{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07379_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hillsboro, Oregon | 1948 | 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":"28"},{"label":"placed","value":"25"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 15, georef-snap 9, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1a (tier 1, 45.51480,-122.94875 +/-230m); p23__2 (tier 1, 45.51484,-122.97315 +/-130m); p4__2 (tier 1, 45.52470,-122.98822 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.8,1680.9 133.6,74.8 1512.3,73.3 1507.2,1673.6 136.8,1680.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98472466018607,45.52275595809104]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98049020636081,45.52271360598503]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98056139353211,45.51917011051735]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98479584735738,45.51921246262336]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 187.0,1913.0 195.6,178.9 854.4,216.9 855.1,514.9 1503.3,513.8 1502.8,574.7 1613.0,585.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98127631302312,45.52292390760322]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97694631832363,45.522885990460985]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97701005117865,45.51926255280095]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98134004587814,45.51930046994319]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"744.0,0.0 1613.0,0.0 1613.0,388.8 1385.5,388.2 1368.0,915.8 1340.3,945.5 1345.2,1913.0 199.3,1913.0 221.6,601.3 669.4,650.9 744.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97756378612989,45.522906700992564]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97326531241772,45.522920627129416]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97324190473405,45.51932356698687]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97754037844622,45.51930964085002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1885.0 -0.0,1847.5 -0.0,552.1 20.4,530.2 33.5,0.0 1613.0,0.0 1613.0,1885.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97396377780628,45.52218861431186]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.96968619713775,45.52219460785623]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9696761230383,45.51861498803033]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97395370370683,45.51860899448596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p14","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,1788.7 75.3,1800.0 34.5,1439.3 25.4,-0.0 706.2,-0.0 706.1,58.9 1396.0,60.0 1396.4,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[709.0,1167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9957964,45.5188993]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.992884,45.5176149]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1515.1,1850.3 827.3,1853.7 827.0,1795.0 148.3,1799.5 145.7,39.0 1516.4,39.3 1517.3,721.7 1613.0,721.5 1613.0,1789.9 1515.1,1790.5 1515.1,1850.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9913654,45.5188823]}},{"type":"Feature","properties":{"resourceCoords":[825.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9880645,45.5188525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p16","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.1,1429.0 116.1,0.0 1485.5,0.0 1486.0,1419.2 1351.7,1420.0 1352.8,1857.6 1613.0,1857.0 1613.0,1913.0 793.2,1913.0 794.0,1705.9 143.4,1706.0 142.7,1430.5 114.1,1429.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[799.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9862598,45.5188383]}},{"type":"Feature","properties":{"resourceCoords":[115.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9880645,45.5188525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.5,0.0 1512.5,1827.8 1363.4,1827.2 1362.6,1913.0 -0.0,1913.0 -0.0,1475.6 135.2,1475.1 141.2,0.0 1513.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98479794734072,45.519641076034816]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98056960491245,45.519614656914825]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9806140089998,45.51607609535487]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98484235142807,45.51610251447486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.8,156.2 1613.0,131.2 1613.0,430.7 1492.4,429.9 1490.6,1112.1 1613.0,1112.1 1613.0,1798.5 160.5,1796.5 155.8,156.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98124539098075,45.51959098340731]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97697987545983,45.51955637492648]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97703804410408,45.51598671925425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98130355962499,45.51602132773508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"403.9,20.1 404.9,-0.0 1416.7,-0.0 1413.2,712.5 1343.9,712.8 1355.2,1855.2 1613.0,1852.6 1613.0,1913.0 262.3,1913.0 262.0,1777.2 144.9,1777.5 149.5,709.4 54.5,709.2 56.6,27.0 403.9,20.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98801339999427,45.5176744484608]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98804959835638,45.514658076617536]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99311920846387,45.51468837088418]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99308301010176,45.517704742727446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0001b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p1b","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"9"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0001b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0001b","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"976.2,1843.9 246.5,1913.0 149.2,773.3 -0.0,787.9 -0.0,22.2 1613.0,0.0 1613.0,1913.0 981.6,1913.0 976.2,1843.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0001b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[214.0,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9789899,45.522493]}},{"type":"Feature","properties":{"resourceCoords":[949.0,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9772547,45.5223633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.5,1854.2 196.2,0.0 1518.8,0.0 1518.9,132.7 1578.6,133.1 1564.4,1852.5 195.5,1854.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[880.0,707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9878703,45.5273046]}},{"type":"Feature","properties":{"resourceCoords":[880.0,134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9878485,45.5283627]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p20","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.2,747.7 82.4,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0 -0.0,747.3 71.2,747.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[469.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9899716,45.514319]}},{"type":"Feature","properties":{"resourceCoords":[1284.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9925008,45.5128332]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021__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 | 1948 | sanborn07379_007 p21 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4262.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3390.0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1065.5 1515.4,1065.5 0.0,1066.8 0.0,1070.1 0.0,1913.0 1106.0,1913.0 1397.0,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[761.0,1105.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9827021,45.516252]}},{"type":"Feature","properties":{"resourceCoords":[1447.0,1105.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9808756,45.5162353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021__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 | 1948 | sanborn07379_007 p21 [2]","metadata":[{"label":"streets","value":"4"},{"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":"4267.2"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"838.3,208.2 839.1,0.0 170.2,0.0 187.0,751.9 207.5,752.0 211.4,1066.6 1515.4,1065.5 1613.0,1065.5 1613.0,208.4 838.3,208.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[836.0,751.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9863422,45.5150121]}},{"type":"Feature","properties":{"resourceCoords":[155.0,751.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9881291,45.5150259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p22","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,748.2 1382.6,752.4 1391.7,1913.0 -0.0,1913.0 -0.0,68.2 1613.0,59.5 1613.0,748.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.0,1411.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9791589,45.5137454]}},{"type":"Feature","properties":{"resourceCoords":[829.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9790938,45.5162186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0023__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 | 1948 | sanborn07379_007 p23 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"},{"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":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0023__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1240.1 -0.0,1913.0 1055.4,1913.0 1072.9,1292.0 869.5,1162.5 866.5,895.4 1613.0,895.1 1613.0,0.0 1514.8,0.0 1517.4,205.8 700.1,197.8 691.0,27.0 119.7,45.9 119.6,198.2 58.6,197.7 57.5,544.8 119.3,544.9 115.4,1238.9 -0.0,1240.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[385.0,545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9756228,45.5174704]}},{"type":"Feature","properties":{"resourceCoords":[57.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9773781,45.5149376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p24","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"26"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.6,1848.3 112.7,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,215.7 1566.5,215.9 1570.5,1150.2 1280.8,1151.2 1276.3,1842.7 1221.8,1843.8 1221.2,1760.6 1091.8,1751.4 439.8,1762.5 441.3,1847.8 111.6,1848.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[461.0,235.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9954301,45.5286356]}},{"type":"Feature","properties":{"resourceCoords":[546.0,1499.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9951117,45.5239978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1851.3 44.6,1853.5 60.1,136.3 -0.0,135.8 -0.0,-0.0 1613.0,0.0 1613.0,1851.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98615947911323,45.52859923053395]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98193234690085,45.52855786532441]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98200188248046,45.5250208642939]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98622901469284,45.52506222950344]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0004__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 | 1948 | sanborn07379_007 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"},{"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":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.7,-0.0 1438.7,0.0 1438.7,257.2 1217.0,254.4 1217.0,0.0 1140.6,0.0 112.8,-0.0 135.2,1913.0 1471.6,1913.0 1450.7,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1471.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9912152,45.5226863]}},{"type":"Feature","properties":{"resourceCoords":[113.0,20.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.98611,45.5251711]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p5","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1149.3,194.3 1148.4,-0.0 1500.1,-0.0 1484.2,1854.8 112.2,1832.7 117.0,295.7 -0.0,295.2 8.3,182.7 1149.3,194.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9825176,45.5251401]}},{"type":"Feature","properties":{"resourceCoords":[1491.0,492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.982552,45.5225977]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"797.4,974.9 796.0,838.2 1524.8,842.7 1499.0,1712.5 1145.2,1716.1 1148.1,1913.0 -0.0,1913.0 -0.0,0.0 173.0,-0.0 107.0,914.5 797.4,974.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.97671660314988,45.52526425374214]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.9767997660019,45.52230037924666]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98178182326517,45.522369968419554]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98169866041314,45.52533384291503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p7","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.2,-0.0 1536.5,1569.5 1573.3,1913.0 156.5,1913.0 166.3,1270.6 -0.0,1270.7 -0.0,0.0 1534.2,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1531.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9957728,45.52016]}},{"type":"Feature","properties":{"resourceCoords":[166.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9957651,45.5227277]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.3,71.6 1540.3,1693.2 -0.0,1713.0 -0.0,1455.3 164.8,1454.6 162.5,71.3 1535.3,71.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98779087312064,45.52295171319665]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.98785409914848,45.51996770831987]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99286978377488,45.52002061693701]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.99280655774704,45.52300462181379]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hillsboro, Oregon | 1948 | sanborn07379_007 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-23T04:10:44Z","modified":"2026-09-23T04:10:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.4,91.0 1528.0,96.0 1524.8,1758.7 158.2,1759.5 163.4,91.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073791948:07379_1948-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[159.0,1462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9880387,45.5201134]}},{"type":"Feature","properties":{"resourceCoords":[1528.0,96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9843767,45.5226138]}}]}}]}