796.0 495.0,7740.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0277__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1944.0,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6737999,45.5395997]}},{"type":"Feature","properties":{"resourceCoords":[5104.0,4404.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6715187,45.5410079]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0278/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p278","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0278/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0278/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4459.2 351.8,675.9 -0.0,594.5 387.7,578.4 474.9,341.8 4947.1,0.0 5229.1,2514.8 5177.1,4489.0 4891.8,6957.5 -0.0,4459.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0278/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67511511237272,45.53975273118953]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67088420240854,45.539822559306366]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67076790292508,45.53631651634295]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67499881288926,45.536246688226115]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0279/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p279","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0279/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0279/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4830.0,7796.0 90.7,7796.0 92.4,7553.2 300.1,7554.3 316.8,5648.1 -0.0,5645.2 -0.0,676.4 5999.4,547.8 6300.5,1111.5 6422.6,1845.2 6381.1,7014.3 4836.4,6997.7 4830.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0279/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1812.0,624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6707624,45.541021]}},{"type":"Feature","properties":{"resourceCoords":[6412.0,3712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6676935,45.5395906]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0280/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p280","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0280/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0280/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"570.7,7122.0 602.4,1794.9 530.9,1214.5 264.1,628.1 6096.0,776.0 6041.1,7173.1 570.7,7122.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0280/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2180.0,7136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6666661,45.5380467]}},{"type":"Feature","properties":{"resourceCoords":[6096.0,776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641461,45.5409263]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0281/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p281","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0281/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0281/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5287.4,7170.1 1456.0,7188.0 1459.1,813.3 5274.3,799.5 5287.4,7170.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0281/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1456.0,2940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641565,45.5399612]}},{"type":"Feature","properties":{"resourceCoords":[1456.0,7188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641733,45.5380334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0282/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p282","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0282/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0282/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"247.7,5474.8 83.8,5473.9 149.8,0.0 6636.0,10.9 6636.0,3053.0 6425.7,3051.0 6376.0,6744.0 4769.3,6725.8 4757.7,7652.3 236.6,7585.0 247.7,5474.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0282/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4816.0,3364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6586152,45.5390155]}},{"type":"Feature","properties":{"resourceCoords":[6376.0,6744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6575766,45.537477]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p283 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3999.2"},{"label":"split_canvas_w","value":"6636.0"},{"label":"split_canvas_h","value":"3796.8"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6237.1,3999.2 279.8,3999.2 281.7,7559.7 6236.3,7612.7 6237.1,3999.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3352.0,7564.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.651485,45.5374531]}},{"type":"Feature","properties":{"resourceCoords":[280.0,4243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6535061,45.5390001]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p283 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6636.0"},{"label":"split_canvas_h","value":"3999.2"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6532.5,495.5 6636.0,0.0 229.2,0.0 214.0,3741.5 6518.3,3773.5 6532.5,495.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0283__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4932.0,3767.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6545376,45.5374651]}},{"type":"Feature","properties":{"resourceCoords":[4932.0,355.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6545373,45.5390045]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0284/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p284","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0284/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0284/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1758.9,7796.0 -0.0,7684.8 0.0,-0.0 6636.0,0.0 6539.4,40.7 6551.9,7629.2 1758.8,7615.8 1758.9,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0284/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64955153574134,45.540950231933735]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6452346716658,45.54093450069269]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64526087250219,45.53735726866186]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64957773657773,45.5373729999029]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0285/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p285","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0285/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0285/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3762.1,7573.3 186.6,7575.3 178.7,0.0 6636.0,0.0 6636.0,7796.0 3762.2,7796.0 3762.1,7573.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0285/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64541407649364,45.540916418870644]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64108967357713,45.540902505054845]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64111284742523,45.53731902368166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64543725034174,45.53733293749746]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0286/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p286","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0286/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0286/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"289.6,3693.2 405.2,3399.1 737.3,3293.5 730.0,1841.8 969.6,1841.3 965.7,0.0 6636.0,0.0 6636.0,7796.0 -0.0,7796.0 -0.0,7552.8 263.1,7416.5 289.6,3693.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0286/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[284.0,4496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6367156,45.5351636]}},{"type":"Feature","properties":{"resourceCoords":[284.0,196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6367102,45.5371422]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0287__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p287 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6636.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0287__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0287/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3145.5,7796.0 6424.0,7796.0 6449.2,238.0 4864.0,232.0 4863.1,1051.3 -0.0,1085.2 -0.0,3539.3 2297.0,6458.0 2162.6,6565.4 3145.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0287__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4656.0,7248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6688813,45.5348701]}},{"type":"Feature","properties":{"resourceCoords":[4864.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6687329,45.5380564]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0288/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p288","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0288/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0288/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5201.4,7796.0 504.3,7749.9 583.9,180.5 6040.0,244.0 6020.2,3601.0 5248.2,3597.5 5201.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0288/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3656.0,6704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6656985,45.5350998]}},{"type":"Feature","properties":{"resourceCoords":[6040.0,244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6641733,45.5380334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0289/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p289","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0289/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0289/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.4,7085.4 166.5,3599.6 947.8,3596.0 936.6,222.1 4985.3,206.9 5004.5,2345.2 6636.0,2346.1 6636.0,7796.0 6480.3,7796.0 6480.8,7085.6 157.4,7085.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0289/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66477157543846,45.53813568225975]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66052756440138,45.53812082658479]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66055230573063,45.53460379093424]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66479631676772,45.5346186466092]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0290/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p290","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"26"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0290/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0290/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"323.2,7331.9 271.0,4037.3 371.8,3756.0 314.6,6790.4 467.7,6790.0 451.4,1394.0 3384.2,1387.2 3379.9,457.5 6550.7,449.2 6578.5,7295.6 323.2,7331.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0290/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1896.0,5760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6596179,45.5350679]}},{"type":"Feature","properties":{"resourceCoords":[4992.0,448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6575766,45.537477]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0291/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p291","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0291/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0291/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6636.0,7304.2 242.1,7297.0 244.8,438.8 6546.8,445.6 6517.5,5761.9 6636.0,5761.9 6636.0,7304.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0291/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65671952428438,45.53767080079302]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65244049410116,45.537660155206225]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65245822360092,45.53411406826563]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65673725378414,45.53412471385243]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0292/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p292","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0292/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0292/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"204.2,5760.6 226.8,455.4 6474.3,620.6 6474.2,439.2 6636.0,439.7 6636.0,7335.0 323.5,7299.6 375.1,5760.4 204.2,5760.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0292/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3332.0,5764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6504944,45.5350312]}},{"type":"Feature","properties":{"resourceCoords":[3332.0,2612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6504847,45.5364679]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0293/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p293","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0293/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0293/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"732.9,409.6 6153.1,423.1 6161.7,7149.2 738.2,7151.3 732.9,409.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0293/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3328.0,5756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6466667,45.5350199]}},{"type":"Feature","properties":{"resourceCoords":[6160.0,2600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6448219,45.536444]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0294/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p294","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0294/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0294/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"489.7,415.6 3333.2,409.7 3333.4,636.3 5975.1,635.2 5985.9,2706.7 6172.9,2705.8 6153.5,7110.0 494.9,7158.8 489.7,415.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0294/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3336.0,2604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6429903,45.5364363]}},{"type":"Feature","properties":{"resourceCoords":[3336.0,7332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6430056,45.5343008]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0295/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p295","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0295/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0295/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6528.2,4444.2 6636.0,7796.0 4561.5,7796.0 4562.7,7533.1 -0.0,7511.6 -0.0,0.0 6636.0,-0.0 6534.2,2933.2 6155.9,2932.8 6159.2,4443.6 6528.2,4444.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0295/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4340.0,5996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6401231,45.5374196]}},{"type":"Feature","properties":{"resourceCoords":[4956.0,696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6367102,45.5371422]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0296/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p296","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"22"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0296/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0296/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5961.9,4198.3 5955.7,5734.6 6247.5,5736.5 6244.3,7407.9 363.8,7318.1 366.8,4173.8 -0.0,4172.4 -0.0,2670.8 376.0,2672.0 385.8,-0.0 1955.4,-0.0 2120.9,378.0 3172.2,463.6 3172.2,463.7 6133.3,497.4 6270.4,764.8 6517.0,765.9 6520.3,-0.0 6636.0,-0.0 6636.0,966.0 5975.0,963.3 5968.0,2690.5 6252.9,2691.5 6250.7,4199.8 5961.9,4198.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0296/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4704.0,4192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6391288,45.5344645]}},{"type":"Feature","properties":{"resourceCoords":[376.0,2672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6381506,45.5364302]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0297/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p297","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0297/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0297/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,655.7 6220.3,662.1 6213.8,7796.0 -0.0,7796.0 -0.0,655.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0297/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3220.0,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6667377,45.5343802]}},{"type":"Feature","properties":{"resourceCoords":[1640.0,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6677432,45.5343831]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0298/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p298","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0298/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0298/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"186.6,7796.0 167.6,7705.5 -0.0,7705.6 -0.0,728.6 202.6,726.7 201.7,0.0 6417.9,0.0 6426.8,7487.5 4560.1,7521.5 4640.6,7796.0 186.6,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0298/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1768.0,5940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6636938,45.5322283]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,2800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6606545,45.5336486]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0299/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p299","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0299/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0299/info.json","type":"ImageService2","height":7796,"width":6636},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4897.7,6948.3 191.9,7031.3 167.0,774.9 6479.3,733.6 6515.6,7796.0 5234.1,7796.0 5227.1,7022.3 4897.7,6948.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0299/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66075242207147,45.534710443373406]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65647490316736,45.534684288930585]}},{"type":"Feature","properties":{"resourceCoords":[6636.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.65651845931995,45.53113926798453]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66079597822406,45.53116542242735]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0300/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p300","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0300/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0300/info.json","type":"ImageService2","height":7796,"width":6656},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6501.2,7085.7 6495.3,7796.0 213.4,7796.0 285.0,693.8 6656.0,765.6 6656.0,7087.4 6501.2,7085.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0300/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3336.0,7052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6545852,45.5314878]}},{"type":"Feature","properties":{"resourceCoords":[268.0,2292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6565842,45.5336292]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0301/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p301","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0301/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0301/info.json","type":"ImageService2","height":7796,"width":6656},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.4,6537.7 280.5,6536.3 111.9,251.8 5746.1,249.9 5790.1,7796.0 -0.0,7796.0 68.4,6537.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0301/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4828.0,3356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6494337,45.5329039]}},{"type":"Feature","properties":{"resourceCoords":[6336.0,4936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6484668,45.5321785]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p302","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0302/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0302/info.json","type":"ImageService2","height":7796,"width":6656},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"561.4,0.0 6154.2,0.0 6127.2,7796.0 -0.0,7796.0 -0.0,187.1 561.5,190.2 561.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0302/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3320.0,4892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6466855,45.5321724]}},{"type":"Feature","properties":{"resourceCoords":[3320.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.646675,45.5336015]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p303","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0303/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0303/info.json","type":"ImageService2","height":7796,"width":6656},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"491.2,7796.0 586.9,0.0 6265.8,0.0 6171.0,6561.8 6049.1,6560.9 6042.5,7796.0 491.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0303/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3420.0,4952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6430051,45.5321612]}},{"type":"Feature","properties":{"resourceCoords":[3420.0,1772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6430125,45.5335925]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p304","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0304/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0304/info.json","type":"ImageService2","height":7796,"width":6656},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4912.1,0.0 6656.0,0.0 6656.0,4515.8 6552.1,4510.0 6515.8,7796.0 -0.0,7796.0 150.3,296.1 1837.9,292.6 1838.7,0.0 3389.7,0.0 3389.4,289.5 4912.3,285.6 4912.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0304/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.64130613273846,45.533896251531964]}},{"type":"Feature","properties":{"resourceCoords":[6656.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6370350610949,45.53389113027757]}},{"type":"Feature","properties":{"resourceCoords":[6656.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.63704356399904,45.53036203846077]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6413146356426,45.53036715971517]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p307","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0307/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0307/info.json","type":"ImageService2","height":7796,"width":6640},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5641.0,4947.4 5667.1,7723.7 -0.0,7796.0 0.0,-0.0 6015.9,-0.0 6511.6,279.1 5597.2,273.9 5626.1,3355.3 6640.0,3351.3 6640.0,4877.6 5641.0,4947.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0307/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.68034413930742,45.54225844875579]}},{"type":"Feature","properties":{"resourceCoords":[6640.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67694684073136,45.5404098666464]}},{"type":"Feature","properties":{"resourceCoords":[6640.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.68002389676991,45.53759638193659]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.68342119534597,45.53944496404598]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0308/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p308","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0308/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0308/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6644.0,1380.3 6644.0,7796.0 -0.0,7796.0 -0.0,4999.2 985.3,4999.5 999.5,3495.0 -0.0,3489.5 -0.0,451.9 901.3,465.5 415.3,185.8 -0.0,181.9 -0.0,-0.0 4326.9,-0.0 4421.9,138.7 4880.5,-0.0 4874.8,188.8 5490.4,326.5 6014.5,622.8 6644.0,1380.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0308/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67740977439117,45.54076798416331]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.6739366012543,45.538914442959566]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67701996783755,45.53603977340068]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.68049314097442,45.537893314604425]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0309/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0309/info.json","type":"ImageService2","height":7796,"width":6612},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2448.3,7796.0 -0.0,7796.0 -0.0,2689.4 4462.5,1570.0 4288.6,1790.9 4524.1,2285.0 5399.6,1334.9 5870.2,1216.9 5030.2,2263.6 6612.0,3539.7 6612.0,6666.1 6454.8,6860.4 6460.5,6296.8 2821.1,6260.6 2448.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0309/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67794432900457,45.53715612117445]}},{"type":"Feature","properties":{"resourceCoords":[6612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67460221753633,45.539052063654914]}},{"type":"Feature","properties":{"resourceCoords":[6612.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67143314742282,45.53627240023739]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67477525889106,45.53437645775692]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0310/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p310","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0310/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0310/info.json","type":"ImageService2","height":7796,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,1615.1 2514.3,1590.1 2801.4,0.0 6644.0,0.0 6644.0,4401.4 6466.8,4401.4 6478.5,6020.9 6644.0,6152.1 6644.0,6548.9 6644.0,6548.9 6644.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0310/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67539533455694,45.53494246669186]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67211916788624,45.53676348071391]}},{"type":"Feature","properties":{"resourceCoords":[6644.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.66909012076017,45.53405168068568]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.67236628743088,45.53223066666363]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p313 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3924.0"},{"label":"split_canvas_w","value":"6620.0"},{"label":"split_canvas_h","value":"3872.0"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313/info.json","type":"ImageService2","height":7796,"width":6620},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6620.0,7796.0 6620.0,4243.6 -0.0,4230.4 -0.0,7796.0 6620.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1728.0,7416.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6606795,45.5300144]}},{"type":"Feature","properties":{"resourceCoords":[3304.0,4227.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6596307,45.5315035]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p313 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6620.0"},{"label":"split_canvas_h","value":"3925.6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313/info.json","type":"ImageService2","height":7796,"width":6620},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6620.0,0.0 0.0,-0.0 -0.0,3925.6 6620.0,3924.0 6620.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0313__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3312.0,3597.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6637406,45.5300001]}},{"type":"Feature","properties":{"resourceCoords":[3312.0,384.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6637191,45.5307926]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0314__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, Oregon | 1909 | sanborn07439_008 p314 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2118.4"},{"label":"split_canvas_y","value":"3440.4"},{"label":"split_canvas_w","value":"4501.6"},{"label":"split_canvas_h","value":"4355.6"}],"created":"2026-09-23T23:45:14Z","modified":"2026-09-23T23:45:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0314__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0314/info.json","type":"ImageService2","height":7796,"width":6620},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6620.0,3459.6 3155.6,3444.7 3303.6,6716.1 2126.8,6782.2 2118.4,7796.0 6620.0,7796.0 6620.0,3459.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g07439190903:07439_03_1909-0314__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2118.4,3440.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.63777732201908,45.53187685607907]}},{"type":"Feature","properties":{"resourceCoords":[6620.0,3440.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.63486583653558,45.531758638204735]}},{"type":"Feature","properties":{"resourceCoords":[6620.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.63502903455073,45.52978593440461]}},{"type":"Feature","properties":{"resourceCoords":[2118.4,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.63794052003422,45.529904152278945]}},{"type":"Feature","properties":{"resourceCoords":[3325.8,7568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.6371511,45.5299757]}}]}}]}