{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00727_025.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, California | 1952 | 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":"109"},{"label":"placed","value":"80"},{"label":"unplaced","value":"29"},{"label":"fit sources","value":"georef 56, georef-snap 21, georef-street 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"17 sheet(s) cut into 36 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 37.80225,-122.24799 +/-265m); p148__1 (tier 1, 37.79591,-122.27266 +/-226m); p148__2 (tier 1, 37.79761,-122.27461 +/-214m); p152 (tier 1, 37.80263,-122.26999 +/-273m); p158 (tier 1, 37.79353,-122.27118 +/-277m); p166__2 (tier 1, 37.80378,-122.26183 +/-152m); p167__2 (tier 2, 37.80160,-122.26327 +/-160m); p170__1 (tier 1, 37.79665,-122.26355 +/-122m); p170__3 (tier 1, 37.79706,-122.26316 +/-100m); p170__4 (tier 2, 37.79727,-122.26308 +/-100m); p172 (tier 1, 37.79363,-122.26420 +/-272m); p173 (tier 1, 37.79235,-122.26914 +/-138m); p174 (tier 1, 37.79087,-122.26571 +/-271m); p185__2 (tier 1, 37.80027,-122.25416 +/-100m); p209 (tier 1, 37.78800,-122.24907 +/-262m); p210 (tier 1, 37.79226,-122.25961 +/-269m); p211 (tier 1, 37.78865,-122.25800 +/-243m); p212__1 (tier 1, 37.78936,-122.25677 +/-207m); p212__2 (tier 1, 37.78810,-122.25613 +/-201m); p213 (tier 3, 37.78983,-122.26181 +/-473m); p214 (tier 1, 37.78853,-122.25807 +/-274m); p218__1 (tier 1, 37.77924,-122.23234 +/-212m); p222 (tier 1, 37.78469,-122.24008 +/-139m); p225__2 (tier 1, 37.78000,-122.23682 +/-100m); p231 (tier 1, 37.77616,-122.24062 +/-134m); p233__1 (tier 1, 37.77361,-122.23784 +/-269m); p233__2 (tier 2, 37.77380,-122.23654 +/-186m); p234__1 (tier 2, 37.77566,-122.23498 +/-235m); p234__2 (tier 2, 37.77566,-122.23498 +/-235m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0146/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p146","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0146/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0146/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4024.0,4968.0 2271.0,5019.0 2268.5,5472.0 -0.0,5472.0 0.0,0.0 4400.0,0.0 4400.0,566.1 4032.5,566.0 4024.0,4968.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0146/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4024.0,2020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2751414,37.7955823]}},{"type":"Feature","properties":{"resourceCoords":[4024.0,4968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2727559,37.7946517]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0147/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p147","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0147/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0147/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1025.2,569.2 1026.1,5.0 4400.0,0.0 4400.0,3527.3 3809.2,3480.6 3801.7,4807.7 3040.1,4747.8 3052.3,4948.6 644.1,4993.4 658.9,568.6 1025.2,569.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0147/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[644.0,3472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2739616,37.7951203]}},{"type":"Feature","properties":{"resourceCoords":[644.0,4956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2727559,37.7946517]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0149/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p149","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0149/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0149/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3268.5 -0.0,3193.3 1410.2,0.0 4400.0,0.0 4400.0,3514.1 3995.6,4960.2 2919.0,4935.4 -0.0,3413.0 -0.0,3268.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0149/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2746039823391,37.797237752927686]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27291917440209,37.80010622759318]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.268436145357,37.79843891630635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27012095329401,37.795570441640855]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0150/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p150","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0150/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0150/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,445.6 4339.3,5002.9 -0.0,5030.8 -0.0,-0.0 4400.0,0.0 4400.0,419.2 4400.0,445.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0150/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3792.0,3484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.270522,37.800625]}},{"type":"Feature","properties":{"resourceCoords":[2692.0,5024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2697645,37.799473]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0151/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p151","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0151/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0151/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 4400.0,0.0 4400.0,5011.3 2766.0,5013.6 1661.0,5014.9 -0.0,5014.5 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0151/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2768.0,3516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27009,37.8013174]}},{"type":"Feature","properties":{"resourceCoords":[3872.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2720567,37.8029476]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0153/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p153","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0153/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0153/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,0.0 4400.0,5018.7 -0.0,4946.6 -0.0,-0.0 4400.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0153/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27170368343158,37.80382421134098]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27011121080274,37.80648669865302]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2659497839071,37.804910887833366]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26754225653595,37.80224840052133]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0154/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p154","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0154/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0154/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1458.7,4652.0 1334.8,0.0 3086.0,0.0 3089.1,263.8 3517.5,260.1 3627.7,258.8 3684.0,4966.4 1812.6,4986.1 1800.5,4646.4 1458.7,4652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0154/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27062067886585,37.805684685489915]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26893181632424,37.808324730473124]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26480537593942,37.80665357490868]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26649423848103,37.80401352992547]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0155/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p155","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0155/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0155/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,465.0 0.0,0.0 4400.0,0.0 4400.0,5472.0 3581.0,5472.0 3171.7,4617.0 2982.0,4617.0 3069.7,4919.7 2959.5,4937.4 515.8,4959.0 516.0,464.0 -0.0,465.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0155/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[516.0,3472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.266643,37.8068429]}},{"type":"Feature","properties":{"resourceCoords":[516.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2690331,37.8077823]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0159/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p159","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0159/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0159/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3958.8,361.4 3992.0,3324.0 3475.1,3326.3 3480.1,4807.3 1786.7,4806.0 1791.7,5472.0 -0.0,5472.0 -0.0,443.3 3958.8,361.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0159/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1792.0,3324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2704148,37.7937345]}},{"type":"Feature","properties":{"resourceCoords":[3992.0,3324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2695414,37.7951169]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0160/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p160","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0160/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0160/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3297.7 514.8,3299.5 491.6,338.2 3765.6,314.4 3763.9,4789.6 1940.3,4783.6 1941.1,4070.0 1615.6,4068.1 1607.0,4783.3 -0.0,4777.9 -0.0,3297.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0160/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27236953043204,37.79582074947001]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27064361306122,37.79860766350571]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26628819622046,37.79689961314659]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26801411359128,37.79411269911089]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p161 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2314.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1828.5,4824.4 1831.2,1833.3 722.6,1835.2 720.0,4825.7 1828.5,4824.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1830.4,3336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2678248,37.7978662]}},{"type":"Feature","properties":{"resourceCoords":[1830.4,340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2701906,37.7987929]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p161 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"2311.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2088.4"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2810.7,356.0 2808.8,4837.4 3888.7,4835.9 3896.3,356.5 2810.7,356.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2810.7,3348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2678248,37.7978662]}},{"type":"Feature","properties":{"resourceCoords":[2810.7,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2701906,37.7987929]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p162 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2170.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5472.0 554.2,5472.0 1669.5,4814.4 2158.2,413.2 2157.2,0.0 1658.7,-0.0 557.4,310.9 -0.0,4818.1 -0.0,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1661.5,3316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2669733,37.7992317]}},{"type":"Feature","properties":{"resourceCoords":[1661.5,308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2693367,37.8001596]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p162 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"2157.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2242.8"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3773.3,4835.9 3773.1,329.1 2660.9,332.0 2661.1,634.5 2668.9,4838.4 3773.3,4835.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2660.9,3340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2669733,37.7992317]}},{"type":"Feature","properties":{"resourceCoords":[2660.9,332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2693367,37.8001596]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p163 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2189.6"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"582.6,349.7 596.4,4820.0 1695.3,4814.3 1691.4,339.0 582.6,349.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[596.4,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2677241,37.8003958]}},{"type":"Feature","properties":{"resourceCoords":[596.4,4820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.265364,37.7994621]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p163 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"2186.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2213.6"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2699.8,361.5 2686.9,4833.7 3788.7,4832.0 3788.7,364.0 2699.8,361.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3788.7,4832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2645023,37.8008435]}},{"type":"Feature","properties":{"resourceCoords":[3788.7,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2680453,37.802232]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p164 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"868.8,4780.7 4400.0,4802.0 4400.0,349.6 3006.0,340.1 2982.1,1680.0 2990.0,1976.0 2998.0,2291.6 3005.6,2576.0 2839.2,2564.0 2820.8,2342.4 2773.6,2282.8 2560.8,2274.4 2565.2,2019.2 2792.0,1996.4 2777.6,1821.6 1988.3,1817.1 1989.9,1625.5 1802.0,1626.8 1807.2,1188.8 1816.0,491.2 1816.0,468.0 1816.9,333.4 1167.2,332.6 1165.1,0.0 340.2,0.0 338.0,328.7 901.8,332.1 868.8,4780.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1976.0,3300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2652556,37.8019989]}},{"type":"Feature","properties":{"resourceCoords":[3384.0,4796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2635127,37.8024294]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p164 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"1802.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1203.6"},{"label":"split_canvas_h","value":"2576.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1988.9,336.3 2001.3,1625.4 2760.8,1620.0 2762.8,1642.8 2778.8,1836.1 2986.2,1834.5 2981.2,1644.4 2823.2,1643.2 2746.0,1074.8 2667.2,490.8 2666.0,477.6 2659.0,331.8 1988.9,336.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1802.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26795355103323,37.80291580014322]}},{"type":"Feature","properties":{"resourceCoords":[3005.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26747842083248,37.803663737661736]}},{"type":"Feature","properties":{"resourceCoords":[3005.6,2576.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26546731904976,37.802854860361066]}},{"type":"Feature","properties":{"resourceCoords":[1802.0,2576.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26594244925052,37.80210692284255]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0165/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p165","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0165/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0165/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3215.3,0.0 3237.1,328.1 4400.0,332.0 4400.0,4841.9 1916.7,4826.4 1917.9,318.4 2954.3,326.5 2884.3,0.0 3215.3,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0165/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,4820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2635127,37.8024294]}},{"type":"Feature","properties":{"resourceCoords":[888.0,3324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2646939,37.8028834]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0166__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p166 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0166__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0166/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"799.1,345.6 839.9,4858.2 -0.0,4860.5 -0.0,5472.0 1548.8,5472.0 1677.6,4815.6 1767.2,4498.8 1886.0,4077.6 1940.0,3114.8 1950.8,2917.6 2361.6,2907.2 2482.0,2904.4 2598.4,2778.4 2598.8,2901.2 4400.0,2860.8 4400.0,468.4 4118.0,0.0 3926.1,0.0 4014.8,306.1 799.1,345.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0166__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1432.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.264285,37.8059158]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,3348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2631035,37.8054512]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0167__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p167 [1]","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":"4400.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0167__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0167/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3266.8,5047.4 3267.1,5472.0 4400.0,5472.0 4400.0,4884.0 4400.0,-0.0 313.0,-0.0 320.0,4848.0 3363.4,4866.3 3266.8,5047.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0167__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1816.0,4848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2633221,37.8003809]}},{"type":"Feature","properties":{"resourceCoords":[320.0,4848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2645023,37.8008435]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0168/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p168","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0168/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0168/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"188.0,5472.0 189.0,5254.8 835.2,5258.8 838.6,4711.7 191.1,4707.9 209.3,321.4 3227.6,356.5 3130.8,535.7 3128.7,956.8 4252.3,963.1 4257.7,-0.0 4400.0,-0.0 4400.0,2881.3 2924.3,2874.4 2920.7,3631.4 3169.1,3633.4 3164.0,4728.0 1671.0,4717.8 1666.7,5472.0 188.0,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0168/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1680.0,3624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2646158,37.798306]}},{"type":"Feature","properties":{"resourceCoords":[3164.0,4728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638622,37.7971519]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0169/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p169","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0169/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0169/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"694.1,1127.0 2178.2,1116.9 2177.4,359.9 3676.0,360.0 3676.2,494.3 4400.0,476.8 4351.4,4384.2 701.9,4383.5 694.1,1127.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0169/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3676.0,360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638622,37.7971519]}},{"type":"Feature","properties":{"resourceCoords":[692.0,360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2662256,37.7980809]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0170__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p170 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2529.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1870.8"},{"label":"split_canvas_h","value":"4243.2"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0170__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0170/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2530.2,235.9 2540.8,2806.4 2827.6,2816.0 3106.8,2818.0 3856.0,2823.2 3936.8,2823.6 3942.4,2853.2 4103.2,2858.8 4052.4,3446.8 4400.0,4243.2 4400.0,3212.8 4400.0,2825.6 4400.0,1746.4 4400.0,0.0 3681.2,0.0 3680.5,236.0 2530.2,235.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0170__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2641.1,236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638622,37.7971519]}},{"type":"Feature","properties":{"resourceCoords":[3680.5,236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2634317,37.7978411]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0171/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p171","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0171/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0171/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1396.6,3680.8 722.7,3684.3 724.0,338.6 -0.0,330.7 -0.0,-0.0 4400.0,-0.0 4400.0,5472.0 1392.5,5472.0 1396.6,3680.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0171/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[724.0,2580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2688075,37.7939519]}},{"type":"Feature","properties":{"resourceCoords":[2224.0,2580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2676287,37.7934883]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0175/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p175","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0175/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0175/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,4705.4 1269.2,4699.6 878.0,4645.3 878.0,4192.8 -0.0,4192.9 -0.0,0.0 4400.0,-0.0 4400.0,4705.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0175/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2412.0,3288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2492251,37.7990407]}},{"type":"Feature","properties":{"resourceCoords":[2412.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2483029,37.7996983]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0176/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p176","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0176/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0176/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"841.1,4208.7 836.7,-0.0 3361.2,14.0 3346.7,4206.9 841.1,4208.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0176/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3096.0,3268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.246736,37.7968376]}},{"type":"Feature","properties":{"resourceCoords":[3096.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.245811,37.7974958]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0177/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p177","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0177/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0177/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2568.0,4648.0 2567.6,4200.5 1154.6,4208.0 1156.3,5472.0 879.6,5472.0 874.2,4174.3 -0.0,4178.0 -0.0,0.0 3869.8,-0.0 3982.4,4647.3 2568.0,4648.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0177/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1148.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.244985,37.7967645]}},{"type":"Feature","properties":{"resourceCoords":[2568.0,4648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460028,37.7947171]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0178/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p178","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0178/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0178/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,3629.3 4090.8,3681.4 4088.0,4688.0 88.3,4671.0 0.0,-0.0 4400.0,-0.0 4400.0,3629.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0178/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2920.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2416649,37.7938335]}},{"type":"Feature","properties":{"resourceCoords":[4088.0,4688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2428271,37.7919092]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0179/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p179","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0179/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0179/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.0,3882.4 232.7,3327.9 549.2,3344.1 1309.6,-0.0 3940.4,-0.0 3920.7,371.7 4400.0,386.8 4400.0,5472.0 -0.0,5472.0 -0.0,5093.4 279.5,3920.3 105.0,3882.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0179/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24066585957121,37.794345403988636]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23754945269371,37.79259066035232]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24029161872204,37.78950632985279]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24340802559954,37.79126107348911]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0180/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p180","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0180/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0180/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"471.1,433.7 -0.0,443.7 -0.0,-0.0 4400.0,-0.0 4400.0,94.6 3975.3,106.2 4056.6,1146.1 4400.0,1133.8 4400.0,1879.3 4077.2,1885.9 4102.0,2620.2 4400.0,2614.6 4400.0,3365.4 4064.8,3374.2 4140.9,5472.0 3631.3,5472.0 3591.2,4503.2 1155.8,4604.2 1171.1,5472.0 734.7,5423.8 471.1,433.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0180/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2378323583884,37.79281692395569]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23478387592732,37.79090055705363]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23777854857975,37.78788338671177]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24082703104084,37.78979975361383]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0181/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p181","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0181/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0181/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.9,5472.0 21.1,5472.0 -0.0,4786.1 -0.0,4691.3 -0.0,0.0 4400.0,-0.0 4400.0,262.6 3883.6,4787.6 1513.9,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0181/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23513625317513,37.79102699244885]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23203859948333,37.78918698025492]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23491388484533,37.78612107001777]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23801153853712,37.7879610822117]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0182/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p182","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0182/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0182/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"442.2,188.8 438.9,-0.0 3933.6,-0.0 3939.6,236.2 4177.1,233.8 4211.9,3216.4 4211.8,3216.4 4229.4,4732.2 -0.0,4783.0 -0.0,196.0 442.2,188.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0182/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23237943448326,37.78932965080091]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22936358694841,37.78747118483356]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23226764409806,37.78448617572627]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23528349163291,37.786344641693624]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0183/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p183","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0183/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0183/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"175.4,4758.4 238.1,249.9 -0.0,246.3 0.0,-0.0 4400.0,-0.0 4321.5,5472.0 1652.4,5472.0 1666.7,4507.3 1183.2,4499.8 344.1,5022.7 175.4,4758.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0183/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22967841476722,37.78767347228711]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22661096028465,37.785880782149874]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22941217302817,37.78284462611464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23247962751074,37.784637316251874]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0184/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p184","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0184/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0184/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.6,5472.0 318.6,29.8 4273.2,-0.0 1617.6,739.2 1843.1,1549.1 2641.2,1035.6 2579.1,4193.3 2749.8,4806.6 2567.0,4805.9 2553.9,5472.0 337.6,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0184/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1324.0,292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2260473,37.7853148]}},{"type":"Feature","properties":{"resourceCoords":[336.0,4928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2291916,37.7831658]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0185__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p185 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0185__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0185/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,4752.4 4400.0,-0.0 1662.4,0.0 1645.2,1302.0 1286.0,1500.8 1184.4,1501.2 0.0,1502.0 -0.0,4264.9 236.3,4266.7 246.7,4732.3 4400.0,4752.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0185__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3088.0,3332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2536635,37.7985413]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,4744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2554144,37.798615]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0186/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p186","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0186/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0186/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1191.2,4254.1 1084.0,4253.7 1075.0,400.2 4400.0,452.5 4400.0,4266.6 4026.8,4265.7 4026.2,4699.3 1194.1,4687.8 1191.2,4254.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0186/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4028.0,3284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2511727,37.7963343]}},{"type":"Feature","properties":{"resourceCoords":[4028.0,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2493203,37.7976494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0187/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p187","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0187/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0187/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"817.9,4261.5 825.0,464.0 1066.3,464.8 1032.7,-0.0 4400.0,-0.0 4400.0,4702.6 3268.1,4696.6 3267.7,4262.6 817.9,4261.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0187/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1856.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2494219,37.7962599]}},{"type":"Feature","properties":{"resourceCoords":[1856.0,4696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2512688,37.7949438]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0188/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p188","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0188/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0188/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"726.0,4243.0 729.4,1263.9 1006.1,1309.7 1011.4,-0.0 2426.0,-0.0 2424.0,448.0 3840.0,454.9 3829.1,4694.2 998.5,4679.4 999.6,4244.9 726.0,4243.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0188/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2424.0,4684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2487721,37.7927391]}},{"type":"Feature","properties":{"resourceCoords":[2424.0,448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460028,37.7947171]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0189/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p189","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0189/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0189/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"161.6,1253.0 163.2,1253.0 173.3,416.3 4215.7,448.5 4221.2,-0.0 4400.0,-0.0 4305.3,4768.2 121.4,4709.2 161.6,1253.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0189/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24500673636187,37.79426353377704]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24243245890463,37.79202419556292]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24593190478622,37.78947641166907]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24850618224346,37.791715749883195]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0190/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p190","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"26"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0190/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0190/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.7,5472.0 67.1,5472.0 -0.0,4481.7 101.7,3963.6 252.1,4028.9 964.0,961.4 3817.7,882.2 3838.9,1849.4 4241.6,1851.0 4249.8,2595.2 4400.0,2594.2 4400.0,3342.1 4250.5,3342.1 4254.2,4785.8 130.6,4960.6 208.7,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0190/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2744.0,3344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2434202,37.7891871]}},{"type":"Feature","properties":{"resourceCoords":[2744.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.242624,37.7900222]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0191/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p191","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0191/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0191/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,823.7 1925.9,873.4 1946.7,-0.0 4400.0,-0.0 4400.0,4863.8 351.8,4737.6 379.8,3292.7 529.7,3295.1 546.1,2546.6 395.6,2545.1 403.7,1800.2 -0.0,1792.0 -0.0,823.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0191/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24093397219407,37.790572358592]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23780876215505,37.78876982171227]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24062547003085,37.78567661897266]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24375068006987,37.78747915585239]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0192/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p192","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0192/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0192/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1008.4,4660.5 569.8,4672.4 484.1,991.4 994.6,1003.5 997.7,1080.1 2486.4,1129.4 2482.9,387.9 3972.4,386.8 3979.3,1133.3 2709.8,1130.0 2733.2,1880.2 3984.8,1880.8 3991.5,2625.6 2756.3,2625.2 2802.8,4117.5 3988.1,4120.0 3989.5,4858.8 1534.8,4797.8 1011.9,4870.0 1008.4,4660.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0192/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2488.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2373734,37.7868786]}},{"type":"Feature","properties":{"resourceCoords":[1004.0,3372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2392131,37.7866728]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0193/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p193","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0193/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0193/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1188.8,4195.1 1194.9,3952.1 -0.0,3919.0 -0.0,2416.1 1245.2,2448.3 1261.8,1698.5 -0.0,1665.8 -0.0,910.3 1279.7,946.2 1296.2,194.7 4400.0,262.3 4160.3,1628.9 3965.2,4772.6 2401.8,4732.2 2416.5,4244.0 1188.8,4195.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0193/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23635611019914,37.78771828164201]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23322613809879,37.78594237946503]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23600111906134,37.782844344446985]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2391310911617,37.784620246623966]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0194/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p194","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0194/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0194/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.8,4736.7 1566.9,4837.9 319.2,4780.5 403.4,1635.0 594.3,263.3 2559.7,271.1 2731.8,530.0 3549.4,-0.0 4027.1,-0.0 4038.2,1795.4 3501.8,1798.7 3515.4,4769.5 1569.8,4736.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0194/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2444.0,3272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2336701,37.7833538]}},{"type":"Feature","properties":{"resourceCoords":[1768.0,1156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2330147,37.7848075]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0195/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p195","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0195/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0195/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4098.6,946.6 4083.2,4795.0 912.7,4763.2 929.0,1798.1 1464.4,1800.2 1467.7,960.8 4098.6,946.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0195/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,3260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2329206,37.782909]}},{"type":"Feature","properties":{"resourceCoords":[4096.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.229922,37.7823976]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0196/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p196","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0196/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0196/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"377.2,4745.3 379.7,956.9 2567.2,964.4 2578.6,307.0 2762.7,308.3 3106.2,1558.7 3181.4,1538.1 3250.8,1794.5 3813.1,1795.4 3768.2,3705.7 4052.0,4753.9 377.2,4745.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0196/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[380.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.229922,37.7823976]}},{"type":"Feature","properties":{"resourceCoords":[380.0,420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2291916,37.7831658]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0197/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p197","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0197/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0197/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,5472.0 744.1,5472.0 1026.4,4525.4 81.6,4521.9 78.1,5472.0 -0.0,5472.0 -0.0,3533.2 896.1,553.6 -0.0,831.0 0.0,0.0 4400.0,-0.0 4400.0,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0197/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4100.0,2880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.223638,37.7820071]}},{"type":"Feature","properties":{"resourceCoords":[4100.0,1624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2232281,37.7828265]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0198/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p198","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0198/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0198/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,5148.7 895.0,4535.6 -0.0,4289.1 -0.0,3201.0 543.6,1365.0 -0.0,1216.8 -0.0,0.0 945.4,-0.0 666.3,948.2 4324.3,934.7 4320.8,-0.0 4400.0,-0.0 4400.0,5148.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0198/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4020.0,3320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2252722,37.7787649]}},{"type":"Feature","properties":{"resourceCoords":[4020.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2247481,37.7798014]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0199/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p199","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0199/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0199/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2013.9,5472.0 -0.0,5472.0 -0.0,0.0 2068.0,-0.0 2082.4,463.6 3783.3,463.0 3791.2,3348.5 4400.0,3339.8 4400.0,4802.4 3534.5,4807.8 3529.7,4401.1 2001.2,4417.6 2013.9,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0199/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2571555,37.8006535]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2545831,37.798362]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2581897,37.795834199999994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2607621,37.7981257]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0200/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p200","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0200/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0200/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1148.1,4338.2 1152.1,4748.9 601.2,4751.5 605.1,3297.6 -0.0,3305.4 -0.0,433.4 2420.7,430.6 2418.1,-0.0 2524.5,-0.0 2529.0,430.2 3936.0,432.0 3941.8,4733.6 2541.3,4737.1 2513.8,4325.4 1148.1,4338.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0200/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1124.0,3288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2564723,37.7965521]}},{"type":"Feature","properties":{"resourceCoords":[3936.0,432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2529264,37.7964118]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p201","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0201/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0201/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3620.5,4420.7 3294.9,4409.6 3296.4,4717.6 476.0,4720.0 476.0,428.0 1875.6,429.2 1875.2,-0.0 3626.9,-0.0 3626.3,426.3 4400.0,423.4 4400.0,1842.0 3624.2,1831.1 3620.5,4420.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0201/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[476.0,4720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2557683,37.7944036]}},{"type":"Feature","properties":{"resourceCoords":[476.0,428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2529264,37.7964118]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p202","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0202/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0202/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4749.2 -0.0,1850.0 779.3,1859.8 777.2,434.9 -0.0,438.9 0.0,-0.0 1058.1,-0.0 1060.9,433.4 2191.3,433.1 2188.9,-0.0 2461.6,-0.0 2463.4,433.0 3884.0,428.0 3899.2,5472.0 2488.9,5472.0 2481.0,4743.1 -0.0,4749.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3884.0,3292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2506624,37.7914072]}},{"type":"Feature","properties":{"resourceCoords":[3884.0,428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2487721,37.7927391]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p203","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0203/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0203/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3961.2,3278.8 3933.9,5472.0 1281.9,5461.1 1276.9,415.6 4076.0,416.0 4082.8,3278.7 3961.2,3278.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1272.0,4728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2516153,37.7907322]}},{"type":"Feature","properties":{"resourceCoords":[4076.0,416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2471238,37.7912803]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p204 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1810.4"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5472.0 1810.0,5472.0 1810.2,3311.2 1549.3,3262.3 1555.3,423.2 147.9,420.0 147.9,3260.0 27.3,3259.8 7.7,4586.1 -0.0,4588.9 -0.0,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[147.9,3260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2490053,37.7899428]}},{"type":"Feature","properties":{"resourceCoords":[147.9,420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2471238,37.7912803]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p204 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"1810.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2590.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2141.7,408.0 2141.7,3256.0 2403.8,3304.5 2408.4,5472.0 4400.0,5472.0 4400.0,3350.4 4400.0,2572.5 4008.1,2651.9 3668.9,1845.4 3531.1,1872.5 3318.9,1081.7 3275.3,396.7 2141.7,408.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2141.7,3256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2481719,37.7892065]}},{"type":"Feature","properties":{"resourceCoords":[2141.7,408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2462874,37.7905404]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0205/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p205","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0205/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0205/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5472.0 -0.0,3452.7 668.4,3189.8 215.4,2038.4 -0.0,2122.9 -0.0,0.0 1556.1,-0.0 1556.0,414.0 3001.3,420.7 3001.1,-0.0 4400.0,-0.0 4400.0,5076.6 4400.0,5124.7 4400.0,5472.0 -0.0,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0205/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2582579,37.7965918]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.259166,37.7959397]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0206/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p206","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0206/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0206/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,437.7 4400.0,1834.3 3937.1,1826.8 3857.6,3432.9 4400.0,3439.3 4400.0,5472.0 -0.0,5472.0 -0.0,5384.0 352.0,5386.7 413.8,379.6 4400.0,437.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0206/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1836.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.256674,37.7937433]}},{"type":"Feature","properties":{"resourceCoords":[1836.0,400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2557683,37.7944036]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0207/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p207","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0207/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0207/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"735.8,5472.0 667.3,4089.8 -0.0,4115.0 -0.0,2135.1 569.6,2116.2 484.6,398.8 861.6,385.7 846.7,-0.0 1255.0,-0.0 1267.1,371.5 4360.3,263.4 4400.0,5472.0 735.8,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0207/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1912.0,3820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2554916,37.7912417]}},{"type":"Feature","properties":{"resourceCoords":[2624.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2532656,37.7921907]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p208","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0208/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0208/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"318.5,5472.0 396.5,2451.5 4391.7,2407.4 4400.0,5472.0 318.5,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0208/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25150167282318,37.792484236591164]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24890923328923,37.79012278952184]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2525993721466,37.78755694127567]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25519181168056,37.789918388344994]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p215 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2009.2"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"3462.8"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1118.7,2240.8 1335.8,4706.3 -0.0,4823.8 -0.0,5472.0 4400.0,5472.0 4400.0,4845.4 4049.5,3462.2 4400.0,3359.6 4400.0,2633.8 3786.2,2423.3 3681.9,2011.5 1897.4,2010.4 1118.7,2240.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,2972.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2473262,37.7883368]}},{"type":"Feature","properties":{"resourceCoords":[736.0,2357.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2467174,37.7885388]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p215 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"2012.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1930.3,1697.8 3058.3,2011.1 3883.6,2011.7 3891.6,1663.0 4361.1,1649.5 4400.0,150.4 1399.3,239.5 296.0,369.5 562.5,1711.5 1930.3,1697.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2904.0,1688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2449844,37.7875046]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,1688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460337,37.788146]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p216 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1972.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"3500.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,4203.5 4157.7,3880.8 4400.0,3885.4 4400.0,3630.5 4132.0,3624.0 4126.2,2203.3 1654.0,2110.6 1126.3,2176.7 1125.5,1986.1 683.7,1988.1 685.6,2169.2 777.5,2170.4 765.3,3625.6 -0.0,3625.9 -0.0,5472.0 2710.8,5472.0 2772.1,4464.4 4400.0,4573.1 4400.0,4203.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2624.0,3624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2397011,37.7844111]}},{"type":"Feature","properties":{"resourceCoords":[4132.0,3624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2386372,37.7837909]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p216 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"1991.2"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,1831.5 4400.0,395.0 369.4,322.8 308.0,1843.3 4400.0,1831.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1788.0,1843.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2428738,37.7862681]}},{"type":"Feature","properties":{"resourceCoords":[308.0,1843.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2439245,37.7868914]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0217/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p217","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0217/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0217/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"815.1,3626.0 1450.9,2900.6 1542.9,580.3 1911.6,572.5 2227.1,323.5 2229.0,565.7 2483.3,560.3 2482.6,292.4 4400.0,252.1 4400.0,1479.2 3912.2,1483.9 3887.1,4591.8 2517.3,4616.7 2510.4,4262.5 1397.1,4236.3 1401.6,4050.9 663.6,4028.5 581.6,4112.5 815.1,3626.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0217/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2401693031357,37.78254915428565]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23781223561642,37.78497087487686]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2340282581994,37.78263776954404]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23638532571869,37.78021604895282]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0218__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p218 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0218__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0218/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1937.4,4376.3 1770.8,5472.0 3605.8,5472.0 3439.6,0.0 3342.2,0.0 3345.0,285.1 2028.0,340.0 2015.4,0.0 706.8,0.0 140.6,4383.3 1937.4,4376.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0218__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2028.0,1740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2346345,37.7813307]}},{"type":"Feature","properties":{"resourceCoords":[2028.0,340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2356283,37.7819662]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p219","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0219/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0219/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"875.2,0.0 2335.6,0.0 2115.5,1146.3 4045.4,1232.7 3951.6,5472.0 1800.9,5472.0 1748.8,4544.8 260.0,4546.4 225.6,4287.4 895.1,4284.3 875.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0219/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23401655039895,37.77879313380433]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2317530605632,37.78122334189774]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22795600768839,37.778982752940955]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23021949752415,37.77655254484754]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0220/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p220","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0220/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0220/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2582.9 562.4,2512.3 245.2,0.0 1693.8,0.0 1739.0,900.7 3831.1,902.9 4136.5,4334.5 4400.0,4266.2 4400.0,5472.0 -0.0,5472.0 -0.0,2582.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2176.0,4444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2265185,37.7763161]}},{"type":"Feature","properties":{"resourceCoords":[1744.0,1000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2292188,37.7775089]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0221/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p221","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0221/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0221/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,273.0 3872.2,116.5 3956.8,1967.6 4400.0,1947.3 4400.0,5472.0 -0.0,5472.0 -0.0,2653.2 434.7,2637.2 647.0,1799.0 -0.0,1376.4 -0.0,273.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0221/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3500.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2418781,37.7855804]}},{"type":"Feature","properties":{"resourceCoords":[484.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2439245,37.7868914]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p223","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0223/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0223/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"677.5,5472.0 525.8,5472.0 -0.0,4960.4 0.0,0.0 4001.6,-0.0 4360.5,265.3 4400.0,3756.1 3310.6,2720.9 677.5,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0223/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24003350391081,37.78388109573687]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23709961056738,37.78191930702093]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24016489504834,37.779015200165865]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24309878839178,37.78097698888181]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0224/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p224","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0224/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0224/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"689.4,1060.6 1392.0,1052.0 1409.2,2529.7 3812.2,121.6 3838.4,606.6 3990.3,1007.7 3849.7,1148.1 3878.1,2509.8 3745.9,2666.0 3626.6,4203.8 3419.8,5472.0 2788.6,5472.0 2679.8,4739.6 196.0,4804.0 147.9,2920.1 721.8,2909.8 689.4,1060.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0224/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1392.0,1052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2393502,37.780961]}},{"type":"Feature","properties":{"resourceCoords":[196.0,4804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2400771,37.7782456]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0225__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p225 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4400.0"},{"label":"split_canvas_h","value":"5472.0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0225__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0225/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2809.6 -0.0,4853.4 3467.1,4658.9 3404.1,293.4 3506.7,187.7 4400.0,181.7 4400.0,0.0 3427.2,0.0 2500.0,979.3 2297.1,996.4 1464.2,1710.7 1464.4,1882.4 1263.1,1883.2 1131.6,1995.9 -0.0,2809.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0225__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1920.0,3544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2355706,37.7786446]}},{"type":"Feature","properties":{"resourceCoords":[876.0,4952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2351881,37.7774409]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p226","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0226/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0226/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3885.2,5472.0 -0.0,5472.0 -0.0,0.0 4400.0,-0.0 4400.0,674.0 4160.1,704.8 4209.5,900.3 4100.6,899.8 3914.9,3060.7 3885.2,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0226/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23362614068492,37.77931148905329]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23058319402698,37.777533211638236]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23336157119952,37.77452097230966]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23640451785747,37.776299249724715]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p227","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0227/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0227/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"609.4,4192.7 875.5,2228.3 1271.4,175.1 1409.2,193.5 1384.8,-0.0 4400.0,-0.0 4400.0,4578.0 609.4,4192.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0227/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2321863,37.7777181]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2287567,37.776206]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2311358,37.7728347]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2345654,37.7743468]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p228","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0228/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0228/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"657.2,655.6 3526.8,1030.4 3661.4,-0.0 4400.0,-0.0 4400.0,4733.8 3738.3,4724.5 3764.2,4852.6 635.6,4869.9 657.2,655.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3644.0,4264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2282265,37.7726156]}},{"type":"Feature","properties":{"resourceCoords":[2508.0,4864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2293697,37.7726338]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0229/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p229","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0229/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0229/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3068.2 -0.0,2432.4 -0.0,1262.3 2553.3,-0.0 4374.1,-0.0 4389.7,3152.5 -0.0,3068.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0229/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24024285342708,37.78272096694676]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23977650226927,37.77959260969145]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24466448070889,37.77913098721619]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2451308318667,37.782259344471505]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p230","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0230/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0230/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4400.0,5472.0 -0.0,5472.0 -0.0,3118.9 164.5,3132.4 168.0,500.0 2069.1,501.8 2071.3,-0.0 4400.0,-0.0 4400.0,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0230/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23986777698703,37.77972387186075]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23937805797677,37.7766741851216]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24417176390682,37.77619232872323]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24466148291708,37.77924201546239]}},{"type":"Feature","properties":{"resourceCoords":[168.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2402871,37.7795634]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p232","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0232/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0232/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2833.9 705.7,2804.5 604.1,455.6 2638.2,369.9 2762.0,1114.0 3408.5,1104.0 3389.6,1220.0 4400.0,2194.7 4400.0,3250.4 4068.1,3630.9 4400.0,3920.3 4400.0,5472.0 -0.0,5472.0 -0.0,2833.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0232/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24019381084845,37.77856738078448]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23638153857459,37.778822569937695]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23598283202752,37.775048763868305]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23979510430138,37.77479357471509]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0235/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p235","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0235/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0235/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5472.0 -0.0,338.3 272.7,345.5 283.8,-0.0 4096.8,-0.0 4400.0,2559.3 4400.0,3193.2 4233.3,3249.4 4400.0,5472.0 -0.0,5472.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0235/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23374166467842,37.7750402193509]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23052548659251,37.773263021013285]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23330201371814,37.77007911022493]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23651819180405,37.77185630856254]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1952 | sanborn00727_025 p236","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T03:07:01Z","modified":"2026-09-21T03:07:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0236/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0236/info.json","type":"ImageService2","height":5472,"width":4400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3327.9 233.9,3272.2 213.3,192.6 3216.4,143.7 3368.4,130.5 3340.7,-0.0 4400.0,-0.0 4400.0,5472.0 -0.0,5472.0 -0.0,3327.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0236/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23087259944738,37.77343901601015]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22755186648513,37.771940831708285]}},{"type":"Feature","properties":{"resourceCoords":[4400.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22989244139589,37.768653349021726]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5472.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23321317435814,37.77015153332359]}}]}}]}