{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00727_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, California | 1903 | 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":"139"},{"label":"placed","value":"116"},{"label":"unplaced","value":"23"},{"label":"fit sources","value":"georef 78, georef-snap 34, snap:0 3, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"16 sheet(s) cut into 35 panels"},{"label":"unplaced pages","value":"p0a__1 (tier 4, 37.80031,-122.24970 +/-3701m); p0a__2 (tier 4, 37.80031,-122.24970 +/-3701m); p0b__1 (tier 4, 37.80031,-122.24970 +/-3701m); p0b__2 (tier 4, 37.80031,-122.24970 +/-3701m); p131 (tier 1, 37.79159,-122.26884 +/-254m); p132 (tier 1, 37.79290,-122.27311 +/-246m); p149__2 (tier 1, 37.80567,-122.26267 +/-100m); p161__2 (tier 1, 37.81377,-122.25839 +/-100m); p163__2 (tier 1, 37.81864,-122.26181 +/-100m); p169__2 (tier 1, 37.81437,-122.25203 +/-100m); p174 (tier 1, 37.82513,-122.24600 +/-238m); p185__1 (tier 1, 37.80349,-122.23859 +/-184m); p185__2 (tier 1, 37.80463,-122.23867 +/-104m); p185__3 (tier 1, 37.80243,-122.23817 +/-100m); p185__4 (tier 1, 37.80396,-122.23905 +/-100m); p185__5 (tier 2, 37.82381,-122.25759 +/-100m); p192__1 (tier 1, 37.79017,-122.25292 +/-100m); p204 (tier 1, 37.78143,-122.23629 +/-254m); p229__2 (tier 2, 37.78690,-122.22918 +/-395m); p244__2 (tier 1, 37.78033,-122.23307 +/-100m); p247 (tier 2, 37.78377,-122.22267 +/-784m); p248__2 (tier 4, 37.80031,-122.24970 +/-3701m); p250__2 (tier 1, 37.79484,-122.21362 +/-103m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0133/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p133","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0133/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0133","type":"ImageService3","width":1433,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1258.9,0.0 1263.0,184.7 863.2,189.8 869.5,772.5 1270.5,761.3 1292.5,1930.3 1433.0,1912.2 1433.0,1942.2 -0.0,1973.5 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0133/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27799930620921,37.79416807365578]}},{"type":"Feature","properties":{"resourceCoords":[1433.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27651130046772,37.7964728377977]}},{"type":"Feature","properties":{"resourceCoords":[1433.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27239239502612,37.7947887479722]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27388040076761,37.79248398383028]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0134/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p134","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0134/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0134","type":"ImageService3","width":1433,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1105.7,0.0 1093.1,1772.0 730.0,1772.0 736.3,1032.4 221.3,1036.3 232.5,291.6 745.7,295.4 746.6,59.3 -0.0,44.3 0.0,0.0 1105.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0134/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,1772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2739616,37.7951203]}},{"type":"Feature","properties":{"resourceCoords":[1273.0,1772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2735397,37.7958076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0135/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p135","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0135/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0135","type":"ImageService3","width":1433,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1769.2 -0.0,-0.0 1097.7,0.0 1051.5,1584.7 610.4,1586.9 610.3,1769.6 -0.0,1769.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0135/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[716.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2731046,37.7965038]}},{"type":"Feature","properties":{"resourceCoords":[176.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2735397,37.7958076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0136/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p136","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0136/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0136","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1420.0,311.3 1225.8,315.8 1260.7,1754.3 -0.0,1652.8 -0.0,-0.0 1420.0,0.0 1218.5,31.2 1223.8,252.1 1420.0,246.9 1420.0,311.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0136/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27570922949697,37.79813301213955]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27450211833194,37.79995620751516]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27121380387857,37.79857760582458]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2724209150436,37.796754410448976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0137/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p137","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0137/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0137","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1240.0,1761.0 152.9,1760.0 167.8,290.7 367.0,291.8 369.2,226.1 239.3,225.3 167.9,225.6 170.3,0.0 1250.7,0.0 1248.8,241.2 1420.0,241.8 1420.0,296.9 1248.4,296.8 1240.0,1761.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0137/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,1026.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2725538,37.7997219]}},{"type":"Feature","properties":{"resourceCoords":[1240.0,1761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2709537,37.7999454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0138/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p138","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0138/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0138","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1251.0,1758.0 180.0,1758.0 176.4,311.7 345.9,310.4 345.4,256.0 176.3,256.8 176.3,18.6 1249.8,9.8 1251.0,1758.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0138/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[180.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2709537,37.7999454]}},{"type":"Feature","properties":{"resourceCoords":[1251.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27009,37.8013174]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0139/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p139","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0139/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0139","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.0,1768.0 160.4,0.0 1420.0,0.0 1420.0,274.6 1246.0,274.0 1245.5,1765.7 159.0,1768.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0139/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[159.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27009,37.8013174]}},{"type":"Feature","properties":{"resourceCoords":[1246.0,274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2716226,37.8036339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0140/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p140","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0140/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0140","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.7,1695.2 131.6,1720.1 98.7,293.1 264.4,290.6 258.3,28.0 -0.0,32.6 -0.0,-0.0 1420.0,0.0 1420.0,183.9 1353.9,267.7 1382.7,1695.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0140/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27219343908882,37.80370531580604]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27096645718703,37.80557735979731]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26758978284178,37.80417617086187]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26881676474358,37.8023041268706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0141/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p141","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0141/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0141","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.0,1714.8 71.9,1659.0 -0.0,1657.1 -0.0,193.9 1302.1,199.8 1301.0,1722.0 139.0,1714.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0141/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2678204,37.8073063]}},{"type":"Feature","properties":{"resourceCoords":[1301.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2681901,37.8043627]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0142/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p142","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0142/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0142","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1990.4 -0.0,-0.0 170.6,-0.0 171.8,66.4 476.4,-0.0 812.0,-0.0 1042.2,892.1 1308.2,1403.3 1319.3,1988.0 -0.0,1990.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0142/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26733093954365,37.81119528951433]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26439180624085,37.810034380978614]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26648592058326,37.80667817530334]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26942505388607,37.807839083839056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0143/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p143","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0143/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0143","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"483.9,152.7 1420.0,151.1 1420.0,1868.2 1327.7,1868.2 1327.7,1828.2 -0.0,1822.5 -0.0,752.4 623.1,747.4 623.7,717.9 484.5,733.8 483.9,152.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0143/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[482.0,1864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2704148,37.7937345]}},{"type":"Feature","properties":{"resourceCoords":[902.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2735397,37.7958076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0144/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p144","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0144/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0144","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"176.6,145.1 -0.0,144.8 -0.0,-0.0 348.1,0.0 346.8,44.9 1346.6,154.1 1343.4,1879.3 178.5,1874.0 176.6,145.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0144/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27348517152531,37.796482962940765]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27204996795324,37.798809108487916]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26785461945083,37.797169976146684]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2692898230229,37.79484383059953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0145/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p145","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0145/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0145","type":"ImageService3","width":1455,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.9,1868.4 75.8,148.7 1337.5,140.2 1343.5,1860.3 81.9,1868.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0145/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[922.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2674028,37.7985436]}},{"type":"Feature","properties":{"resourceCoords":[502.0,146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2713725,37.7992606]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0146/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p146","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0146/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0146","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.0,1864.2 78.3,148.9 1343.4,149.6 1338.2,1865.2 72.0,1864.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0146/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[74.0,1291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2681593,37.7996972]}},{"type":"Feature","properties":{"resourceCoords":[1340.0,1291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2668676,37.8017705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0147/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p147","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0147/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0147","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1420.0,1870.4 41.1,1867.5 49.4,152.8 1269.6,155.4 1251.3,725.9 1420.0,726.8 1420.0,1870.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0147/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1005.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2646939,37.8028834]}},{"type":"Feature","properties":{"resourceCoords":[472.0,153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2687996,37.803389]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0148/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p148","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0148/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0148","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"161.7,1874.8 154.6,726.3 -0.0,726.5 -0.0,153.5 1317.0,148.6 1317.0,1866.4 161.7,1874.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0148/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1317.0,1293.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.264285,37.8059158]}},{"type":"Feature","properties":{"resourceCoords":[1317.0,722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2654615,37.8063784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0149__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 | 1903 | sanborn00727_003 p149 [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":"5724.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0149__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0149","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"175.4,2038.0 895.8,2038.0 895.8,1571.9 994.8,1326.7 1431.0,1326.5 1431.0,1281.6 1272.6,1297.9 1148.8,94.5 945.6,160.5 387.2,88.3 133.2,1757.5 214.2,1769.0 175.4,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0149__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[218.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.264285,37.8059158]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2631035,37.8054512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150__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 | 1903 | sanborn00727_003 p150 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5565.6"},{"label":"split_canvas_w","value":"5724.0"},{"label":"split_canvas_h","value":"2586.4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"395.4,2038.0 1233.2,2038.0 1203.6,1940.2 1431.0,1877.0 1431.0,1392.4 324.8,1391.6 451.9,1590.0 442.2,1667.0 366.0,1655.5 432.8,1741.2 395.4,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1391.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26256506256728,37.79983965263875]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,1391.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25944316167308,37.7989757063254]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25993687420129,37.79785894333268]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26305877509549,37.79872288964603]}},{"type":"Feature","properties":{"resourceCoords":[92.0,1696.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2625976,37.7992578]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150__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 | 1903 | sanborn00727_003 p150 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5724.0"},{"label":"split_canvas_h","value":"5569.6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1391.4 58.8,1391.5 1431.0,1369.0 1431.0,86.6 369.6,88.7 0.0,169.9 0.0,1391.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0150__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[890.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.265845,37.8098071]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.265612,37.8106779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0151/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p151","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0151/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0151","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1352.5,1166.4 1431.0,1166.3 1431.0,2038.0 -0.0,2038.0 0.0,0.0 1354.5,0.0 1352.5,1166.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0151/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[930.0,1167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2676287,37.7934883]}},{"type":"Feature","properties":{"resourceCoords":[930.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2699808,37.7944147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0152/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p152","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0152/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0152","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.0,1168.0 77.8,30.1 1332.6,23.2 1328.9,1736.3 1393.7,1734.1 1391.2,2038.0 157.3,2038.0 156.2,1167.8 77.0,1168.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0152/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2683672,37.7946514]}},{"type":"Feature","properties":{"resourceCoords":[77.0,1168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26719,37.7941863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0153/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p153","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0153/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0153","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.2,42.5 1337.2,38.2 1338.3,2038.0 148.2,2034.2 151.2,1733.8 87.2,1735.8 94.2,42.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0153/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[922.0,1164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2650491,37.7976185]}},{"type":"Feature","properties":{"resourceCoords":[922.0,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638622,37.7971519]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0154/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p154","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0154/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0154","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.6,43.6 1342.3,39.7 1343.2,1156.5 1431.0,1156.2 1431.0,1752.0 1294.5,1883.0 1431.0,1880.8 1431.0,2038.0 1283.8,2038.0 1268.4,1887.2 1087.1,2038.0 1010.8,2038.0 1012.8,1962.5 937.3,2038.0 100.8,2038.0 100.6,43.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0154/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[928.0,1158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2637544,37.7996876]}},{"type":"Feature","properties":{"resourceCoords":[928.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2661111,37.800613]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0155/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p155","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0155/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0155","type":"ImageService3","width":1421,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.0,139.4 1263.7,150.9 1264.0,2033.8 -0.0,2038.0 141.1,1904.8 145.6,1291.0 55.5,1290.1 63.0,139.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0155/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26602846400334,37.801312069536]}},{"type":"Feature","properties":{"resourceCoords":[1421.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26461391700998,37.803635654343076]}},{"type":"Feature","properties":{"resourceCoords":[1421.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26042586172049,37.802021356356484]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26184040871385,37.79969777154941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0156/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p156","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0156/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0156","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,151.4 1431.0,160.7 1431.0,2038.0 -0.0,2038.0 -0.0,151.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0156/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2647710321234,37.803378635948185]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26334962177678,37.80571418689597]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25916930141402,37.804103436139236]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26059071176064,37.80176788519145]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0157/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p157","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0157/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0157","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2038.0 192.0,0.0 1431.0,0.0 1431.0,1553.3 881.2,2002.9 284.4,1949.6 284.0,2038.0 0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0157/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[902.0,1550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2631334,37.8116263]}},{"type":"Feature","properties":{"resourceCoords":[176.0,603.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.265612,37.8106779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0158/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p158","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0158/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0158","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,590.9 1141.2,589.8 1138.2,0.0 1431.0,0.0 1431.0,1978.6 1387.3,2038.0 0.0,2038.0 0.0,1938.7 597.8,1989.1 608.8,1941.4 0.0,1884.8 0.0,590.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0158/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1350.0,1059.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638589,37.813113]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.264919,37.8132898]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0159/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p159","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0159/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0159","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1685.5 0.0,0.0 1431.0,0.0 1431.0,2038.0 1345.4,2038.0 983.0,1877.4 -0.0,1685.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0159/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2649281762775,37.81436159389777]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26347726441462,37.81673199835552]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25923389296219,37.81508807514126]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26068480482506,37.81271767068351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0160/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p160","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0160/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0160","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.9,1997.2 140.4,0.0 1431.0,0.0 1431.0,146.5 1363.9,358.5 1431.0,625.8 1431.0,2038.0 1068.2,2002.7 1049.5,2038.0 75.3,2038.0 19.0,1981.7 145.9,1997.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0160/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2635813949949,37.81648156077223]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2621066315996,37.818874027133646]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25782367756695,37.81720311401675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25929844096225,37.814810647655335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0161__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 | 1903 | sanborn00727_003 p161 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5724.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0161__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0161","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1018.6,272.6 112.9,710.1 -0.0,557.4 0.0,603.5 0.0,616.4 0.0,651.7 0.0,799.5 0.0,841.5 -0.0,2038.0 1431.0,2038.0 1431.0,206.6 1362.0,196.4 1018.6,272.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0161__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1255.0,914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2588524,37.8136318]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2575868,37.8128911]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0163__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 | 1903 | sanborn00727_003 p163 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5724.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0163__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0163","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1317.5,35.1 1430.8,0.0 273.6,0.0 273.8,409.5 0.0,399.4 -0.0,802.5 145.7,1037.2 462.6,2038.0 1431.0,2038.0 1282.2,1973.2 1409.9,154.4 1315.9,130.8 1317.5,35.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0163__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26276925177713,37.819491665396214]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26047044224651,37.82140550547797]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2570442099203,37.81880102612841]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25934301945091,37.81688718604665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0164/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p164","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0164/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0164","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1431.0,1922.1 -0.0,1906.0 -0.0,765.3 343.8,624.2 167.8,291.4 1131.7,110.0 1329.9,149.8 1417.0,983.5 1431.0,983.0 1431.0,1922.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0164/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25930484015981,37.81775622500367]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25664721828102,37.81929298594002]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25389612715753,37.81628189675439]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25655374903633,37.81474513581804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0165/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p165","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0165/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0165","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1425.3,-0.0 1431.0,2024.5 700.2,1942.5 681.0,2038.0 581.0,2038.0 543.5,1924.0 545.4,2038.0 -0.0,2038.0 -0.0,128.0 421.7,21.8 1425.3,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0165/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25825243360336,37.8246028903458]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25591518905257,37.82276516645479]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25920528757977,37.82011724800711]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26154253213056,37.821954971898116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0166/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p166","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0166/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0166","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.5,2038.0 103.2,-0.0 848.1,-0.0 1077.0,75.8 1002.2,137.5 1431.0,435.7 1431.0,1174.1 1393.6,1183.7 1359.4,1785.0 1252.3,2038.0 138.5,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0166/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25607126786062,37.822922770225176]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25376956412671,37.821059895194495]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25710462562189,37.818452190616696]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2594063293558,37.82031506564738]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0167/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p167","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0167/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0167","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"491.2,1827.9 499.0,1279.7 536.0,1268.5 510.9,680.6 510.9,680.6 504.6,531.5 63.8,251.9 151.7,172.9 508.6,97.0 1365.4,104.7 1345.1,1019.3 1431.0,1047.4 1431.0,1113.5 1343.7,1111.6 1340.8,1792.4 502.8,1791.0 491.2,1827.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0167/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2543528269173,37.8218371415664]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25215109129344,37.819896350948405]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25562559357897,37.817401869125945]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25782732920283,37.81934265974394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0168/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p168","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0168/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0168","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.3,1768.7 75.5,1108.8 162.1,1109.6 160.8,1044.2 75.2,1017.4 78.0,112.0 1351.2,105.9 1392.8,433.8 1283.3,445.8 1409.3,1330.3 1119.0,1216.5 1076.0,1254.0 1013.0,1855.4 86.3,1768.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0168/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1209.0,454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2512963,37.8178773]}},{"type":"Feature","properties":{"resourceCoords":[78.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2524304,37.8198572]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0169__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 | 1903 | sanborn00727_003 p169 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5776.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0169__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0169","type":"ImageService3","width":1444,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1444.0,565.4 84.7,159.9 41.6,487.0 40.2,2038.0 424.0,2038.0 1444.0,2038.0 1444.0,565.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0169__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[509.0,914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2536108,37.8156902]}},{"type":"Feature","properties":{"resourceCoords":[975.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2532322,37.8148566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0170/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p170","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0170/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0170","type":"ImageService3","width":1444,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1444.0,86.3 1444.0,2038.0 140.4,2038.0 -0.0,1958.5 -0.0,38.3 1444.0,86.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0170/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[236.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2509799,37.817648]}},{"type":"Feature","properties":{"resourceCoords":[961.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2503856,37.8172438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0171/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p171","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0171/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0171","type":"ImageService3","width":1439,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1439.0,0.0 1439.0,1988.5 185.6,1965.0 139.7,1237.8 -0.0,814.8 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0171/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25995090080556,37.825532140238955]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25766274938375,37.827330715065166]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25446050822475,37.82475293412739]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25674865964656,37.82295435930118]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0172/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p172","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0172/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0172","type":"ImageService3","width":1439,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.7,1975.1 94.9,47.6 -0.0,49.2 0.0,-0.0 1439.0,0.0 1439.0,1915.8 1367.4,1916.1 1366.7,1974.2 126.7,1975.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0172/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25789690041742,37.827273528417436]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25549845486103,37.829097642049724]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25225067039115,37.8263956670627]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25464911594754,37.82457155343041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0173/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p173","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0173/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0173","type":"ImageService3","width":1439,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1439.0,435.5 1412.6,1828.9 57.1,1903.7 58.4,1151.7 -0.0,1150.8 -0.0,170.4 66.8,170.7 65.8,390.6 523.1,396.1 1216.7,293.6 1331.0,435.9 1439.0,435.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0173/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25065993588034,37.82792485191696]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24836755104864,37.82603076325733]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25173987343005,37.823448232416524]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25403225826174,37.82534232107616]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0175/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p175","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0175/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0175","type":"ImageService3","width":1439,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.2,71.0 1439.0,-0.0 1439.0,1843.6 1205.0,1768.0 60.5,1794.2 75.2,71.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0175/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25372213701436,37.82562509337982]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25143593584386,37.823747918010355]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25477805384206,37.82117228322289]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25706425501257,37.82304945859236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0176/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p176","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0176/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0176","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"695.5,1881.1 139.2,1876.8 130.4,-0.0 1435.0,-0.0 1435.0,2038.0 708.8,2038.0 705.3,1884.2 695.5,1881.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0176/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[478.0,1869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2503856,37.8172438]}},{"type":"Feature","properties":{"resourceCoords":[1107.0,946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2478778,37.8177269]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0177/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p177","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0177/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0177","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.2,1831.0 298.9,9.8 1300.4,1.1 1255.9,1880.2 520.2,1788.4 145.2,1831.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0177/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25192352191206,37.82413280978156]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24942675969362,37.82239840748437]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25252320859649,37.819577637566766]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25501997081493,37.821312039863955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0178/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p178","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0178/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0178","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.0,246.3 1435.0,489.1 1367.8,489.9 1380.8,2028.8 -0.0,1883.9 -0.0,0.0 154.3,-0.0 154.2,254.7 1435.0,246.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0178/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24965588870899,37.82256548906634]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24721136216682,37.820784448723344]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25039101228752,37.81802263910914]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25283553882969,37.819803679452136]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0179/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p179","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0179/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0179","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.1,1934.1 -0.0,-0.0 1435.0,-0.0 1435.0,1823.2 74.7,1777.0 72.7,1875.7 1.1,1934.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0179/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2460501,37.833928]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2437401,37.8320336]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2471466,37.8294425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2494566,37.8313369]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0180/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p180","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0180/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0180","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2038.0 -0.0,153.9 69.8,96.3 71.7,-0.0 1435.0,35.5 1435.0,1220.3 1023.4,1182.6 1023.2,2038.0 -0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0180/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24901740574435,37.831667782549324]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2466695569415,37.8297116143852]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25016228747306,37.827059356257315]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25251013627592,37.82901552442144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0181/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p181","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0181/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0181","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1300.2 142.2,1186.7 42.6,494.9 49.8,38.9 1148.7,47.8 1106.7,470.8 1435.0,473.4 1435.0,2038.0 -0.0,2038.0 -0.0,1300.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0181/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25134614617708,37.827330995660205]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24897292804276,37.82916172804782]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24570428524248,37.826480710743986]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2480775033768,37.82464997835637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0182/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p182","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0182/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0182","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.0,1651.5 54.2,194.1 -0.0,193.6 -0.0,-0.0 1435.0,0.0 1435.0,2038.0 -0.0,2038.0 -0.0,1650.8 76.0,1651.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0182/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23494285473906,37.82669813533683]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2318947362926,37.827721746483]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2300671783038,37.82427824529945]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23311529675026,37.82325463415328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183__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 | 1903 | sanborn00727_003 p183 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3827.6"},{"label":"split_canvas_w","value":"5740.0"},{"label":"split_canvas_h","value":"4324.4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"233.0,2038.0 475.0,2038.0 1435.0,2038.0 1435.0,1550.4 1368.4,1523.0 1235.1,963.5 482.6,959.4 0.0,956.9 0.0,959.4 -0.0,2038.0 233.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1187.0,995.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460947,37.8219782]}},{"type":"Feature","properties":{"resourceCoords":[118.0,1381.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2485517,37.8227801]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183__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 | 1903 | sanborn00727_003 p183 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5740.0"},{"label":"split_canvas_h","value":"3858.4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.0,36.4 -0.0,64.5 0.0,956.9 482.6,959.4 1435.0,964.6 1435.0,36.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0183__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[389.0,680.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2356447,37.8253016]}},{"type":"Feature","properties":{"resourceCoords":[1206.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2335275,37.8243487]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0184/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p184","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0184/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0184","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.0,2038.0 158.9,2038.0 -0.0,1924.7 -0.0,-0.0 1435.0,-0.0 1435.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0184/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2444723288329,37.82408956189353]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2416056561891,37.82282112344923]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24387021760549,37.81958244410053]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2467368902493,37.82085088254483]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0186/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p186","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0186/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0186","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1435.8 -0.0,1174.2 182.4,948.3 46.6,729.8 -0.0,482.9 -0.0,-0.0 1435.0,0.0 1435.0,1842.5 954.6,1907.4 435.3,1839.2 -0.0,1435.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0186/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25222382331735,37.803323070378255]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24897118477264,37.80378297102744]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24815034249602,37.80010723201427]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25140298104073,37.79964733136509]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0187/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p187","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0187/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0187","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"297.3,1676.6 65.0,1253.1 -0.0,1288.7 -0.0,-0.0 1368.8,-0.0 1370.4,2038.0 -0.0,2038.0 202.0,1911.3 129.4,1840.2 297.3,1676.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0187/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1369.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2582579,37.7965918]}},{"type":"Feature","properties":{"resourceCoords":[1369.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2554144,37.798615]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0188/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p188","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0188/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0188","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2038.0 -0.0,392.7 256.2,391.8 254.3,-0.0 1333.9,-0.0 1336.0,626.0 1435.0,625.7 1435.0,1696.8 1161.7,1848.9 1162.4,2036.2 -0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0188/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[258.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.259166,37.7959397]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2575144,37.7944808]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0189/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p189","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0189/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0189","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.0,634.0 178.0,98.0 1261.4,102.4 1260.8,1242.3 1098.0,1275.3 1091.6,2023.3 -0.0,2038.0 -0.0,1851.5 272.8,1680.6 276.6,634.0 178.0,634.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0189/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[178.0,634.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2575144,37.7944808]}},{"type":"Feature","properties":{"resourceCoords":[178.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2565958,37.7951349]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0190/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p190","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0190/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0190","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1252.0,86.0 1256.4,622.2 1435.0,620.8 1435.0,950.1 1435.0,2038.0 -0.0,2038.0 -0.0,1280.3 164.7,1245.5 155.4,91.0 1252.0,86.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0190/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[987.0,624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2545831,37.7919057]}},{"type":"Feature","properties":{"resourceCoords":[1252.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2532656,37.7921907]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0191/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p191","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0191/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0191","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"352.5,636.0 174.0,636.0 173.8,-0.0 1435.0,-0.0 1435.0,2038.0 340.9,2038.0 352.5,636.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0191/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[174.0,636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2541732,37.7915448]}},{"type":"Feature","properties":{"resourceCoords":[174.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2532656,37.7921907]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0192__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 | 1903 | sanborn00727_003 p192 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5708.0"},{"label":"split_canvas_h","value":"4993.6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0192__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0192","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"340.6,1248.4 889.4,1248.4 1427.0,1032.2 1427.0,53.2 1261.8,107.7 1243.0,-0.0 354.7,-0.0 340.6,1248.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0192__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[719.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2507585,37.7899972]}},{"type":"Feature","properties":{"resourceCoords":[186.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2516153,37.7907322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0193/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p193","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0193/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0193","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1246.8,186.6 1246.8,415.5 1427.0,414.4 1427.0,1832.7 1252.5,1833.0 1252.1,1745.9 182.1,1748.1 173.0,189.0 1246.8,186.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0193/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[710.0,189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2545862,37.7978804]}},{"type":"Feature","properties":{"resourceCoords":[173.0,189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2554144,37.798615]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0194/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p194","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0194/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0194","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"363.6,1832.5 370.1,422.9 1259.7,421.7 1259.7,736.0 1427.0,736.4 1427.0,1283.0 1258.6,1281.8 1261.5,1835.3 363.6,1832.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0194/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[724.0,1282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2548089,37.7950809]}},{"type":"Feature","properties":{"resourceCoords":[190.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2565958,37.7951349]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0195/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p195","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0195/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0195","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1259.8,1830.6 180.4,1830.8 175.7,1273.0 345.5,1273.6 343.7,722.5 175.0,722.8 173.1,-0.0 1250.2,-0.0 1259.8,1830.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0195/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[712.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2531532,37.7936134]}},{"type":"Feature","properties":{"resourceCoords":[712.0,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2512688,37.7949438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0196/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p196","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0196/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0196","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"184.2,183.2 1258.7,185.1 1257.6,414.8 1427.0,405.1 1427.0,1726.4 190.2,1726.5 184.2,183.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0196/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1256.0,1275.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2506624,37.7914072]}},{"type":"Feature","properties":{"resourceCoords":[718.0,185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2496104,37.7934786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0198/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p198","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0198/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0198","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1665.2 -0.0,326.8 62.6,326.1 61.6,105.8 1054.6,93.8 1078.0,450.4 1419.0,382.9 1419.0,2018.4 272.7,2038.0 267.6,1714.6 96.6,1775.2 75.2,1663.5 -0.0,1665.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0198/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24703684214515,37.79149046603389]}},{"type":"Feature","properties":{"resourceCoords":[1419.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24490022976642,37.789571423906025]}},{"type":"Feature","properties":{"resourceCoords":[1419.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24836343004263,37.78712925211837]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25050004242136,37.789048294246236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0199/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p199","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"13"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0199/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0199","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"519.4,243.8 1080.5,322.9 1116.0,623.4 1228.7,763.4 1427.0,897.6 1427.0,2038.0 -0.0,2038.0 -0.0,1376.0 358.1,1413.1 519.4,243.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0199/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2460337,37.788146]}},{"type":"Feature","properties":{"resourceCoords":[290.0,823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2473262,37.7883368]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0200/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p200","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0200/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0200","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.3,40.8 1283.0,50.1 1427.0,611.9 1427.0,1532.0 1145.5,1526.2 1148.0,2038.0 486.6,2038.0 518.8,1513.3 160.5,668.3 136.3,40.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0200/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[716.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2439245,37.7868914]}},{"type":"Feature","properties":{"resourceCoords":[1286.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2428738,37.7862681]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p201","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0201/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0201","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"280.1,1354.2 -0.0,1351.8 -0.0,703.9 283.5,679.6 283.9,601.6 144.0,601.0 143.9,225.6 1427.0,226.4 1427.0,2038.0 -0.0,2038.0 -0.0,1507.3 279.3,1514.4 280.1,1354.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0201/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2428738,37.7862681]}},{"type":"Feature","properties":{"resourceCoords":[1280.0,601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2407552,37.7850244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p202","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0202/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0202","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1083.0,708.8 1059.0,2038.0 276.4,2038.0 283.7,235.9 1276.5,243.9 1285.5,711.3 1083.0,708.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[702.0,613.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2397011,37.7844111]}},{"type":"Feature","properties":{"resourceCoords":[134.0,613.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2407552,37.7850244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p203","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0203/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0203","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,605.2 204.0,604.0 186.0,133.4 334.0,132.0 332.7,-0.0 1427.0,-0.0 1427.0,2038.0 -0.0,2038.0 -0.0,605.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[204.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2387526,37.783637]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2368243,37.7824722]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0205/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p205","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0205/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0205","type":"ImageService3","width":1422,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"188.9,891.3 184.2,0.0 1422.0,0.0 1422.0,96.4 1212.5,349.8 1215.2,522.4 1422.0,971.3 1422.0,1963.6 92.4,1971.8 90.0,892.0 188.9,891.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0205/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2554144,37.798615]}},{"type":"Feature","properties":{"resourceCoords":[90.0,1432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2545862,37.7978804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0206/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p206","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0206/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0206","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"215.7,11.2 1432.0,0.0 1432.0,207.5 1284.2,584.0 1280.5,826.8 1002.6,920.3 861.6,1139.6 989.1,1621.8 428.1,1602.5 417.7,1979.5 184.2,1978.5 198.4,1091.2 -0.0,529.8 -0.0,356.8 214.2,107.7 215.7,11.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0206/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25486933111623,37.801190202171846]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25246163925715,37.802965174055544]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24928702845307,37.800238556567884]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25169472031214,37.798463584684185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0207/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p207","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0207/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0207","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.4,252.2 1245.8,271.0 1240.3,704.3 1199.0,743.2 1056.3,742.0 1052.2,1277.8 1244.8,1278.6 1242.9,2038.0 165.8,2038.0 163.4,252.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0207/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2529264,37.7964118]}},{"type":"Feature","properties":{"resourceCoords":[706.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2501519,37.7983883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p208","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0208/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0208","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"193.3,1280.0 -0.0,1280.6 -0.0,742.8 180.4,716.7 187.0,200.0 1264.8,196.8 1275.8,1631.5 194.9,1634.8 193.3,1280.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0208/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1272.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2485834,37.7955227]}},{"type":"Feature","properties":{"resourceCoords":[187.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2493203,37.7976494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p209","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0209/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0209","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.2,209.1 702.0,210.0 701.9,-0.0 1240.8,-0.0 1241.8,211.5 1432.0,212.1 1432.0,1291.1 1051.1,1289.4 1051.6,1824.6 165.9,1821.3 163.2,209.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0209/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[702.0,1824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2496104,37.7934786]}},{"type":"Feature","properties":{"resourceCoords":[702.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.246833,37.7954512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0210/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p210","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0210/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0210","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.4,2038.0 194.0,1816.4 -0.0,1815.5 -0.0,1278.7 382.0,1280.7 383.0,198.5 1272.0,202.0 1266.8,2038.0 192.4,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0210/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[194.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2487721,37.7927391]}},{"type":"Feature","properties":{"resourceCoords":[1272.0,202.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2443415,37.7932474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0211/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p211","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0211/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0211","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1180.3,1687.2 203.1,1690.0 204.4,78.2 1185.3,79.2 1185.2,-0.0 1315.2,-0.0 1432.0,625.8 1432.0,1992.1 1260.6,2035.3 1260.6,2038.0 1194.5,2038.0 1180.3,1687.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0211/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1211.0,1434.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2451234,37.7902198]}},{"type":"Feature","properties":{"resourceCoords":[206.0,616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2452668,37.7925883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0212/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p212","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0212/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0212","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"498.2,1993.8 500.8,625.9 434.3,250.9 977.0,137.6 1134.3,979.4 1432.0,919.5 1432.0,1208.6 1234.8,1249.3 1198.9,1302.9 1346.9,2038.0 604.3,2038.0 604.5,1975.8 498.2,1993.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0212/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24308162245853,37.79235608285825]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24088134555439,37.790395983163904]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24438656502403,37.7879038995527]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24658684192818,37.789863999247046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0213/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p213","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0213/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0213","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.2,1328.0 173.0,1281.9 376.1,1280.7 431.3,994.0 125.0,994.5 132.5,385.7 1119.3,387.4 1119.3,1858.7 130.7,1854.6 127.2,1328.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0213/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,1282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2423591,37.7885555]}},{"type":"Feature","properties":{"resourceCoords":[1277.0,131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2397233,37.7895936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0214/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p214","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0214/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0214","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.1,-0.0 721.1,-0.0 1290.8,432.1 1432.0,999.1 1432.0,1283.3 1297.5,1856.2 1301.8,2028.2 164.4,2038.0 162.7,1855.5 -0.0,1854.8 -0.0,399.5 155.6,399.8 155.1,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0214/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1294.0,1285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2392131,37.7866728]}},{"type":"Feature","properties":{"resourceCoords":[156.0,146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2397233,37.7895936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0215/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p215","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0215/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0215","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1432.0,2038.0 145.5,2038.0 141.3,1347.4 153.9,1304.6 280.0,1291.0 281.4,1005.7 141.8,1004.5 143.2,335.0 1282.7,334.6 1282.0,1300.0 1432.0,1299.6 1432.0,1584.5 1281.8,1584.5 1282.2,1867.2 1432.0,1868.4 1432.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0215/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[712.0,1295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2381628,37.7860444]}},{"type":"Feature","properties":{"resourceCoords":[712.0,153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2365822,37.787712]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0216/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p216","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0216/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0216","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.1,1858.7 153.8,1576.8 303.5,1576.8 303.5,1292.7 154.0,1293.0 154.0,152.0 1347.5,154.5 1251.6,674.1 1208.9,1907.8 303.4,1898.6 303.4,1859.9 153.1,1858.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0216/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[154.0,1293.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2371161,37.7854138]}},{"type":"Feature","properties":{"resourceCoords":[154.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2355328,37.7870849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0217/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p217","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0217/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0217","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1269.3,1871.4 1272.6,2038.0 302.6,2038.0 302.8,1921.6 126.1,1922.6 158.2,683.8 250.1,160.8 980.4,159.4 1046.0,257.6 1432.0,5.4 1432.0,737.8 1339.8,738.9 1345.3,1870.0 1269.3,1871.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0217/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23355447724505,37.7862842230039]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23094638291985,37.78469017914697]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23379675366958,37.78173594760407]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23640484799478,37.783329991461]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0218/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p218","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0218/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0218","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1432.0,1880.3 723.3,1879.2 724.0,2038.0 46.1,2038.0 43.9,1881.5 119.8,1880.7 121.3,750.2 213.4,749.6 217.9,17.7 245.4,-0.0 1432.0,-0.0 1432.0,1880.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0218/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23132845641352,37.784948918329036]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2287065600975,37.78336679961946]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23153557723103,37.780396903045194]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23415747354704,37.78197902175477]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p219","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0219/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0219","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 555.6,0.0 579.0,93.4 971.8,398.1 985.7,416.1 1432.0,606.7 1432.0,2038.0 1146.9,2038.0 1093.1,1969.6 75.0,1980.0 68.1,1451.5 -0.0,1451.8 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0219/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,1440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2483989,37.7983112]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2485021,37.796926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0220/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p220","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0220/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0220","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1432.0,0.0 1432.0,1985.8 98.8,1980.3 124.0,615.6 512.6,0.0 1432.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[362.0,904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2473721,37.8003633]}},{"type":"Feature","properties":{"resourceCoords":[900.0,904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.246452,37.8010242]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0221/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p221","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0221/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0221","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.6,1807.7 164.4,786.9 233.8,733.9 237.8,448.1 163.8,447.0 163.3,197.7 1237.9,198.8 1241.3,1808.4 160.6,1807.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0221/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1240.0,1273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2459109,37.7961068]}},{"type":"Feature","properties":{"resourceCoords":[702.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.244887,37.7981534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p222","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0222/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0222","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"726.4,1599.0 188.9,1600.2 184.1,-0.0 1257.3,-0.0 1258.3,202.9 1432.0,203.1 1432.0,1810.6 726.5,1810.0 726.4,1599.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0222/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[188.0,1275.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2459109,37.7961068]}},{"type":"Feature","properties":{"resourceCoords":[722.0,202.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2432296,37.7966889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p223","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0223/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0223","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1251.1,1814.1 339.7,1809.8 339.1,198.2 1242.0,199.0 1251.1,1814.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0223/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1242.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2416649,37.7938335]}},{"type":"Feature","properties":{"resourceCoords":[165.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2424014,37.795955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0224/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p224","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"22"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0224/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0224","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"776.6,1989.9 727.2,1740.2 597.9,1740.2 598.0,1819.0 159.9,1822.8 152.6,217.1 592.0,218.8 591.8,-0.0 640.1,-0.0 641.1,243.0 1427.0,110.2 1427.0,1284.5 1201.5,1327.7 1316.2,1880.0 776.6,1989.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0224/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[152.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2425958,37.7931744]}},{"type":"Feature","properties":{"resourceCoords":[152.0,749.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2416649,37.7938335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p225","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0225/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0225","type":"ImageService3","width":1435,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1288.8,1636.3 1290.4,2038.0 153.2,2038.0 142.0,1214.0 373.7,1214.3 598.1,50.9 1435.0,49.1 1435.0,638.6 1278.8,640.9 1279.7,1213.6 1435.0,1212.4 1435.0,1636.0 1288.8,1636.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0225/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[142.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2410381,37.7916855]}},{"type":"Feature","properties":{"resourceCoords":[1290.0,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2397233,37.7895936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p226","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0226/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0226","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"161.8,1771.3 726.0,1772.0 725.9,1628.1 306.6,1626.3 309.1,1205.8 154.9,1206.0 157.5,637.5 312.5,636.1 316.1,51.0 1427.0,57.4 1427.0,643.7 1296.5,642.6 1292.3,2038.0 160.7,2038.0 161.8,1771.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0226/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[726.0,635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2370896,37.7906411]}},{"type":"Feature","properties":{"resourceCoords":[726.0,1772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2386752,37.7889708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p227","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0227/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0227","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.7,2038.0 126.8,712.5 258.0,713.8 258.7,124.4 1261.5,130.9 1259.6,2038.0 121.7,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0227/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[694.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2357841,37.7885417]}},{"type":"Feature","properties":{"resourceCoords":[123.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2376308,37.788333]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p228","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0228/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0228","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.0,1863.0 122.0,130.0 927.6,150.5 939.6,156.3 1427.0,162.1 1427.0,1865.2 122.0,1863.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2331334,37.7896101]}},{"type":"Feature","properties":{"resourceCoords":[122.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2355328,37.7870849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0229__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 | 1903 | sanborn00727_003 p229 [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":"5700.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0229__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0229","type":"ImageService3","width":1425,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1113.0,1876.9 1178.0,1976.5 1425.0,1819.4 1425.0,167.8 489.4,158.5 487.9,1868.5 1113.0,1876.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0229__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1114.0,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2304076,37.786629]}},{"type":"Feature","properties":{"resourceCoords":[1114.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2296404,37.7874378]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p230","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0230/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0230","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"361.5,1707.8 330.1,1676.3 112.0,1816.7 109.9,169.9 1118.8,161.6 1117.9,-0.0 1296.3,-0.0 1256.7,162.1 1427.0,160.9 1427.0,969.8 1364.1,1009.0 1367.2,1708.6 361.5,1707.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0230/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22903021039797,37.78747235819388]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22642138451792,37.78590077461779]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22924149653436,37.7829354200484]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2318503224144,37.7845070036245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231__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 | 1903 | sanborn00727_003 p231 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3835.6"},{"label":"split_canvas_w","value":"5708.0"},{"label":"split_canvas_h","value":"4316.4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.1,2015.4 1427.0,2015.8 1427.0,960.3 534.2,959.4 64.3,959.7 60.1,2015.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[590.0,1488.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2439634,37.7988107]}},{"type":"Feature","properties":{"resourceCoords":[62.0,1488.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.244887,37.7981534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231__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 | 1903 | sanborn00727_003 p231 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5708.0"},{"label":"split_canvas_h","value":"3841.2"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"639.0,0.0 651.8,941.4 1427.0,930.8 1427.0,0.0 639.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0231__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24427280398886,37.79963617508554]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24176353409585,37.801398071433134]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,960.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24027396554176,37.80005480625822]}},{"type":"Feature","properties":{"resourceCoords":[0.0,960.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24278323543477,37.798292909910614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p232","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0232/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0232","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1427.0,215.5 1427.0,1834.7 1248.8,1834.1 1248.2,1630.1 169.1,1627.5 162.8,212.0 1427.0,215.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0232/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[170.0,1292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2431353,37.7980785]}},{"type":"Feature","properties":{"resourceCoords":[170.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2440602,37.7974215]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0233/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p233","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0233/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0233","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1246.8,1826.1 347.9,1823.0 347.8,209.1 1241.4,210.8 1246.8,1826.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0233/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[167.0,748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2405558,37.7972739]}},{"type":"Feature","properties":{"resourceCoords":[704.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.238801,37.7971993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0234/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p234","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0234/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0234","type":"ImageService3","width":1430,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"555.6,1862.8 555.1,1617.6 506.3,1617.5 506.1,1838.3 62.5,1835.7 58.0,214.0 855.8,227.6 855.2,29.3 895.6,224.7 1180.6,167.6 1430.0,1443.1 1430.0,1714.1 555.6,1862.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0234/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[58.0,753.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.238893,37.7958114]}},{"type":"Feature","properties":{"resourceCoords":[58.0,214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.237969,37.7964684]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0235/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p235","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0235/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0235","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,511.9 -0.0,304.7 62.7,-0.0 1381.4,-0.0 1349.0,2018.0 212.8,2010.2 253.9,1811.6 278.8,511.7 -0.0,511.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0235/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23596453665657,37.79610563220651]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23321472719721,37.794484420342926]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23612421926116,37.79135916424729]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23887402872052,37.792980376110876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p236","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0236/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0236","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.1,2013.7 137.8,20.2 1427.0,-0.0 1427.0,135.5 1214.4,133.3 1214.0,2014.6 136.1,2013.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0236/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[138.0,534.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2340599,37.7937474]}},{"type":"Feature","properties":{"resourceCoords":[138.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2333402,37.7944964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0237/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p237","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0237/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0237","type":"ImageService3","width":1427,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1427.0,847.4 1427.0,1968.6 56.7,1966.5 50.8,-0.0 1427.0,-0.0 1416.9,876.1 1427.0,847.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0237/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23147156391887,37.79316544222803]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22884521167379,37.79155650089656]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23173257122758,37.78857144322733]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23435892347267,37.7901803845588]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0238/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p238","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"13"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0238/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0238","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1432.0,1999.5 118.2,1988.1 118.7,-0.0 1432.0,-0.0 1432.0,1999.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0238/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1343.0,475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2272637,37.7895108]}},{"type":"Feature","properties":{"resourceCoords":[87.0,1464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2309566,37.7894679]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0239/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p239","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"13"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0239/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0239","type":"ImageService3","width":1432,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"330.7,1988.9 358.2,-0.0 1432.0,-0.0 1432.0,1991.3 330.7,1988.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0239/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[262.0,456.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2272637,37.7895108]}},{"type":"Feature","properties":{"resourceCoords":[892.0,1984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2281952,37.7866004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p240","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0240/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0240","type":"ImageService3","width":1440,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"295.9,286.6 280.1,67.2 330.9,140.4 652.8,75.6 762.3,-0.0 1440.0,-0.0 1440.0,1987.5 115.8,1970.2 -0.0,284.1 295.9,286.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[652.0,1483.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2371224,37.7970699]}},{"type":"Feature","properties":{"resourceCoords":[-5.0,284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2360774,37.7994458]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0241/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p241","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0241/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0241","type":"ImageService3","width":1437,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1437.0,1766.7 58.7,1859.8 64.7,252.7 626.8,252.9 630.1,0.0 1437.0,0.0 1437.0,1766.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0241/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[62.0,789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2404627,37.7986679]}},{"type":"Feature","properties":{"resourceCoords":[62.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2396265,37.7979334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0242/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p242","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0242/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0242","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.5,5.8 1431.0,0.0 1431.0,1958.5 436.9,2038.0 437.1,1737.6 129.4,1771.6 120.5,5.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0242/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[435.0,792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2375461,37.8007431]}},{"type":"Feature","properties":{"resourceCoords":[435.0,1328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2367157,37.8000063]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0243/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p243","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0243/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0243","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,304.4 129.8,0.0 262.6,0.0 891.7,400.5 1171.6,0.0 1431.0,0.0 1431.0,2038.0 0.0,2038.0 0.0,304.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0243/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23537339634956,37.79893336559842]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23462189414492,37.80148935635638]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23004726093453,37.80063770400177]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23079876313916,37.79808171324382]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0244__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 | 1903 | sanborn00727_003 p244 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5724.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0244__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0244","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1431.0,914.1 1406.1,869.5 1431.0,855.7 1431.0,649.8 1203.8,651.3 1061.6,77.1 992.0,122.1 950.2,46.8 912.3,67.0 869.0,-0.0 -0.0,-0.0 -0.0,357.8 47.3,346.2 47.3,346.4 76.5,339.1 165.6,703.4 141.6,727.7 220.1,1042.4 266.5,1031.5 473.3,1880.1 153.4,1955.2 171.2,2026.8 123.7,2038.0 1431.0,2038.0 1431.0,914.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0244__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[222.0,303.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2260473,37.7853148]}},{"type":"Feature","properties":{"resourceCoords":[31.0,1443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23103,37.7830577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0245/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p245","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0245/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0245","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"590.4,2007.8 559.9,2038.0 -0.0,2038.0 -0.0,147.5 366.6,138.5 1431.0,376.6 1431.0,2038.0 620.3,2038.0 590.4,2007.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0245/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23395527938769,37.78250642197105]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22881236393694,37.77932582442324]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23450322557107,37.77349581616734]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.23964614102182,37.77667641371515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246__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 | 1903 | sanborn00727_003 p246 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5724.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.5,1594.5 62.5,1594.8 70.8,1957.8 70.4,2038.0 362.6,2038.0 362.8,2038.0 351.5,1334.6 995.9,1350.9 999.8,2038.0 1431.0,2038.0 1431.0,-0.0 0.0,-0.0 -0.0,1350.9 77.8,1349.7 81.5,1594.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[66.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2297989,37.7720062]}},{"type":"Feature","properties":{"resourceCoords":[97.0,502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2265185,37.7763161]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246__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 | 1903 | sanborn00727_003 p246 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1406.0"},{"label":"split_canvas_y","value":"5338.4"},{"label":"split_canvas_w","value":"2593.2"},{"label":"split_canvas_h","value":"2813.6"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246","type":"ImageService3","width":1431,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"951.0,2038.0 981.4,2038.0 979.5,1597.2 997.3,1597.3 995.9,1350.9 351.5,1334.6 362.8,2038.0 951.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0246__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[631.2,1791.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2312258,37.7726253]}},{"type":"Feature","properties":{"resourceCoords":[980.8,1791.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2297989,37.7720062]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0248__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 | 1903 | sanborn00727_003 p248 [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":"5684.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0248__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0248","type":"ImageService3","width":1421,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1421.0,1179.4 1421.0,1178.0 1166.0,1177.1 1169.0,885.0 1421.0,992.0 1421.0,133.6 1421.0,0.0 -0.0,3.7 0.0,777.0 0.0,1101.0 0.0,1467.0 0.0,1508.0 -0.0,1942.2 45.8,1946.1 39.5,2038.0 1421.0,2038.0 1421.0,1179.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0248__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[239.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2194299,37.7896532]}},{"type":"Feature","properties":{"resourceCoords":[39.0,610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2209061,37.7884171]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0249/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1903 | sanborn00727_003 p249","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0249/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0249","type":"ImageService3","width":1430,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"156.2,1955.6 154.8,2038.0 -0.0,2038.0 -0.0,100.5 1430.0,107.8 1430.0,1969.8 156.2,1955.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0249/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21830998654582,37.797567438803654]}},{"type":"Feature","properties":{"resourceCoords":[1430.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21203871256327,37.79605704986606]}},{"type":"Feature","properties":{"resourceCoords":[1430.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21474361263013,37.7889444294711]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22101488661268,37.7904548184087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0250__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 | 1903 | sanborn00727_003 p250 [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":"5680.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T05:17:56Z","modified":"2026-09-21T05:17:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0250__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0250","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2038.0 958.2,2038.0 1420.0,2038.0 1420.0,0.0 795.5,0.0 795.7,242.6 601.3,313.1 240.3,149.5 239.7,149.1 239.4,149.1 0.0,149.1 0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190302:00727_02_1903-0250__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[266.0,939.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2157195,37.797582]}},{"type":"Feature","properties":{"resourceCoords":[48.0,939.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.216023,37.7968095]}}]}}]}