{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09315_012.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Seattle, Washington | 1929 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"105"},{"label":"placed","value":"93"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef 63, georef-snap 27, snap:0 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"12 sheet(s) cut into 26 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 47.56592,-122.38963 +/-4947m); p306__1 (tier 1, 47.59020,-122.38129 +/-223m); p333 (tier 1, 47.54065,-122.38785 +/-257m); p355 (tier 2, 47.57584,-122.41836 +/-100m); p356__1 (tier 1, 47.58076,-122.37739 +/-166m); p363__1 (tier 2, 47.57981,-122.40518 +/-231m); p365 (tier 1, 47.58386,-122.39854 +/-241m); p366__2 (tier 1, 47.58298,-122.39842 +/-100m); p367__1 (tier 1, 47.58931,-122.39403 +/-208m); p367__2 (tier 1, 47.58942,-122.39381 +/-210m); p367__3 (tier 1, 47.58931,-122.39370 +/-212m); p371 (tier 2, 47.56081,-122.40128 +/-731m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0301/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p301","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0301/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0301","type":"ImageService3","width":1611,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1920.0 -0.0,-0.0 1611.0,0.0 1611.0,421.9 1535.2,385.0 1509.1,1269.8 1534.3,1744.2 748.2,1715.5 380.2,1920.0 -0.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0301/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1143.0,1502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3872989,47.5919315]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,1502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3861416,47.5919371]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p302","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0302/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0302","type":"ImageService3","width":1611,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.9,1920.0 -0.0,1157.6 -0.0,217.4 82.2,254.2 74.6,0.0 749.1,0.0 887.0,204.8 921.8,206.1 929.1,0.0 1611.0,0.0 1611.0,1920.0 1276.1,1920.0 1151.9,1703.3 295.2,1704.2 284.2,1920.0 42.9,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0302/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38616687834646,47.594531393510096]}},{"type":"Feature","properties":{"resourceCoords":[1611.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3817823047915,47.594464250064576]}},{"type":"Feature","properties":{"resourceCoords":[1611.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38190013063713,47.590915284421776]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3862847041921,47.590982427867296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p303","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0303/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0303","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.4,1920.0 -0.0,1920.0 -0.0,-0.0 799.6,0.0 808.9,247.3 1212.8,232.1 1397.0,106.6 1399.3,1854.4 251.2,1867.7 154.4,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0303/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1546.0,470.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3886188,47.5906404]}},{"type":"Feature","properties":{"resourceCoords":[943.0,1163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3903276,47.589394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p304","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0304/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0304","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1496.6,1834.9 -0.0,1847.2 -0.0,105.7 198.0,0.0 1031.2,0.0 1033.9,258.6 1212.4,257.4 1214.0,462.8 1486.7,529.5 1496.6,1834.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0304/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1036.0,468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.386179,47.5905922]}},{"type":"Feature","properties":{"resourceCoords":[148.0,468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3886188,47.5906404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0305/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p305","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"25"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0305/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0305","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"714.0,1920.0 254.9,1920.0 276.0,1820.0 276.0,496.1 -0.0,426.3 -0.0,218.0 61.4,218.1 64.2,0.0 933.0,0.0 1057.6,219.1 1394.0,219.4 1394.2,0.0 1605.0,0.0 1605.0,1876.5 1605.0,1876.5 1538.4,1871.6 1537.7,1920.0 1325.2,1920.0 1324.6,1784.5 875.7,1778.8 714.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0305/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[276.0,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3850235,47.5880323]}},{"type":"Feature","properties":{"resourceCoords":[276.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3849458,47.5904536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0306__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p306 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4272.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2148.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0306__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0306","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1355.1,693.0 1068.3,809.5 1068.0,1920.0 1207.0,1920.0 1494.0,1920.0 1605.0,1920.0 1605.0,-0.0 1074.8,-0.0 1355.1,693.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0306__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1068.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38046207552549,47.587802477607674]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37978418601361,47.5886811358798]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37513969577294,47.5870477877178]}},{"type":"Feature","properties":{"resourceCoords":[1068.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37581758528482,47.58616912944567]}},{"type":"Feature","properties":{"resourceCoords":[1105.9,910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3782129,47.5870904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p307","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0307/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0307","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 612.2,0.0 610.8,94.7 762.0,96.9 836.1,49.2 1483.6,46.6 1469.2,1834.3 653.9,1830.9 653.4,1920.0 -0.0,1920.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0307/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[656.0,1456.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3929073,47.5854771]}},{"type":"Feature","properties":{"resourceCoords":[1069.0,717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3917189,47.5868598]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0308/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p308","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0308/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0308","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1030.5,1913.9 -0.0,1902.0 -0.0,92.1 624.9,89.8 625.0,0.0 1505.8,0.0 1497.0,1865.0 1030.5,1913.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0308/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39465357668142,47.58479284954755]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39022749608404,47.584732352423124]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39033403547826,47.58113571870944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39476011607564,47.58119621583386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0309/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0309","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1835.2 -0.0,40.6 1538.2,38.4 1536.0,1810.9 -0.0,1835.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0309/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39052641328863,47.588189295335276]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38608288031338,47.58811611653498]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38621176156633,47.58450554189724]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39065529454157,47.584578720697536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0310/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p310","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0310/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0310","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.0,1850.0 69.8,0.0 979.2,0.0 979.3,0.0 1530.7,0.0 1504.8,1850.4 49.0,1850.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0310/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1049.0,370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.387763,47.5840244]}},{"type":"Feature","properties":{"resourceCoords":[49.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3906289,47.5812428]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0311/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p311","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0311/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0311","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.9,1920.0 101.5,38.9 560.0,38.8 538.6,138.4 996.0,140.3 1140.6,0.0 1605.0,8.0 1605.0,303.6 1355.2,706.0 1392.1,706.1 1297.5,1920.0 86.9,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0311/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1355.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3828926,47.5867822]}},{"type":"Feature","properties":{"resourceCoords":[96.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3863171,47.5868224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0312/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p312","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"25"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0312/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0312","type":"ImageService3","width":1605,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.0,123.4 1257.7,103.2 1246.1,656.2 1362.4,651.4 1368.7,1205.4 1234.5,1211.1 1228.3,1507.5 1247.2,1850.7 73.3,1902.0 38.0,123.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0312/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[993.0,1427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3838806,47.582026]}},{"type":"Feature","properties":{"resourceCoords":[528.0,420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.385057,47.5839852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p313 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6368.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1398.2,1715.0 1592.0,1686.1 1592.0,724.7 1398.4,725.9 1396.2,725.9 1081.1,0.0 386.4,0.0 389.3,49.4 171.1,43.8 181.5,237.6 175.2,240.8 -0.0,586.9 -0.0,1920.0 1278.6,1920.0 1398.2,1715.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1337.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3795582,47.5844619]}},{"type":"Feature","properties":{"resourceCoords":[-38.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3828926,47.5867822]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p313 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4324.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2043.6"},{"label":"split_canvas_h","value":"2903.6"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1592.0,0.0 1081.1,0.0 1396.2,725.9 1398.4,725.9 1592.0,724.7 1592.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0313__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1081.1,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38465306476836,47.58325496615933]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3832671590556,47.583260430134445]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,725.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38325572983011,47.581923043318824]}},{"type":"Feature","properties":{"resourceCoords":[1081.1,725.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38464163554286,47.58191757934371]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0314/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p314","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0314/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0314","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.3,1920.0 -0.0,1276.2 135.0,1267.6 117.0,709.8 -0.0,717.2 -0.0,160.0 1154.0,190.9 1272.3,0.0 1592.0,0.0 1592.0,1114.2 1436.0,1123.0 1475.0,1830.6 1592.0,1824.1 1592.0,1869.2 26.3,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0314/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[857.0,667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3806559,47.5834535]}},{"type":"Feature","properties":{"resourceCoords":[1436.0,1123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3791249,47.5825184]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p315 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6368.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1009.2,16.6 534.9,793.8 0.0,789.8 -0.0,1550.1 157.9,1736.3 -0.0,1870.2 -0.0,1920.0 150.0,1920.0 368.0,1920.0 568.9,1920.0 569.4,1857.7 1389.7,1861.0 1423.9,23.4 1009.2,16.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[484.0,1473.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.397228,47.5819537]}},{"type":"Feature","properties":{"resourceCoords":[1497.0,1473.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3944647,47.5819511]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p315 [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":"4077.2"},{"label":"split_canvas_h","value":"3175.2"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,236.9 428.6,488.8 715.0,0.0 0.0,-0.0 -0.0,236.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0315__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.1,632.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.395211,47.5841456]}},{"type":"Feature","properties":{"resourceCoords":[893.3,205.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3940385,47.5854957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0316/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p316","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0316/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0316","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"457.9,1836.6 80.5,1812.0 30.6,1120.6 183.1,1109.4 164.6,19.6 1592.0,0.0 1592.0,1920.0 471.4,1920.0 457.9,1836.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0316/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[54.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3791451,47.5818295]}},{"type":"Feature","properties":{"resourceCoords":[608.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3776512,47.5810442]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0317/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p317","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0317/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0317","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1920.0 25.9,52.4 1592.0,68.7 1592.0,1920.0 -0.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0317/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1022.0,875.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3941824,47.5793499]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3965119,47.5792592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0318/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p318","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0318/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0318","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"503.6,1783.6 501.1,1920.0 83.4,1920.0 86.0,74.8 506.0,81.0 506.2,161.2 1507.0,164.4 1508.2,1762.2 503.6,1783.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0318/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[506.0,1328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.395416,47.5775397]}},{"type":"Feature","properties":{"resourceCoords":[506.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.392032,47.57752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0319/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p319","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0319/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0319","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1481.3,-0.0 1482.0,55.6 1413.7,55.5 1429.8,1859.3 158.2,1860.3 114.1,1646.2 102.2,41.4 1049.0,54.9 1047.8,-0.0 1481.3,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0319/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.389318,47.5793403]}},{"type":"Feature","properties":{"resourceCoords":[1056.0,495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3879377,47.5793209]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0320/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p320","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0320/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0320","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1463.2,1847.2 1462.8,1920.0 552.8,1920.0 552.4,1847.1 -0.0,1840.7 -0.0,53.8 1592.0,70.8 1592.0,1846.1 1463.2,1847.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0320/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[787.0,497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3880112,47.5770153]}},{"type":"Feature","properties":{"resourceCoords":[787.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.386716,47.5770049]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0321/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p321","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0321/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0321","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1057.0,1629.3 52.6,1621.2 31.5,386.0 1494.8,358.9 1515.2,1568.3 1055.4,1571.2 1057.0,1629.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0321/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[46.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3851877,47.5811929]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,417.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3832932,47.5783448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0322/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p322","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0322/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0322","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"807.0,73.3 1526.8,99.5 1527.1,1789.9 -0.0,1767.8 -0.0,464.2 137.0,464.0 136.7,289.5 806.3,289.3 807.0,73.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0322/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38186800334311,47.57842009790545]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38191147010431,47.5754851449009]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38712173347668,47.575520758436106]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38707826671548,47.578455711440654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0323/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p323","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0323/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0323","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1920.0 -0.0,258.0 1396.7,286.7 1386.9,1643.0 1072.7,1642.7 1072.4,1920.0 -0.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0323/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1073.0,1294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3802401,47.5792918]}},{"type":"Feature","properties":{"resourceCoords":[1470.0,1294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3791758,47.5792857]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0324/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p324","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0324/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0324","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1282.9,1680.7 189.8,1676.4 216.2,950.9 -0.0,950.1 -0.0,275.3 886.1,274.2 886.1,0.0 1280.1,0.0 1282.9,1680.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0324/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[498.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3813056,47.5783169]}},{"type":"Feature","properties":{"resourceCoords":[883.0,1680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3803013,47.5755883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0325/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p325","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0325/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0325","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1592.0,1920.0 85.9,1920.0 83.1,1632.4 -0.0,1632.9 -0.0,298.8 486.2,317.6 477.4,402.1 1592.0,479.2 1592.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0325/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37933657797551,47.58165805185738]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37502763966754,47.58161177701955]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37510979327404,47.57808153175779]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.379418731582,47.57812780659562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0326/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p326","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0326/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0326","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.0,307.2 1550.1,310.3 1550.7,0.0 1592.0,0.0 1592.0,1920.0 1565.1,1920.0 1564.7,1542.9 851.6,1543.6 851.7,1688.9 60.7,1692.0 53.0,307.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0326/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[451.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3781165,47.5774374]}},{"type":"Feature","properties":{"resourceCoords":[451.0,1691.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3781548,47.5755718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0327/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p327","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0327/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0327","type":"ImageService3","width":1592,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1592.0,184.1 1592.0,1920.0 168.2,1920.0 156.5,203.2 1592.0,184.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0327/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1014.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3894285,47.573858]}},{"type":"Feature","properties":{"resourceCoords":[1014.0,196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.386792,47.5738247]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0328/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p328","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0328/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0328","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.0,1920.0 1481.2,1920.0 1481.2,1920.0 71.3,1920.0 103.0,199.8 1518.2,196.7 1515.7,287.4 1573.0,287.6 1573.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0328/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[936.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3867846,47.5712551]}},{"type":"Feature","properties":{"resourceCoords":[1486.0,1685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.390804,47.5702521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0329/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p329","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0329/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0329","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"169.1,60.9 1408.6,70.2 1412.2,1134.8 1412.2,1134.8 1414.7,1851.0 155.8,1848.4 169.1,60.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0329/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1367.0,787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3835911,47.5731723]}},{"type":"Feature","properties":{"resourceCoords":[1367.0,1135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3846371,47.5731751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0330/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p330","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0330/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0330","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1468.1,517.2 1462.9,1882.2 -0.0,1886.0 -0.0,0.0 1573.0,-0.0 1573.0,516.6 1468.1,517.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0330/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38130361296193,47.57308200940801]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38130620871355,47.56997302542463]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3868915037006,47.569975178109786]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38688890794897,47.57308416209317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0331/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p331","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0331/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0331","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.2,0.0 1573.0,0.0 1573.0,1920.0 1155.0,1920.0 1151.6,1623.4 49.8,1635.8 47.2,1390.5 -0.0,1391.0 -0.0,73.0 1532.0,72.0 1532.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0331/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[770.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3792177,47.57558]}},{"type":"Feature","properties":{"resourceCoords":[1146.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3781548,47.5755718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0332/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p332","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0332/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0332","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1920.0 -0.0,1358.4 42.6,1358.5 43.1,0.0 1131.8,0.0 1131.8,291.1 1544.8,295.7 1548.2,0.0 1573.0,0.0 1573.0,1540.2 1388.1,1540.2 1389.5,1920.0 -0.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0332/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38142724437068,47.57261383696206]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37692664368139,47.572613192461084]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37692780151258,47.56888074387778]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38142840220188,47.568881388378756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0334/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p334","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0334/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0334","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.7,1416.8 1495.7,1920.0 -0.0,1920.0 -0.0,66.0 1508.2,63.9 1498.6,1417.4 1534.7,1416.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0334/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1496.0,514.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3881308,47.5647591]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3921439,47.5647696]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0335/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p335","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0335/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0335","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1258.3,1830.4 1258.2,1920.0 68.9,1920.0 72.8,513.6 175.3,512.9 174.2,52.2 713.7,50.8 713.6,-0.0 1573.0,-0.0 1573.0,56.3 1304.5,60.0 1315.2,509.4 1573.0,509.3 1573.0,1830.4 1258.3,1830.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0335/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[519.0,511.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3828065,47.5692781]}},{"type":"Feature","properties":{"resourceCoords":[519.0,71.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3814874,47.5692755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0336/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p336","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0336/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0336","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1497.5,91.9 1573.0,93.4 1573.0,1855.0 228.3,1824.8 260.2,490.9 -0.0,484.8 -0.0,30.9 594.5,38.8 631.8,11.2 1498.5,32.1 1497.5,91.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0336/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[534.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3867797,47.5665404]}},{"type":"Feature","properties":{"resourceCoords":[1498.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3814605,47.5646838]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0337/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p337","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0337/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0337","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1292.7,832.9 1294.9,1920.0 133.0,1920.0 137.3,1505.2 171.8,1428.2 135.8,1428.8 145.3,80.3 1573.0,71.0 1573.0,691.8 1292.7,832.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0337/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1024.0,527.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3881378,47.5629462]}},{"type":"Feature","properties":{"resourceCoords":[1024.0,1423.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3908401,47.5629534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0338/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p338","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0338/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0338","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.0,1859.0 606.6,1845.8 605.9,1920.0 -0.0,1912.8 -0.0,827.5 277.8,688.5 279.1,73.8 1496.6,92.2 1488.0,1859.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0338/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1488.0,529.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3881625,47.5593415]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3922137,47.5593466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0339/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p339","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0339/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0339","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.0,494.3 1573.0,1849.1 220.4,1842.5 195.6,57.6 119.6,57.1 119.7,-0.0 993.4,5.0 1030.2,33.6 1030.8,-0.0 1573.0,-0.0 1573.0,41.0 1392.8,40.0 1382.5,494.6 1573.0,494.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0339/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38138422657843,47.56492222918029]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38135249535175,47.56179088292085]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38697709028384,47.561764563779505]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38700882151052,47.56489591003894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0340/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p340","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0340/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0340","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.0,276.2 1433.9,275.1 1427.3,1845.7 217.8,1843.7 187.6,509.1 -0.0,513.6 -0.0,65.5 271.8,61.4 359.5,-0.0 507.2,56.0 1573.0,34.8 1573.0,276.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0340/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38127832817565,47.562146937161614]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38135202902232,47.55896910748907]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38705983282361,47.55903024096206]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38698613197694,47.562208070634604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0341/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p341","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0341/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0341","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1006.6,1636.9 1005.5,1577.8 959.1,1577.7 960.3,1894.7 42.9,1891.7 20.6,91.8 1439.0,91.5 1438.9,1636.4 1006.6,1636.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0341/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3868903,47.5574641]}},{"type":"Feature","properties":{"resourceCoords":[1474.0,1107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3897046,47.5566557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0342/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p342","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0342/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0342","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"873.3,1920.0 189.7,1920.0 184.1,1646.9 -0.0,1646.8 -0.0,0.0 30.6,-0.0 30.9,78.2 135.2,78.7 135.2,78.2 1513.8,79.5 1508.9,1446.9 571.3,1478.5 873.3,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0342/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38669283016742,47.556682369714494]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38677296133896,47.553781643095064]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39198250394752,47.55384811738553]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39190237277597,47.55674884400496]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0343/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p343","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0343/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0343","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.5,1707.6 37.4,-0.0 1573.0,-0.0 1573.0,29.9 1478.9,30.8 1492.7,1623.2 1462.3,1623.3 1462.7,1701.3 43.5,1707.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0343/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38216092068207,47.559328351071414]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38226206624826,47.55640577828449]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38751110998317,47.55648968119122]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38740996441697,47.559412253978145]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0344/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p344","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0344/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0344","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1479.2,1712.2 -0.0,1706.1 -0.0,-0.0 1478.2,-0.0 1479.2,1712.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0344/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[88.0,1706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.386911,47.5564694]}},{"type":"Feature","properties":{"resourceCoords":[510.0,1706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3869279,47.5557065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0345/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p345","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0345/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0345","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"25.1,196.1 1573.0,194.1 1573.0,1701.9 20.3,1701.8 25.1,196.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0345/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1003.0,1228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3898244,47.552147]}},{"type":"Feature","properties":{"resourceCoords":[1003.0,196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3870366,47.5521105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0346/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p346","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0346/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0346","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.7,201.6 1488.6,200.0 1488.5,1704.2 84.4,1701.0 83.7,201.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0346/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[501.0,1701.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3911568,47.5503607]}},{"type":"Feature","properties":{"resourceCoords":[501.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3870796,47.550306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0347/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p347","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0347/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0347","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.0,1705.0 -0.0,1699.0 -0.0,0.0 1573.0,-0.0 1573.0,1705.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0347/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38235001422133,47.553910205191436]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38241189337174,47.55101387227301]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38764813990605,47.551064866116754]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38758626075564,47.55396119903518]}},{"type":"Feature","properties":{"resourceCoords":[1002.0,1704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3870366,47.5521105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0348/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p348","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0348/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0348","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"877.5,194.6 1573.0,196.1 1573.0,1710.9 94.3,1714.2 82.5,-0.0 539.8,-0.0 734.9,153.8 877.5,194.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0348/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[511.0,209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3830544,47.5502481]}},{"type":"Feature","properties":{"resourceCoords":[511.0,1712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3870796,47.550306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0349/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p349","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0349/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0349","type":"ImageService3","width":1564,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1013.6,1583.1 27.4,1587.0 22.2,80.3 1564.0,73.4 1564.0,1920.0 1015.0,1920.0 1013.6,1583.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0349/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1012.0,1109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3899851,47.5467277]}},{"type":"Feature","properties":{"resourceCoords":[1012.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3872029,47.5466838]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0350/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p350","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0350/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0350","type":"ImageService3","width":1564,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1500.8,72.4 1474.3,1506.1 1564.0,1506.8 1564.0,1920.0 -0.0,1920.0 50.4,1910.7 83.7,68.0 1500.8,72.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0350/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1478.0,1101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3900393,47.5431251]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3887239,47.5431204]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0351/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p351","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0351/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0351","type":"ImageService3","width":1564,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.5,1694.5 87.9,206.2 1002.0,208.4 1002.1,424.1 1357.5,421.1 1357.9,349.1 1500.8,419.8 1564.0,536.4 1564.0,1686.0 92.5,1694.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0351/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38251265023773,47.54848171630725]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38261611630385,47.545584243948774]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38784911159101,47.54567058073031]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38774564552489,47.548568053088786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0352/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p352","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0352/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0352","type":"ImageService3","width":1564,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.3,1720.8 63.7,567.9 -0.0,490.6 -0.0,228.3 1488.0,207.7 1471.9,1700.1 62.3,1720.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0352/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[484.0,1177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3857602,47.5448633]}},{"type":"Feature","properties":{"resourceCoords":[484.0,217.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.383151,47.5448224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0353/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p353","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0353/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0353","type":"ImageService3","width":1564,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"710.9,1478.8 695.9,1527.1 246.8,1755.6 136.9,1851.1 141.6,1920.0 -0.0,1920.0 108.2,1903.6 108.2,1494.5 19.4,1493.8 45.6,74.2 1311.0,75.0 1337.2,-0.0 1322.8,900.6 1407.6,1120.9 1407.5,1493.9 710.9,1478.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0353/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[465.0,1091.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3900412,47.5423063]}},{"type":"Feature","properties":{"resourceCoords":[1311.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3872647,47.540729]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0354/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p354","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0354/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0354","type":"ImageService3","width":1564,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1477.5,1920.0 605.5,1920.0 603.5,1713.0 95.8,1719.0 89.1,1247.9 -0.0,1064.5 -0.0,0.0 39.7,-0.0 38.2,186.0 1158.6,171.9 1216.2,321.0 1564.0,323.9 1564.0,692.7 1370.3,697.1 1459.3,909.1 1474.9,1702.8 1564.0,1728.8 1564.0,1874.5 1477.2,1875.0 1477.5,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0354/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3867589526305,47.54067530994146]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38684847266566,47.53780139741423]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39203798003015,47.5378761104902]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39194845999499,47.54075002301744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0356__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p356 [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":"6256.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0356__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0356","type":"ImageService3","width":1564,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1564.0,1531.5 1564.0,76.5 1390.8,81.3 1387.1,0.0 -0.0,-0.0 0.0,580.1 955.3,1920.0 955.5,1920.0 1160.0,1920.0 1375.0,1920.0 1480.2,1920.0 1461.4,1463.4 1564.0,1531.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0356__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[583.0,892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4182012,47.574645]}},{"type":"Feature","properties":{"resourceCoords":[233.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4190729,47.5751431]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0357/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p357","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0357/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0357","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"164.5,1693.0 170.1,1570.5 -0.0,1567.4 -0.0,-0.0 1482.5,0.0 1447.2,16.1 1454.5,1699.3 164.5,1693.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0357/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[972.0,1561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4133431,47.5759565]}},{"type":"Feature","properties":{"resourceCoords":[1454.0,1561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4120543,47.5759381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0358/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p358","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0358/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0358","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.2,0.0 1437.2,0.0 1451.9,1842.4 1211.8,1846.2 1212.2,1920.0 -0.0,1920.0 -0.0,1222.0 97.6,1292.2 151.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0358/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.41591537415707,47.57575613889086]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4117529642223,47.57568299020904]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.41188616027164,47.572184513123375]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4160485702064,47.572257661805196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0359/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p359","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0359/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0359","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.0,839.5 -0.0,839.7 -0.0,-0.0 1552.0,0.0 1552.0,41.5 1476.5,92.3 1493.8,1761.6 27.4,1762.0 16.8,855.8 52.0,839.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0359/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[515.0,1383.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4106884,47.5777524]}},{"type":"Feature","properties":{"resourceCoords":[999.0,1383.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4093943,47.5777304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0360/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p360","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0360/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0360","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.0,632.1 1552.0,1920.0 15.8,1920.0 6.1,-0.0 1456.8,0.0 1459.0,560.5 1511.4,632.4 1552.0,632.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0360/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[497.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4107334,47.5759196]}},{"type":"Feature","properties":{"resourceCoords":[977.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4094362,47.5758978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0361/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p361","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0361/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0361","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 653.0,0.0 652.8,83.4 1552.0,90.7 1552.0,1761.4 454.7,1784.5 457.6,1920.0 -0.0,1920.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0361/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.41133182306628,47.572486851229314]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40709253227486,47.57243185923202]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40719266066631,47.5688685420222]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.41143195145773,47.5689235340195]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0362/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p362","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0362/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0362","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.0,1920.0 -0.0,1920.0 -0.0,-0.0 1552.0,0.0 1552.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0362/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.41018288838889,47.56915891301307]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40593365555631,47.56916461681659]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40592327081347,47.565592724458796]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.41017250364605,47.56558702065527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0363__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p363 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"22"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6208.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0363__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0363","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1466.5,514.7 1321.7,515.8 1189.1,395.2 -0.0,398.6 0.0,1313.8 428.7,1920.0 564.6,1920.0 565.1,1809.7 606.1,1809.9 656.0,1884.7 1483.3,1878.3 1466.5,514.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0363__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[972.0,1377.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.406675,47.579442]}},{"type":"Feature","properties":{"resourceCoords":[972.0,1205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4062098,47.5794355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0364/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p364","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0364/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0364","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1433.2,1838.2 1361.8,1864.5 -0.0,1850.6 -0.0,0.0 1552.0,-0.0 1552.0,1776.1 1433.9,1774.2 1433.2,1838.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0364/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[983.0,869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4053854,47.5766896]}},{"type":"Feature","properties":{"resourceCoords":[442.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4080762,47.577708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0366__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p366 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6208.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0366__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0366","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1920.0 132.4,1920.0 268.2,1765.9 445.5,1920.0 1226.2,1920.0 1302.1,1230.0 1552.0,1227.8 1552.0,-0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0366__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[302.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4004468,47.5831118]}},{"type":"Feature","properties":{"resourceCoords":[134.0,700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4020186,47.5826141]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0368/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p368","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0368/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0368","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1920.0 -0.0,0.0 1552.0,-0.0 1552.0,33.9 1357.5,175.1 1380.7,831.3 1192.5,843.6 1262.6,1920.0 -0.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0368/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38341924082421,47.59705478815292]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38367074381497,47.59411203559958]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38903138748704,47.59432333534922]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38877988449627,47.597266087902554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p369 [1]","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6208.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"292.0,1920.0 330.8,1920.0 331.5,1351.2 907.6,1355.5 911.6,1920.0 917.8,1920.0 919.6,1727.4 1488.3,1732.8 1488.5,1672.3 1552.0,1672.4 1541.0,141.9 67.4,150.7 67.3,275.5 -0.0,276.0 -0.0,996.3 78.2,996.5 76.3,1920.0 292.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[495.0,273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3920785,47.5738807]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4001511,47.5703498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p369 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"1323.2"},{"label":"split_canvas_y","value":"5404.8"},{"label":"split_canvas_w","value":"2323.2"},{"label":"split_canvas_h","value":"2275.2"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369","type":"ImageService3","width":1552,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"876.8,1920.0 878.3,1355.3 331.5,1351.2 330.8,1920.0 876.8,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0369__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[679.1,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.402795,47.5711368]}},{"type":"Feature","properties":{"resourceCoords":[878.7,1385.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4001511,47.5703498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0370/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p370","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"25"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0370/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0370","type":"ImageService3","width":1563,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.0,1649.9 1563.0,1920.0 970.2,1920.0 624.3,1802.8 352.7,1034.7 44.8,1033.3 37.0,393.6 74.0,393.3 71.1,-0.0 1563.0,-0.0 1563.0,456.2 1226.0,1650.5 1563.0,1649.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0370/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[969.0,918.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4073691,47.5722643]}},{"type":"Feature","properties":{"resourceCoords":[969.0,1801.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4121492,47.5723306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p372 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4520.0"},{"label":"split_canvas_w","value":"2230.4"},{"label":"split_canvas_h","value":"3160.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372","type":"ImageService3","width":1563,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"530.1,1920.0 532.9,1771.5 528.8,1238.2 489.9,1130.0 0.0,1131.5 0.0,1728.8 0.0,1920.0 530.1,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1130.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40284647111477,47.56582660117365]}},{"type":"Feature","properties":{"resourceCoords":[557.6,1130.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40004267037138,47.56581954397119]}},{"type":"Feature","properties":{"resourceCoords":[557.6,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40005739331282,47.56311888524321]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40286119405621,47.56312594244567]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p372 [2]","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"31"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6252.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372","type":"ImageService3","width":1563,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.1,429.2 410.0,425.6 421.0,1130.2 489.9,1130.0 556.0,1313.9 557.6,1920.0 613.0,1920.0 834.0,1920.0 1563.0,1920.0 1563.0,1588.5 992.4,1572.8 989.9,1327.3 1478.0,1322.5 1478.8,1579.9 1563.0,1582.9 1563.0,579.6 1452.8,578.4 1450.4,87.9 1045.0,87.5 1044.4,182.2 590.3,179.1 591.2,119.6 793.0,120.0 913.3,80.2 815.5,0.0 182.4,0.0 180.1,429.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0372__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1231.0,1571.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4015534,47.5649205]}},{"type":"Feature","properties":{"resourceCoords":[793.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4038282,47.5702669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0373/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p373","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0373/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0373","type":"ImageService3","width":1563,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,575.0 -0.0,83.2 113.7,83.8 113.4,146.6 1563.0,150.1 1563.0,765.9 1474.7,766.3 1484.8,1727.8 1277.0,1725.0 1276.6,1920.0 765.4,1920.0 766.3,1718.3 105.8,1709.6 106.3,1588.4 106.3,1582.8 111.3,576.8 -0.0,575.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0373/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40024641868422,47.57065653923496]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39182783416958,47.57060612560529]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3919189741736,47.56357924619021]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40033755868825,47.56362965981988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0374/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p374","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0374/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0374","type":"ImageService3","width":1563,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1920.0 -0.0,210.7 74.3,210.0 72.5,0.0 725.0,0.0 726.7,200.6 1231.5,193.8 1229.2,0.0 1434.4,0.0 1441.7,849.0 1483.1,848.6 1485.7,1341.0 1563.0,1340.0 1563.0,1920.0 -0.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0374/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[987.0,855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3948745,47.5611755]}},{"type":"Feature","properties":{"resourceCoords":[728.0,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3962276,47.5630034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0375/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p375","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0375/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0375","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.8,1920.0 117.5,369.9 -0.0,369.0 -0.0,206.4 23.6,206.5 24.1,236.9 337.3,237.8 339.6,375.9 685.0,377.1 533.2,153.5 556.2,144.2 1006.9,139.3 1006.4,205.8 1497.5,208.2 1474.9,1881.7 1571.0,1883.0 1571.0,1920.0 106.8,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0375/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38986589350272,47.55761798525554]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38999305909343,47.55188316027645]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4003055126859,47.55198878798571]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40017834709519,47.5577236129648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0376/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p376","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0376/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0376","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1480.3,1119.8 1571.0,1119.0 1571.0,1920.0 -0.0,1920.0 0.5,264.9 1468.2,253.7 1480.3,1119.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0376/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3896676869772,47.5521369352539]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3899091425524,47.546339179786045]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40033366436528,47.546539761379336]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40009220879008,47.55233751684719]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0377/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p377","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0377/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0377","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"637.9,102.4 1336.8,92.6 1341.5,1135.2 1376.4,1132.1 1435.2,1199.0 1546.4,1409.3 1571.0,1416.3 1571.0,1766.5 1355.4,1771.1 1348.9,1472.0 449.9,1492.7 459.7,1920.0 -0.0,1920.0 -0.0,192.4 638.5,193.2 637.9,102.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0377/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39941858914806,47.54723200982628]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39090078629916,47.54707481777966]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39118339103344,47.539998150019464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39970119388234,47.540155342066086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0378/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p378","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"22"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0378/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0378","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"901.3,0.0 901.0,302.0 1070.9,301.9 1571.0,952.5 1571.0,1748.8 1255.0,1835.0 848.4,1830.5 848.1,1920.0 -0.0,1920.0 -0.0,-0.0 901.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0378/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1354.0,1270.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3898999,47.5370252]}},{"type":"Feature","properties":{"resourceCoords":[1255.0,1835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3904481,47.5349625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p379 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4266.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.6,1920.0 371.3,1920.0 493.8,1780.8 518.7,1805.0 523.2,1847.0 766.8,1851.7 767.1,1920.0 1007.3,1920.0 1008.8,1583.2 1065.3,1582.8 1066.3,226.9 1011.6,226.2 1014.5,0.0 769.4,0.0 770.0,202.8 61.0,202.4 59.5,680.2 28.2,680.1 29.0,858.0 44.6,878.3 41.5,1833.3 26.1,1853.6 276.6,1854.4 276.6,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[770.4,344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3774508,47.5683668]}},{"type":"Feature","properties":{"resourceCoords":[523.2,1847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3787812,47.5628953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p379 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"4260.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2024.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1405.2,1920.0 1571.0,1920.0 1571.0,-0.0 1213.0,-0.0 1213.0,35.5 1234.3,35.4 1235.5,879.2 1248.6,879.1 1258.9,1697.0 1405.1,1695.1 1405.2,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0379__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1405.0,1268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3761053,47.5711824]}},{"type":"Feature","properties":{"resourceCoords":[1405.0,1529.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3761235,47.5702266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0380/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p380","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"30"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0380/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0380","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"395.8,668.0 354.1,609.2 354.6,557.3 376.8,557.3 376.6,263.0 607.0,265.0 606.6,330.1 700.6,330.6 823.0,193.2 847.5,217.4 851.8,259.1 1093.5,265.2 1093.4,332.9 1331.8,334.4 1335.2,0.0 1571.0,0.0 1571.0,1920.0 1307.9,1920.0 1309.1,1757.7 593.0,1738.5 573.2,1770.8 570.5,1920.0 203.4,1920.0 221.1,1323.4 348.6,1326.2 354.3,739.0 395.8,668.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0380/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1091.0,761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3774647,47.56106]}},{"type":"Feature","properties":{"resourceCoords":[607.0,265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3801113,47.562868]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0381/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p381","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0381/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0381","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"872.6,1623.0 385.9,1622.8 383.7,1920.0 245.8,1920.0 236.2,530.5 251.3,530.6 252.2,426.1 620.9,418.2 620.5,269.4 639.7,236.7 1359.5,240.6 1361.7,402.5 1571.0,398.0 1571.0,1712.4 872.6,1719.2 872.6,1623.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0381/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38357729545824,47.55836966419905]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3750825193058,47.55828198555948]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37524018441006,47.55122595835088]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38373496056249,47.55131363699044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0382/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p382","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0382/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0382","type":"ImageService3","width":1571,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1745.8 -0.0,1566.7 108.7,1567.6 116.6,747.6 157.2,661.8 229.4,584.9 213.8,585.1 225.7,297.1 363.5,297.0 365.6,0.0 852.1,0.0 852.0,96.2 1550.2,88.9 1550.1,0.0 1571.0,0.0 1571.0,1920.0 113.5,1920.0 111.9,1818.8 -0.0,1818.0 36.2,1746.3 -0.0,1745.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0382/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38360165363605,47.55240549594016]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37510274653519,47.5523147314722]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37526594200119,47.545254467369816]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38376484910205,47.54534523183777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0383/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p383","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0383/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0383","type":"ImageService3","width":1573,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"598.0,1920.0 568.2,1844.6 -0.0,1856.5 -0.0,1690.9 32.3,1470.1 100.3,1131.3 150.8,993.4 91.6,852.8 182.3,850.6 184.5,733.2 -0.0,729.6 -0.0,599.1 217.1,563.5 212.3,221.7 232.4,182.7 293.0,178.1 294.2,227.1 995.1,210.2 995.4,162.0 1328.6,151.8 1328.3,202.2 1394.9,200.6 1390.1,-0.0 1470.5,-0.0 1470.0,318.6 1531.3,317.1 1511.0,1266.0 1467.0,1266.8 1478.2,1920.0 598.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0383/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37737374323758,47.54041402240669]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37762094223167,47.534716770160955]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38784946549406,47.53492190726603]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38760226649997,47.54061915951176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p384 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3406.4"},{"label":"split_canvas_w","value":"1672.0"},{"label":"split_canvas_h","value":"4273.6"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"418.0,1920.0 416.4,997.2 372.5,996.2 372.4,886.2 47.2,882.5 47.2,851.7 0.0,851.6 -0.0,1531.9 46.5,1533.4 48.5,1856.8 -0.0,1855.4 -0.0,1920.0 418.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[373.0,1377.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3765833,47.5374022]}},{"type":"Feature","properties":{"resourceCoords":[373.0,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3765979,47.5355698]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p384 [2]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"26"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6320.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"637.0,1489.5 765.5,1489.5 800.5,1704.8 1137.1,1700.2 1175.5,1720.1 1180.7,1811.8 1512.8,1807.7 1515.7,1920.0 1580.0,1920.0 1580.0,155.7 248.8,173.8 260.8,819.2 498.4,818.1 511.4,1307.5 638.8,1396.3 637.0,1489.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0384__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1499.0,814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3764889,47.5428662]}},{"type":"Feature","properties":{"resourceCoords":[253.0,315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.383151,47.5448224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0385/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p385","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0385/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0385","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.6,88.7 433.1,89.9 431.6,0.0 1580.0,0.0 1580.0,44.2 1525.7,42.1 1537.0,1873.2 240.8,1847.6 241.1,1920.0 54.6,1920.0 27.6,1874.6 27.8,1920.0 -0.0,1920.0 -0.0,179.4 19.0,179.3 18.6,88.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0385/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39274148934787,47.535306147502155]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38435263729784,47.5352362348683]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38447758432575,47.528304841407724]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39286643637578,47.52837475404158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0386/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p386","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0386/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0386","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"533.4,1833.1 534.0,1858.2 34.5,1858.0 -0.0,611.0 -0.0,41.5 988.0,61.1 986.4,0.0 1580.0,0.0 1580.0,1861.7 1036.3,1859.5 1036.1,1842.8 1035.9,1830.0 533.4,1833.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0386/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38457743440705,47.53523598458551]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37612770375175,47.53505667331434]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3764481658771,47.52807495970954]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3848978965324,47.52825427098072]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0387/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p387","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0387/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0387","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.2,-0.0 1505.4,8.8 1508.0,521.0 1580.0,520.5 1580.0,1920.0 19.1,1920.0 25.3,1053.2 -0.0,1053.7 -0.0,548.2 29.6,547.9 35.2,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0387/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37642871051413,47.52841412481261]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.37663959973148,47.522701832731705]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38684734061391,47.52287610305105]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.38663645139657,47.528588395131955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0388/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p388","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0388/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0388","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.0,1304.1 79.0,1273.8 72.7,1091.3 -0.0,1092.0 14.2,164.1 1382.8,175.4 1381.5,1298.9 1580.0,1299.1 1580.0,1920.0 -0.0,1920.0 -0.0,1331.8 73.7,1331.5 73.5,1303.8 28.0,1304.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0388/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[113.0,309.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3874203,47.5281721]}},{"type":"Feature","properties":{"resourceCoords":[1415.0,809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3902004,47.523516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0389/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p389","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0389/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0389","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"259.3,1094.2 -0.0,1095.5 -0.0,1023.1 61.1,957.4 63.9,479.8 426.6,894.8 1072.1,337.8 1072.4,362.8 1360.9,359.4 1369.3,1337.0 1438.1,1337.9 1441.0,1824.9 1451.2,1841.1 1580.0,1839.5 1580.0,1920.0 -0.0,1920.0 -0.0,1883.0 263.1,1881.7 259.3,1094.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0389/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40429248624176,47.58250960182009]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39579393031025,47.582433174927765]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.39593064256961,47.57541745634043]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.40442919850112,47.57549388323276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p390 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6320.0"},{"label":"split_canvas_h","value":"3512.4"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1452.3,519.3 1430.2,35.5 453.6,51.9 480.8,686.2 518.9,697.8 573.8,696.2 574.3,716.0 652.6,715.9 690.5,733.5 990.1,764.2 1093.2,790.4 1167.8,790.2 1167.8,809.5 1325.9,849.8 1461.8,789.1 1465.5,877.0 1580.0,878.1 1580.0,604.8 1452.3,519.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[799.0,338.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.385433,47.5419564]}},{"type":"Feature","properties":{"resourceCoords":[461.0,266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3872611,47.5422804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p390 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3160.8"},{"label":"split_canvas_w","value":"6320.0"},{"label":"split_canvas_h","value":"2087.2"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1312.0 1580.0,1311.4 1580.0,1066.8 1413.7,986.4 1097.4,915.0 1167.8,819.5 1167.8,790.2 0.0,793.9 -0.0,1312.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[686.0,822.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3890484,47.5235022]}},{"type":"Feature","properties":{"resourceCoords":[476.0,822.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3902004,47.523516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Seattle, Washington | 1929 | sanborn09315_012 p390 [3]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5245.6"},{"label":"split_canvas_w","value":"6320.0"},{"label":"split_canvas_h","value":"2434.4"}],"created":"2026-09-21T17:11:37Z","modified":"2026-09-21T17:11:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390","type":"ImageService3","width":1580,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.0,1311.4 1019.0,1311.6 1019.1,1380.7 -0.0,1375.3 0.0,1920.0 1125.0,1920.0 1329.0,1920.0 1580.0,1920.0 1580.0,1311.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09315192903:09315_03_1929-0390__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1019.0,1343.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3794033,47.5228891]}},{"type":"Feature","properties":{"resourceCoords":[777.0,1343.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3807488,47.5229073]}}]}}]}