{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/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://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0146/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0146","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1006.0,1242.0 567.8,1254.8 567.1,1368.0 -0.0,1368.0 0.0,0.0 1100.0,0.0 1100.0,141.5 1008.1,141.5 1006.0,1242.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0146/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1006.0,505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2751414,37.7955823]}},{"type":"Feature","properties":{"resourceCoords":[1006.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2727559,37.7946517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0147/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0147","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.3,142.3 256.5,1.2 1100.0,0.0 1100.0,881.8 952.3,870.1 950.4,1201.9 760.0,1187.0 763.1,1237.2 161.0,1248.3 164.7,142.2 256.3,142.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0147/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[161.0,868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2739616,37.7951203]}},{"type":"Feature","properties":{"resourceCoords":[161.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2727559,37.7946517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0149/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0149","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,817.1 -0.0,798.3 352.6,0.0 1100.0,0.0 1100.0,878.5 998.9,1240.0 729.8,1233.8 -0.0,853.2 -0.0,817.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27291917440209,37.80010622759318]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.268436145357,37.79843891630635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27012095329401,37.795570441640855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0150/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0150","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,111.4 1084.8,1250.7 -0.0,1257.7 -0.0,-0.0 1100.0,0.0 1100.0,104.8 1100.0,111.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0150/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[948.0,871.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.270522,37.800625]}},{"type":"Feature","properties":{"resourceCoords":[673.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2697645,37.799473]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0151/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0151","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 1100.0,0.0 1100.0,1252.8 691.5,1253.4 415.2,1253.7 -0.0,1253.6 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0151/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.0,879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27009,37.8013174]}},{"type":"Feature","properties":{"resourceCoords":[968.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2720567,37.8029476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0153/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0153","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,0.0 1100.0,1254.7 -0.0,1236.7 -0.0,-0.0 1100.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27011121080274,37.80648669865302]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2659497839071,37.804910887833366]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26754225653595,37.80224840052133]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0154/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0154","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"364.7,1163.0 333.7,0.0 771.5,0.0 772.3,66.0 879.4,65.0 906.9,64.7 921.0,1241.6 453.1,1246.5 450.1,1161.6 364.7,1163.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26893181632424,37.808324730473124]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26480537593942,37.80665357490868]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26649423848103,37.80401352992547]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0155/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0155","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,116.2 0.0,0.0 1100.0,0.0 1100.0,1368.0 895.2,1368.0 792.9,1154.2 745.5,1154.2 767.4,1229.9 739.9,1234.3 128.9,1239.8 129.0,116.0 -0.0,116.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0155/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[129.0,868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.266643,37.8068429]}},{"type":"Feature","properties":{"resourceCoords":[129.0,116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2690331,37.8077823]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0159/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0159","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"989.7,90.3 998.0,831.0 868.8,831.6 870.0,1201.8 446.7,1201.5 447.9,1368.0 -0.0,1368.0 -0.0,110.8 989.7,90.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0159/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[448.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2704148,37.7937345]}},{"type":"Feature","properties":{"resourceCoords":[998.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2695414,37.7951169]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0160/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0160","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,824.4 128.7,824.9 122.9,84.5 941.4,78.6 941.0,1197.4 485.1,1195.9 485.3,1017.5 403.9,1017.0 401.8,1195.8 -0.0,1194.5 -0.0,824.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27064361306122,37.79860766350571]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26628819622046,37.79689961314659]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26801411359128,37.79411269911089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"457.1,1206.1 457.8,458.3 180.7,458.8 180.0,1206.4 457.1,1206.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[457.6,834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2678248,37.7978662]}},{"type":"Feature","properties":{"resourceCoords":[457.6,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2701906,37.7987929]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"702.7,89.0 702.2,1209.3 972.2,1209.0 974.1,89.1 702.7,89.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0161__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[702.7,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2678248,37.7978662]}},{"type":"Feature","properties":{"resourceCoords":[702.7,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2701906,37.7987929]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1368.0 138.6,1368.0 417.4,1203.6 539.5,103.3 539.3,0.0 414.7,-0.0 139.3,77.7 -0.0,1204.5 -0.0,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[415.4,829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2669733,37.7992317]}},{"type":"Feature","properties":{"resourceCoords":[415.4,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2693367,37.8001596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"943.3,1209.0 943.3,82.3 665.2,83.0 665.3,158.6 667.2,1209.6 943.3,1209.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0162__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[665.2,835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2669733,37.7992317]}},{"type":"Feature","properties":{"resourceCoords":[665.2,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2693367,37.8001596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.7,87.4 149.1,1205.0 423.8,1203.6 422.9,84.8 145.7,87.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[149.1,459.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2677241,37.8003958]}},{"type":"Feature","properties":{"resourceCoords":[149.1,1205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.265364,37.7994621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"675.0,90.4 671.7,1208.4 947.2,1208.0 947.2,91.0 675.0,90.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0163__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[947.2,1208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2645023,37.8008435]}},{"type":"Feature","properties":{"resourceCoords":[947.2,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2680453,37.802232]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.2,1195.2 1100.0,1200.5 1100.0,87.4 751.5,85.0 745.5,420.0 747.5,494.0 749.5,572.9 751.4,644.0 709.8,641.0 705.2,585.6 693.4,570.7 640.2,568.6 641.3,504.8 698.0,499.1 694.4,455.4 497.1,454.3 497.5,406.4 450.5,406.7 451.8,297.2 454.0,122.8 454.0,117.0 454.2,83.3 291.8,83.2 291.3,0.0 85.0,0.0 84.5,82.2 225.4,83.0 217.2,1195.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[494.0,825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2652556,37.8019989]}},{"type":"Feature","properties":{"resourceCoords":[846.0,1199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2635127,37.8024294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0164","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"497.2,84.1 500.3,406.4 690.2,405.0 690.7,410.7 694.7,459.0 746.5,458.6 745.3,411.1 705.8,410.8 686.5,268.7 666.8,122.7 666.5,119.4 664.8,83.0 497.2,84.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[450.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26795355103323,37.80291580014322]}},{"type":"Feature","properties":{"resourceCoords":[751.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26747842083248,37.803663737661736]}},{"type":"Feature","properties":{"resourceCoords":[751.4,644.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26546731904976,37.802854860361066]}},{"type":"Feature","properties":{"resourceCoords":[450.5,644.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26594244925052,37.80210692284255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0165/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0165","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"803.8,0.0 809.3,82.0 1100.0,83.0 1100.0,1210.5 479.2,1206.6 479.5,79.6 738.6,81.6 721.1,0.0 803.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0165/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[222.0,1205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2635127,37.8024294]}},{"type":"Feature","properties":{"resourceCoords":[222.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2646939,37.8028834]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0166__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0166","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"199.8,86.4 210.0,1214.5 -0.0,1215.1 -0.0,1368.0 387.2,1368.0 419.4,1203.9 441.8,1124.7 471.5,1019.4 485.0,778.7 487.7,729.4 590.4,726.8 620.5,726.1 649.6,694.6 649.7,725.3 1100.0,715.2 1100.0,117.1 1029.5,0.0 981.5,0.0 1003.7,76.5 199.8,86.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0166__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[358.0,461.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.264285,37.8059158]}},{"type":"Feature","properties":{"resourceCoords":[358.0,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2631035,37.8054512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0167__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0167","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"816.7,1261.8 816.8,1368.0 1100.0,1368.0 1100.0,1221.0 1100.0,-0.0 78.2,-0.0 80.0,1212.0 840.9,1216.6 816.7,1261.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0167__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[454.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2633221,37.8003809]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2645023,37.8008435]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0168/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0168","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.0,1368.0 47.2,1313.7 208.8,1314.7 209.7,1177.9 47.8,1177.0 52.3,80.3 806.9,89.1 782.7,133.9 782.2,239.2 1063.1,240.8 1064.4,-0.0 1100.0,-0.0 1100.0,720.3 731.1,718.6 730.2,907.9 792.3,908.4 791.0,1182.0 417.8,1179.5 416.7,1368.0 47.0,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0168/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[420.0,906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2646158,37.798306]}},{"type":"Feature","properties":{"resourceCoords":[791.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638622,37.7971519]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0169/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0169","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.5,281.8 544.5,279.2 544.4,90.0 919.0,90.0 919.0,123.6 1100.0,119.2 1087.8,1096.0 175.5,1095.9 173.5,281.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0169/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[919.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638622,37.7971519]}},{"type":"Feature","properties":{"resourceCoords":[173.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2662256,37.7980809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0170__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0170","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"632.5,59.0 635.2,701.6 706.9,704.0 776.7,704.5 964.0,705.8 984.2,705.9 985.6,713.3 1025.8,714.7 1013.1,861.7 1100.0,1060.8 1100.0,803.2 1100.0,706.4 1100.0,436.6 1100.0,0.0 920.3,0.0 920.1,59.0 632.5,59.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0170__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[660.3,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638622,37.7971519]}},{"type":"Feature","properties":{"resourceCoords":[920.1,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2634317,37.7978411]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0171/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0171","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"349.1,920.2 180.7,921.1 181.0,84.7 -0.0,82.7 -0.0,-0.0 1100.0,-0.0 1100.0,1368.0 348.1,1368.0 349.1,920.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0171/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[181.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2688075,37.7939519]}},{"type":"Feature","properties":{"resourceCoords":[556.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2676287,37.7934883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0175/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0175","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,1176.3 317.3,1174.9 219.5,1161.3 219.5,1048.2 -0.0,1048.2 -0.0,0.0 1100.0,-0.0 1100.0,1176.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0175/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[603.0,822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2492251,37.7990407]}},{"type":"Feature","properties":{"resourceCoords":[603.0,470.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2483029,37.7996983]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0176/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0176","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.3,1052.2 209.2,-0.0 840.3,3.5 836.7,1051.7 210.3,1052.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0176/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[774.0,817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.246736,37.7968376]}},{"type":"Feature","properties":{"resourceCoords":[774.0,463.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.245811,37.7974958]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0177/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0177","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"642.0,1162.0 641.9,1050.1 288.6,1052.0 289.1,1368.0 219.9,1368.0 218.6,1043.6 -0.0,1044.5 -0.0,0.0 967.5,-0.0 995.6,1161.8 642.0,1162.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0177/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[287.0,458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.244985,37.7967645]}},{"type":"Feature","properties":{"resourceCoords":[642.0,1162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460028,37.7947171]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0178/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0178","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,907.3 1022.7,920.4 1022.0,1172.0 22.1,1167.8 0.0,-0.0 1100.0,-0.0 1100.0,907.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0178/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,463.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2416649,37.7938335]}},{"type":"Feature","properties":{"resourceCoords":[1022.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2428271,37.7919092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0179/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0179","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.2,970.6 58.2,832.0 137.3,836.0 327.4,-0.0 985.1,-0.0 980.2,92.9 1100.0,96.7 1100.0,1368.0 -0.0,1368.0 -0.0,1273.3 69.9,980.1 26.2,970.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23754945269371,37.79259066035232]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24029161872204,37.78950632985279]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24340802559954,37.79126107348911]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0180/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0180","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.8,108.4 -0.0,110.9 -0.0,-0.0 1100.0,-0.0 1100.0,23.6 993.8,26.6 1014.1,286.5 1100.0,283.4 1100.0,469.8 1019.3,471.5 1025.5,655.0 1100.0,653.6 1100.0,841.4 1016.2,843.5 1035.2,1368.0 907.8,1368.0 897.8,1125.8 288.9,1151.0 292.8,1368.0 183.7,1356.0 117.8,108.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23478387592732,37.79090055705363]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23777854857975,37.78788338671177]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24082703104084,37.78979975361383]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0181/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0181","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"378.5,1368.0 5.3,1368.0 -0.0,1196.5 -0.0,1172.8 -0.0,0.0 1100.0,-0.0 1100.0,65.7 970.9,1196.9 378.5,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23203859948333,37.78918698025492]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23491388484533,37.78612107001777]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23801153853712,37.7879610822117]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0182/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0182","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.5,47.2 109.7,-0.0 983.4,-0.0 984.9,59.0 1044.3,58.5 1053.0,804.1 1053.0,804.1 1057.3,1183.0 -0.0,1195.8 -0.0,49.0 110.5,47.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22936358694841,37.78747118483356]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23226764409806,37.78448617572627]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23528349163291,37.786344641693624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0183/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0183","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.9,1189.6 59.5,62.5 -0.0,61.6 0.0,-0.0 1100.0,-0.0 1080.4,1368.0 413.1,1368.0 416.7,1126.8 295.8,1125.0 86.0,1255.7 43.9,1189.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22661096028465,37.785880782149874]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22941217302817,37.78284462611464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23247962751074,37.784637316251874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0184/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0184","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.4,1368.0 79.7,7.5 1068.3,-0.0 404.4,184.8 460.8,387.3 660.3,258.9 644.8,1048.3 687.5,1201.7 641.8,1201.5 638.5,1368.0 84.4,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0184/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[331.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2260473,37.7853148]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2291916,37.7831658]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0185__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0185","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,1188.1 1100.0,-0.0 415.6,0.0 411.3,325.5 321.5,375.2 296.1,375.3 0.0,375.5 -0.0,1066.2 59.1,1066.7 61.7,1183.1 1100.0,1188.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0185__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[772.0,833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2536635,37.7985413]}},{"type":"Feature","properties":{"resourceCoords":[418.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2554144,37.798615]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0186/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0186","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"297.8,1063.5 271.0,1063.4 268.8,100.0 1100.0,113.1 1100.0,1066.7 1006.7,1066.4 1006.5,1174.8 298.5,1172.0 297.8,1063.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0186/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1007.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2511727,37.7963343]}},{"type":"Feature","properties":{"resourceCoords":[1007.0,113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2493203,37.7976494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0187/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0187","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"204.5,1065.4 206.2,116.0 266.6,116.2 258.2,-0.0 1100.0,-0.0 1100.0,1175.7 817.0,1174.2 816.9,1065.7 204.5,1065.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0187/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[464.0,470.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2494219,37.7962599]}},{"type":"Feature","properties":{"resourceCoords":[464.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2512688,37.7949438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0188/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0188","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.5,1060.8 182.3,316.0 251.5,327.4 252.8,-0.0 606.5,-0.0 606.0,112.0 960.0,113.7 957.3,1173.5 249.6,1169.8 249.9,1061.2 181.5,1060.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0188/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[606.0,1171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2487721,37.7927391]}},{"type":"Feature","properties":{"resourceCoords":[606.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460028,37.7947171]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0189/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0189","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.4,313.2 40.8,313.2 43.3,104.1 1053.9,112.1 1055.3,-0.0 1100.0,-0.0 1076.3,1192.0 30.4,1177.3 40.4,313.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24243245890463,37.79202419556292]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24593190478622,37.78947641166907]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24850618224346,37.791715749883195]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0190/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0190","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.2,1368.0 16.8,1368.0 -0.0,1120.4 25.4,990.9 63.0,1007.2 241.0,240.3 954.4,220.6 959.7,462.4 1060.4,462.8 1062.5,648.8 1100.0,648.5 1100.0,835.5 1062.6,835.5 1063.5,1196.5 32.6,1240.2 52.2,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0190/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[686.0,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2434202,37.7891871]}},{"type":"Feature","properties":{"resourceCoords":[686.0,461.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.242624,37.7900222]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0191/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0191","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,205.9 481.5,218.3 486.7,-0.0 1100.0,-0.0 1100.0,1216.0 88.0,1184.4 95.0,823.2 132.4,823.8 136.5,636.6 98.9,636.3 100.9,450.1 -0.0,448.0 -0.0,205.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23780876215505,37.78876982171227]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24062547003085,37.78567661897266]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24375068006987,37.78747915585239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0192/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0192","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"252.1,1165.1 142.4,1168.1 121.0,247.8 248.7,250.9 249.4,270.0 621.6,282.4 620.7,97.0 993.1,96.7 994.8,283.3 677.5,282.5 683.3,470.1 996.2,470.2 997.9,656.4 689.1,656.3 700.7,1029.4 997.0,1030.0 997.4,1214.7 383.7,1199.5 253.0,1217.5 252.1,1165.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0192/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[622.0,470.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2373734,37.7868786]}},{"type":"Feature","properties":{"resourceCoords":[251.0,843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2392131,37.7866728]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0193/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0193","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"297.2,1048.8 298.7,988.0 -0.0,979.8 -0.0,604.0 311.3,612.1 315.4,424.6 -0.0,416.4 -0.0,227.6 319.9,236.6 324.1,48.7 1100.0,65.6 1040.1,407.2 991.3,1193.2 600.5,1183.0 604.1,1061.0 297.2,1048.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23322613809879,37.78594237946503]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23600111906134,37.782844344446985]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2391310911617,37.784620246623966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0194/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0194","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"392.4,1184.2 391.7,1209.5 79.8,1195.1 100.8,408.8 148.6,65.8 639.9,67.8 683.0,132.5 887.4,-0.0 1006.8,-0.0 1009.5,448.9 875.5,449.7 878.9,1192.4 392.4,1184.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0194/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[611.0,818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2336701,37.7833538]}},{"type":"Feature","properties":{"resourceCoords":[442.0,289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2330147,37.7848075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0195/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0195","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1024.7,236.7 1020.8,1198.8 228.2,1190.8 232.2,449.5 366.1,450.1 366.9,240.2 1024.7,236.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0195/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[231.0,815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2329206,37.782909]}},{"type":"Feature","properties":{"resourceCoords":[1024.0,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.229922,37.7823976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0196/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0196","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.3,1186.3 94.9,239.2 641.8,241.1 644.6,76.8 690.7,77.1 776.5,389.7 795.4,384.5 812.7,448.6 953.3,448.9 942.0,926.4 1013.0,1188.5 94.3,1186.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0196/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[95.0,447.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.229922,37.7823976]}},{"type":"Feature","properties":{"resourceCoords":[95.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2291916,37.7831658]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0197/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0197","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,1368.0 186.0,1368.0 256.6,1131.3 20.4,1130.5 19.5,1368.0 -0.0,1368.0 -0.0,883.3 224.0,138.4 -0.0,207.8 0.0,0.0 1100.0,-0.0 1100.0,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0197/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1025.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.223638,37.7820071]}},{"type":"Feature","properties":{"resourceCoords":[1025.0,406.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2232281,37.7828265]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0198/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0198","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,1287.2 223.8,1133.9 -0.0,1072.3 -0.0,800.2 135.9,341.2 -0.0,304.2 -0.0,0.0 236.3,-0.0 166.6,237.1 1081.1,233.7 1080.2,-0.0 1100.0,-0.0 1100.0,1287.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0198/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1005.0,830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2252722,37.7787649]}},{"type":"Feature","properties":{"resourceCoords":[1005.0,432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2247481,37.7798014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0199/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0199","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"503.5,1368.0 -0.0,1368.0 -0.0,0.0 517.0,-0.0 520.6,115.9 945.8,115.8 947.8,837.1 1100.0,835.0 1100.0,1200.6 883.6,1202.0 882.4,1100.3 500.3,1104.4 503.5,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2545831,37.798362]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2581897,37.795834199999994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2607621,37.7981257]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0200/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0200","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"287.0,1084.5 288.0,1187.2 150.3,1187.9 151.3,824.4 -0.0,826.4 -0.0,108.3 605.2,107.7 604.5,-0.0 631.1,-0.0 632.2,107.5 984.0,108.0 985.5,1183.4 635.3,1184.3 628.5,1081.3 287.0,1084.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0200/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[281.0,822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2564723,37.7965521]}},{"type":"Feature","properties":{"resourceCoords":[984.0,108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2529264,37.7964118]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0201/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0201","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"905.1,1105.2 823.7,1102.4 824.1,1179.4 119.0,1180.0 119.0,107.0 468.9,107.3 468.8,-0.0 906.7,-0.0 906.6,106.6 1100.0,105.8 1100.0,460.5 906.0,457.8 905.1,1105.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0201/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[119.0,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2557683,37.7944036]}},{"type":"Feature","properties":{"resourceCoords":[119.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2529264,37.7964118]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0202/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0202","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1187.3 -0.0,462.5 194.8,464.9 194.3,108.7 -0.0,109.7 0.0,-0.0 264.5,-0.0 265.2,108.3 547.8,108.3 547.2,-0.0 615.4,-0.0 615.9,108.2 971.0,107.0 974.8,1368.0 622.2,1368.0 620.2,1185.8 -0.0,1187.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[971.0,823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2506624,37.7914072]}},{"type":"Feature","properties":{"resourceCoords":[971.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2487721,37.7927391]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0203/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0203","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"990.3,819.7 983.5,1368.0 320.5,1365.3 319.2,103.9 1019.0,104.0 1020.7,819.7 990.3,819.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[318.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2516153,37.7907322]}},{"type":"Feature","properties":{"resourceCoords":[1019.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2471238,37.7912803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1368.0 452.5,1368.0 452.6,827.8 387.3,815.6 388.8,105.8 37.0,105.0 37.0,815.0 6.8,815.0 1.9,1146.5 -0.0,1147.2 -0.0,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[37.0,815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2490053,37.7899428]}},{"type":"Feature","properties":{"resourceCoords":[37.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2471238,37.7912803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"535.4,102.0 535.4,814.0 601.0,826.1 602.1,1368.0 1100.0,1368.0 1100.0,837.6 1100.0,643.1 1002.0,663.0 917.2,461.4 882.8,468.1 829.7,270.4 818.8,99.2 535.4,102.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0204__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[535.4,814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2481719,37.7892065]}},{"type":"Feature","properties":{"resourceCoords":[535.4,102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2462874,37.7905404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0205/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0205","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1368.0 -0.0,863.2 167.1,797.5 53.9,509.6 -0.0,530.7 -0.0,0.0 389.0,-0.0 389.0,103.5 750.3,105.2 750.3,-0.0 1100.0,-0.0 1100.0,1269.2 1100.0,1281.2 1100.0,1368.0 -0.0,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0205/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[389.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2582579,37.7965918]}},{"type":"Feature","properties":{"resourceCoords":[389.0,458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.259166,37.7959397]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0206/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0206","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,109.4 1100.0,458.6 984.3,456.7 964.4,858.2 1100.0,859.8 1100.0,1368.0 -0.0,1368.0 -0.0,1346.0 88.0,1346.7 103.5,94.9 1100.0,109.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0206/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[459.0,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.256674,37.7937433]}},{"type":"Feature","properties":{"resourceCoords":[459.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2557683,37.7944036]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0207/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0207","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.9,1368.0 166.8,1022.5 -0.0,1028.8 -0.0,533.8 142.4,529.0 121.2,99.7 215.4,96.4 211.7,-0.0 313.8,-0.0 316.8,92.9 1090.1,65.8 1100.0,1368.0 183.9,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0207/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[478.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2554916,37.7912417]}},{"type":"Feature","properties":{"resourceCoords":[656.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2532656,37.7921907]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0208/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0208","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"79.6,1368.0 99.1,612.9 1097.9,601.9 1100.0,1368.0 79.6,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24890923328923,37.79012278952184]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2525993721466,37.78755694127567]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25519181168056,37.789918388344994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"279.7,560.2 333.9,1176.6 -0.0,1206.0 -0.0,1368.0 1100.0,1368.0 1100.0,1211.3 1012.4,865.5 1100.0,839.9 1100.0,658.5 946.5,605.8 920.5,502.9 474.4,502.6 279.7,560.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[145.0,743.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2473262,37.7883368]}},{"type":"Feature","properties":{"resourceCoords":[184.0,589.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2467174,37.7885388]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"482.6,424.4 764.6,502.8 970.9,502.9 972.9,415.8 1090.3,412.4 1100.0,37.6 349.8,59.9 74.0,92.4 140.6,427.9 482.6,424.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0215__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[726.0,422.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2449844,37.7875046]}},{"type":"Feature","properties":{"resourceCoords":[358.0,422.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460337,37.788146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,1050.9 1039.4,970.2 1100.0,971.4 1100.0,907.6 1033.0,906.0 1031.5,550.8 413.5,527.6 281.6,544.2 281.4,496.5 170.9,497.0 171.4,542.3 194.4,542.6 191.3,906.4 -0.0,906.5 -0.0,1368.0 677.7,1368.0 693.0,1116.1 1100.0,1143.3 1100.0,1050.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[656.0,906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2397011,37.7844111]}},{"type":"Feature","properties":{"resourceCoords":[1033.0,906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2386372,37.7837909]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,457.9 1100.0,98.8 92.3,80.7 77.0,460.8 1100.0,457.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0216__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[447.0,460.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2428738,37.7862681]}},{"type":"Feature","properties":{"resourceCoords":[77.0,460.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2439245,37.7868914]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0217/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0217","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"203.8,906.5 362.7,725.1 385.7,145.1 477.9,143.1 556.8,80.9 557.2,141.4 620.8,140.1 620.6,73.1 1100.0,63.0 1100.0,369.8 978.0,371.0 971.8,1148.0 629.3,1154.2 627.6,1065.6 349.3,1059.1 350.4,1012.7 165.9,1007.1 145.4,1028.1 203.8,906.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23781223561642,37.78497087487686]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2340282581994,37.78263776954404]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23638532571869,37.78021604895282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0218__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0218","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.4,1094.1 442.7,1368.0 901.5,1368.0 859.9,0.0 835.5,0.0 836.2,71.3 507.0,85.0 503.9,0.0 176.7,0.0 35.1,1095.8 484.4,1094.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0218__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[507.0,435.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2346345,37.7813307]}},{"type":"Feature","properties":{"resourceCoords":[507.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2356283,37.7819662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0219/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0219","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"218.8,0.0 583.9,0.0 528.9,286.6 1011.4,308.2 987.9,1368.0 450.2,1368.0 437.2,1136.2 65.0,1136.6 56.4,1071.8 223.8,1071.1 218.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2317530605632,37.78122334189774]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22795600768839,37.778982752940955]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23021949752415,37.77655254484754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0220/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0220","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,645.7 140.6,628.1 61.3,0.0 423.4,0.0 434.8,225.2 957.8,225.7 1034.1,1083.6 1100.0,1066.5 1100.0,1368.0 -0.0,1368.0 -0.0,645.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,1111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2265185,37.7763161]}},{"type":"Feature","properties":{"resourceCoords":[436.0,250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2292188,37.7775089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0221/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0221","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,68.2 968.0,29.1 989.2,491.9 1100.0,486.8 1100.0,1368.0 -0.0,1368.0 -0.0,663.3 108.7,659.3 161.8,449.8 -0.0,344.1 -0.0,68.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0221/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[875.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2418781,37.7855804]}},{"type":"Feature","properties":{"resourceCoords":[121.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2439245,37.7868914]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0223/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0223","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"169.4,1368.0 131.4,1368.0 -0.0,1240.1 0.0,0.0 1000.4,-0.0 1090.1,66.3 1100.0,939.0 827.6,680.2 169.4,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23709961056738,37.78191930702093]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24016489504834,37.779015200165865]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24309878839178,37.78097698888181]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0224/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0224","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.3,265.1 348.0,263.0 352.3,632.4 953.0,30.4 959.6,151.7 997.6,251.9 962.4,287.0 969.5,627.5 936.5,666.5 906.6,1051.0 855.0,1368.0 697.1,1368.0 670.0,1184.9 49.0,1201.0 37.0,730.0 180.4,727.5 172.3,265.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0224/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[348.0,263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2393502,37.780961]}},{"type":"Feature","properties":{"resourceCoords":[49.0,1201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2400771,37.7782456]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0225__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0225","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,702.4 -0.0,1213.3 866.8,1164.7 851.0,73.3 876.7,46.9 1100.0,45.4 1100.0,0.0 856.8,0.0 625.0,244.8 574.3,249.1 366.1,427.7 366.1,470.6 315.8,470.8 282.9,499.0 -0.0,702.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0225__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[480.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2355706,37.7786446]}},{"type":"Feature","properties":{"resourceCoords":[219.0,1238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2351881,37.7774409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0226/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0226","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"971.3,1368.0 -0.0,1368.0 -0.0,0.0 1100.0,-0.0 1100.0,168.5 1040.0,176.2 1052.4,225.1 1025.2,224.9 978.7,765.2 971.3,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23058319402698,37.777533211638236]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23336157119952,37.77452097230966]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23640451785747,37.776299249724715]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0227/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0227","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.3,1048.2 218.9,557.1 317.9,43.8 352.3,48.4 346.2,-0.0 1100.0,-0.0 1100.0,1144.5 152.3,1048.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2287567,37.776206]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2311358,37.7728347]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2345654,37.7743468]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0228/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0228","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"164.3,163.9 881.7,257.6 915.4,-0.0 1100.0,-0.0 1100.0,1183.5 934.6,1181.1 941.0,1213.2 158.9,1217.5 164.3,163.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[911.0,1066.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2282265,37.7726156]}},{"type":"Feature","properties":{"resourceCoords":[627.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2293697,37.7726338]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0229/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0229","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,767.0 -0.0,608.1 -0.0,315.6 638.3,-0.0 1093.5,-0.0 1097.4,788.1 -0.0,767.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23977650226927,37.77959260969145]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24466448070889,37.77913098721619]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2451308318667,37.782259344471505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0230/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0230","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.0,1368.0 -0.0,1368.0 -0.0,779.7 41.1,783.1 42.0,125.0 517.3,125.5 517.8,-0.0 1100.0,-0.0 1100.0,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23937805797677,37.7766741851216]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24417176390682,37.77619232872323]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24466148291708,37.77924201546239]}},{"type":"Feature","properties":{"resourceCoords":[42.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2402871,37.7795634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0232/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0232","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,708.5 176.4,701.1 151.0,113.9 659.5,92.5 690.5,278.5 852.1,276.0 847.4,305.0 1100.0,548.7 1100.0,812.6 1017.0,907.7 1100.0,980.1 1100.0,1368.0 -0.0,1368.0 -0.0,708.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23638153857459,37.778822569937695]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23598283202752,37.775048763868305]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23979510430138,37.77479357471509]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0235/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0235","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1368.0 -0.0,84.6 68.2,86.4 71.0,-0.0 1024.2,-0.0 1100.0,639.8 1100.0,798.3 1058.3,812.4 1100.0,1368.0 -0.0,1368.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23052548659251,37.773263021013285]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23330201371814,37.77007911022493]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23651819180405,37.77185630856254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0236/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727195202:00727_02_1952-0236","type":"ImageService3","width":1100,"height":1368},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,832.0 58.5,818.0 53.3,48.1 804.1,35.9 842.1,32.6 835.2,-0.0 1100.0,-0.0 1100.0,1368.0 -0.0,1368.0 -0.0,832.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1100.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22755186648513,37.771940831708285]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22989244139589,37.768653349021726]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1368.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23321317435814,37.77015153332359]}}]}}]}