{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07379_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hillsboro, Oregon | 1921 | 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":"26"},{"label":"placed","value":"20"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 12, georef-snap 8"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 45.52060,-122.98355 +/-995m); p14 (tier 1, 45.51872,-122.99522 +/-254m); p20 (tier 1, 45.51370,-122.99043 +/-254m); p21__1 (tier 1, 45.51683,-122.98249 +/-184m); p23__2 (tier 2, 45.51675,-122.97648 +/-329m); p7 (tier 1, 45.52147,-122.99253 +/-254m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"529.6,7652.0 537.2,341.1 6093.5,350.2 6053.0,7143.5 3315.8,7232.0 3310.9,7652.0 529.6,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98472409444018,45.522773408853226]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98052119896028,45.522739576954336]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98057806510737,45.519222495996075]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98478096058727,45.519256327894965]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"617.1,7092.0 676.3,728.2 5947.0,1148.4 5910.1,6156.4 5550.4,6153.6 5549.8,7130.1 617.1,7092.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98120311622662,45.52292473922081]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97691267926169,45.522900227495846]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97695387970006,45.51930989418115]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.981244316665,45.519334405906115]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"861.3,7652.0 864.2,7260.3 -0.0,7254.1 -0.0,6273.6 361.1,6276.2 387.9,0.0 6452.0,0.0 6452.0,1576.0 5518.6,1589.5 5464.5,3324.8 5471.6,3700.1 5612.1,3810.8 5577.4,7652.0 861.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97750912500341,45.522947825609116]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97323636830264,45.5229215583329]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97328051957008,45.519346021675645]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97755327627085,45.519372288951864]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1161.5,7505.7 600.6,7488.6 -0.0,7440.5 182.8,2238.0 42.9,2124.5 103.2,0.0 6452.0,0.0 6452.0,7612.2 1161.5,7505.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97394328073908,45.52218231900456]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.96970022982543,45.52219957105847]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.96967123213902,45.51864884713646]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97391428305266,45.518631595082546]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5997.4,146.8 6051.7,7652.0 -0.0,7652.0 -0.0,7458.0 471.7,7457.1 456.9,146.8 5997.4,146.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98793926073644,45.520322342992515]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98799474403415,45.51735943231144]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99297473084782,45.51740586393161]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9929192475501,45.520368774612685]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p16","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"552.8,5795.5 447.7,5790.4 423.5,546.0 5930.1,538.2 5962.8,5718.4 6452.0,5716.3 6452.0,7652.0 6320.9,7652.0 6316.1,6863.3 560.6,6898.1 552.8,5795.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9883268508142,45.519587455236994]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9840925391074,45.519536778572196]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98417829057777,45.51601703941516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98841260228458,45.51606771607996]}},{"type":"Feature","properties":{"resourceCoords":[5960.0,1568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.984433,45.5188194]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p17","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5969.4,7388.3 6452.0,7390.3 6452.0,7652.0 953.4,7652.0 966.3,5976.6 477.9,5974.9 493.5,888.7 3248.9,894.4 3254.6,475.4 5966.5,392.8 5969.4,7388.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3236.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9826386,45.5187997]}},{"type":"Feature","properties":{"resourceCoords":[5956.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9808501,45.5187879]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p18","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5972.0,1736.0 5983.4,7289.9 630.6,7302.8 582.3,0.0 6452.0,0.0 6452.0,1737.1 5972.0,1736.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98121312553329,45.51959910062405]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97697873394438,45.519551816363574]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97705874502792,45.51603201080516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98129313661683,45.51607929506564]}},{"type":"Feature","properties":{"resourceCoords":[5972.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9773119,45.5187568]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p19","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0019/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 72.1,67.5 2591.7,-0.0 2582.7,618.0 6452.0,674.2 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98804215236156,45.51760237139011]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98802738108904,45.51463418929055]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9930499290483,45.51462191078347]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99306470032082,45.51759009288303]}},{"type":"Feature","properties":{"resourceCoords":[5600.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9881291,45.5150259]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"743.9,7514.7 772.1,0.0 6452.0,0.0 6452.0,625.6 6356.4,763.2 6277.1,7525.3 743.9,7514.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9901485442097,45.52866545440288]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98594121371218,45.528632344769456]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98599687163384,45.52511191875917]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99020420213137,45.5251450283926]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p21 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4312.0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0021__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,4311.2 2154.4,4311.2 6452.0,4312.0 6452.0,0.0 -0.0,-0.0 0.0,4311.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3272.0,3048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9863422,45.5150121]}},{"type":"Feature","properties":{"resourceCoords":[516.0,3048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9881291,45.5150259]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p22","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0022/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5946.1,325.6 5970.4,3077.8 5586.2,3085.1 5583.2,7652.0 -0.0,7652.0 -0.0,616.0 1073.4,607.3 1071.3,344.9 3305.2,336.0 3305.2,335.6 5946.1,325.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3300.0,3128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9791292,45.514936]}},{"type":"Feature","properties":{"resourceCoords":[3300.0,5720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9791589,45.5137454]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0023__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p23 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0023__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0023/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"193.1,5061.5 -0.0,5065.3 -0.0,7652.0 4213.2,7652.0 4264.4,5195.6 3456.4,4732.0 3439.6,3660.4 6452.0,3616.4 6452.0,0.0 6003.7,0.0 6024.5,874.6 2771.5,866.4 2755.3,188.2 2699.5,179.7 408.0,210.2 409.5,884.0 168.0,884.0 193.1,5061.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4280.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9719475,45.5186886]}},{"type":"Feature","properties":{"resourceCoords":[168.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9773119,45.5187568]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0024/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 6452.0,0.0 6452.0,871.1 6333.9,871.4 6329.3,4663.8 5260.1,4662.2 5267.8,7115.1 4901.4,7116.0 4902.3,7444.9 4016.3,7452.8 4016.8,7652.0 -0.0,7652.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99781341186305,45.52953495454217]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98947703198782,45.52945435397273]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98961252091007,45.52247889122562]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9979489007853,45.52255949179506]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.1,7382.8 298.2,535.9 390.8,536.4 393.8,0.0 6452.0,0.0 6452.0,7427.5 180.1,7382.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5608.0,5156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9825094,45.5261899]}},{"type":"Feature","properties":{"resourceCoords":[5608.0,7420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9825176,45.5251401]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"428.0,88.0 5916.9,135.5 5885.7,7652.0 403.1,7652.0 428.0,88.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3176.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.986129,45.523901]}},{"type":"Feature","properties":{"resourceCoords":[428.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.98611,45.5251711]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5928.6,-0.0 5952.2,7509.9 412.0,7500.0 381.7,1149.1 -0.0,1153.6 -0.0,-0.0 5928.6,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5936.0,1960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.982552,45.5225977]}},{"type":"Feature","properties":{"resourceCoords":[412.0,7500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.98611,45.5251711]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.1,6897.7 0.0,0.0 5057.6,-0.0 5064.9,749.9 6339.4,730.1 5964.6,5004.4 5967.6,6890.7 31.1,6897.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3176.0,3372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9789407,45.5238322]}},{"type":"Feature","properties":{"resourceCoords":[408.0,6120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9807007,45.5251212]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"663.3,332.5 6184.5,354.0 6184.8,7652.0 663.1,7652.0 651.9,5896.1 -0.0,5896.2 -0.0,5170.0 647.5,5169.6 662.8,3268.2 663.3,332.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98776264643188,45.522956385918604]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9878098886261,45.51998853856686]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99279841487581,45.52002807163891]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99275117268158,45.52299591899066]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1921 | sanborn07379_006 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-23T05:32:32Z","modified":"2026-09-23T05:32:32Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"564.0,428.0 6063.9,427.2 6078.8,7652.0 569.2,7652.0 564.0,428.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791921:07379_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3320.0,5948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9862332,45.5200963]}},{"type":"Feature","properties":{"resourceCoords":[564.0,428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9879843,45.522653]}}]}}]}