{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00727_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, California | 1902 | 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":"128"},{"label":"placed","value":"118"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 76, georef-snap 40, georef-street 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p0L (tier 1, 37.79527,-122.27627 +/-243m); p0R (tier 1, 37.82237,-122.27778 +/-237m); p113 (tier 1, 37.82469,-122.28810 +/-230m); p118__2 (tier 1, 37.82352,-122.28679 +/-100m); p119 (tier 1, 37.79063,-122.28399 +/-252m); p21 (tier 1, 37.79723,-122.28270 +/-265m); p54__2 (tier 1, 37.82237,-122.26291 +/-161m); p61 (tier 2, 37.79923,-122.28852 +/-100m); p62 (tier 3, 37.79762,-122.28593 +/-444m); p93__2 (tier 1, 37.80762,-122.30646 +/-201m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0001","type":"ImageService3","width":1391,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"898.3,1251.9 1391.0,1817.4 1278.5,2036.7 -0.0,2038.0 0.0,0.0 829.1,0.0 829.1,1256.5 836.6,1241.0 898.3,1251.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2815195380006,37.7953945486758]}},{"type":"Feature","properties":{"resourceCoords":[1391.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28012625425126,37.797719244643126]}},{"type":"Feature","properties":{"resourceCoords":[1391.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27584619990894,37.79609477892678]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27723948365828,37.793770082959455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0010","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2038.0 74.5,1557.0 62.1,665.4 1331.8,0.0 1392.0,0.0 1392.0,33.8 1267.5,96.9 1298.3,1528.2 901.7,1538.7 845.5,1568.3 713.1,2038.0 0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27367027114514,37.80728781946326]}},{"type":"Feature","properties":{"resourceCoords":[1392.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27301063216588,37.80967811883341]}},{"type":"Feature","properties":{"resourceCoords":[1392.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26861219193323,37.80890971450639]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26927183091249,37.80651941513624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p100","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0100","type":"ImageService3","width":1386,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"602.5,0.0 1386.0,225.3 1386.0,2038.0 1326.5,2038.0 1327.3,1831.4 0.0,1835.3 0.0,0.0 602.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[483.0,1402.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2896978,37.8119862]}},{"type":"Feature","properties":{"resourceCoords":[902.0,191.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.292113,37.8133386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0101/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p101","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0101/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0101","type":"ImageService3","width":1399,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"947.0,1721.0 947.0,1524.8 543.8,1527.0 546.6,2038.0 0.0,2038.0 0.0,-0.0 487.4,0.0 487.0,379.8 946.9,380.4 947.0,285.0 1269.5,285.4 1271.3,1718.1 947.0,1721.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0101/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[947.0,1721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29589,37.8026144]}},{"type":"Feature","properties":{"resourceCoords":[947.0,285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2990759,37.8033365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0102/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p102","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0102/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0102","type":"ImageService3","width":1378,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1242.0,387.7 1214.5,2038.0 0.0,2038.0 0.0,384.6 1242.0,387.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0102/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[532.0,1726.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2953638,37.8041136]}},{"type":"Feature","properties":{"resourceCoords":[532.0,290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2985319,37.8048282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0103/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p103","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0103/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0103","type":"ImageService3","width":1396,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.8,2038.0 112.0,757.1 136.7,248.6 1379.4,614.8 1184.8,1262.3 1179.2,2038.0 104.8,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0103/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[716.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2966922,37.8068472]}},{"type":"Feature","properties":{"resourceCoords":[1178.0,1714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2942879,37.8071765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p104","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0104/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0104","type":"ImageService3","width":1375,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"697.0,1908.5 57.8,1717.6 555.8,0.0 1133.6,0.0 1138.2,501.6 948.1,511.5 947.8,540.3 1133.8,637.4 1142.7,1914.4 697.0,1908.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1139.0,1357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2939402,37.8081613]}},{"type":"Feature","properties":{"resourceCoords":[406.0,518.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2950413,37.8100107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p105","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0105/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0105","type":"ImageService3","width":1396,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1396.0,-0.0 1352.0,9.4 1344.6,152.2 1396.0,152.2 1396.0,598.8 1355.0,599.1 1352.4,1906.2 552.5,1909.0 549.4,1862.4 205.0,1861.4 204.1,1908.9 -0.0,1908.9 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0105/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1356.0,1486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29601,37.8133038]}},{"type":"Feature","properties":{"resourceCoords":[696.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2956473,37.8160089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0106/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p106","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0106/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0106","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.1,592.2 42.3,592.0 43.7,143.6 -0.0,143.4 0.0,-0.0 1376.0,-0.0 1376.0,73.7 1320.6,89.5 1319.2,907.0 1376.0,1106.0 1376.0,1895.7 -0.0,1905.1 1.1,592.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0106/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2936171,37.8140363]}},{"type":"Feature","properties":{"resourceCoords":[664.0,148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.293076,37.8147155]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0107/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p107","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0107/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0107","type":"ImageService3","width":1396,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1369.5,1954.6 42.3,1957.8 42.8,1803.7 -0.0,1803.5 -0.0,0.0 12.6,48.1 217.4,47.5 218.6,-0.0 564.3,-0.0 567.4,46.6 1370.4,41.7 1369.5,1954.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0107/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29914868236915,37.814064495156465]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2964365144508,37.81269802224131]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29894391200804,37.80954786721606]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30165607992639,37.81091434013122]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0108/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p108","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0108/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0108","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1322.8,1955.6 -0.0,1960.8 -0.0,49.3 1376.0,32.2 1376.0,365.5 1322.3,381.4 1322.8,1955.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0108/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29647575769285,37.81273431452749]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29380136161711,37.811385541597076]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29631220780458,37.80823405147619]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29898660388031,37.809582824406604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p109","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0109/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0109","type":"ImageService3","width":1396,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.1,1920.8 149.7,2038.0 -0.0,2038.0 0.0,0.0 47.0,-0.0 47.3,106.8 1372.7,105.2 1368.8,1596.8 209.8,1950.2 154.1,1920.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[716.0,1100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3014029,37.808815]}},{"type":"Feature","properties":{"resourceCoords":[716.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3001721,37.8103439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p110","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0110","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.3,115.3 1333.7,116.7 1325.3,1611.4 158.5,1943.0 55.7,1577.8 -0.0,1594.2 18.3,115.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0110/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29878679018051,37.80990051747208]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29608761161845,37.80855433855546]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29859353028536,37.80537351982045]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30129270884743,37.80671969873707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0111/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p111","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0111/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0111","type":"ImageService3","width":1396,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2038.0 -0.0,99.3 37.3,30.6 84.3,75.4 1393.2,49.1 1396.0,2038.0 -0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0111/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[686.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3021423,37.8077201]}},{"type":"Feature","properties":{"resourceCoords":[52.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3035018,37.8080415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0112/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p112","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0112/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0112","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2038.0 14.1,0.0 1376.0,7.3 1376.0,1250.2 1280.0,1250.4 1280.0,1575.0 1376.0,1575.0 1376.0,2038.0 -0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0112/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1280.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2985319,37.8048282]}},{"type":"Feature","properties":{"resourceCoords":[1280.0,1575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2990759,37.8033365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0114/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p114","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0114/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0114","type":"ImageService3","width":1374,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1329.6,849.6 1374.0,894.4 1374.0,1874.1 -0.0,1863.2 -0.0,-0.0 1374.0,0.0 1374.0,50.4 1316.2,50.7 1329.6,849.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0114/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2879660263693,37.828576835640284]}},{"type":"Feature","properties":{"resourceCoords":[1374.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2849555851839,37.82920067452015]}},{"type":"Feature","properties":{"resourceCoords":[1374.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28379230938552,37.825648823134586]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28680275057093,37.82502498425472]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0115/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p115","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0115/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0115","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.6,1862.5 167.2,2012.3 197.2,861.9 272.8,852.8 152.6,815.9 146.4,0.0 1393.0,0.0 1393.0,1554.1 868.0,2037.7 567.1,1863.6 256.6,1862.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0115/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1077.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2819791,37.8263688]}},{"type":"Feature","properties":{"resourceCoords":[118.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2849803,37.8286781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0116/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p116","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0116/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0116","type":"ImageService3","width":1379,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,65.5 0.0,-0.0 1379.0,0.0 1379.0,1851.0 884.5,1618.0 1001.5,1408.0 118.1,935.0 90.3,62.6 -0.0,65.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0116/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1306.0,878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2792027,37.8287139]}},{"type":"Feature","properties":{"resourceCoords":[884.0,1618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2797603,37.8272245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0117/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p117","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0117/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0117","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2038.0 0.0,-0.0 1289.7,0.0 1291.0,52.0 1393.0,49.7 1393.0,2038.0 -0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0117/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2898244,37.8248902]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2867008,37.8254636]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2856388,37.8218537]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2887624,37.8212803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0118__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 | 1902 | sanborn00727_002 p118 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5512.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0118__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0118","type":"ImageService3","width":1378,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.8,92.0 76.1,2038.0 289.0,2038.0 686.9,1469.0 870.7,1090.9 1140.5,1115.2 1281.0,986.8 1297.7,401.5 1378.0,271.8 1378.0,128.9 174.8,92.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0118__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,1421.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2844186,37.8233231]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,987.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2836004,37.8243457]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011__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 | 1902 | sanborn00727_002 p11 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4680.0"},{"label":"split_canvas_w","value":"5528.0"},{"label":"split_canvas_h","value":"3472.0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1787.3 0.0,2038.0 1354.7,2038.0 1353.8,1270.0 193.9,1279.8 116.0,1338.5 0.0,1787.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1170.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27026044850764,37.807949821175185]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,1170.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26961069905603,37.81042491295095]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26765680617332,37.81010022973266]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26830655562493,37.8076251379569]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011__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 | 1902 | sanborn00727_002 p11 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5528.0"},{"label":"split_canvas_h","value":"4684.4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1356.6,110.5 98.2,110.5 91.6,874.4 0.0,870.5 0.0,1171.1 1337.7,1170.0 1356.6,110.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1344.0,622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2676658,37.8123945]}},{"type":"Feature","properties":{"resourceCoords":[620.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2691609,37.811276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012__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 | 1902 | sanborn00727_002 p12 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5554.4"},{"label":"split_canvas_w","value":"3481.6"},{"label":"split_canvas_h","value":"2597.6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"749.6,2038.0 749.4,2011.7 870.1,2037.9 870.1,1990.8 749.1,1960.4 746.8,1492.2 78.0,1494.5 78.0,1805.4 0.0,1806.7 0.0,2038.0 749.6,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[78.0,1494.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2637871,37.8175679]}},{"type":"Feature","properties":{"resourceCoords":[78.0,1824.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2630112,37.8174325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012__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 | 1902 | sanborn00727_002 p12 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5568.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1392.0,2038.0 1392.0,2013.0 1123.8,2007.6 1136.0,1484.5 1253.3,1515.4 1265.8,104.0 102.0,104.0 85.9,1209.0 0.0,1191.0 0.0,1390.1 511.4,1388.6 870.4,1484.8 870.1,2038.0 1392.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[824.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2673192,37.8136922]}},{"type":"Feature","properties":{"resourceCoords":[102.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2688249,37.8126014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0013","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1518.0 116.5,1546.3 96.4,143.6 1342.3,115.4 1382.0,2038.0 0.0,2038.0 0.0,1518.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26866468497302,37.8145503725575]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26796180486998,37.81702022039764]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26338364637195,37.81619560223281]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26408652647498,37.81372575439267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0014","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,149.9 1377.8,143.1 1367.7,1727.2 686.5,1718.9 682.4,2038.0 0.0,2038.0 0.0,149.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2680678000827,37.816959192515974]}},{"type":"Feature","properties":{"resourceCoords":[1392.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26740805450403,37.81950741780684]}},{"type":"Feature","properties":{"resourceCoords":[1392.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26271839017855,37.81873899111697]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26337813575722,37.81619076582611]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0015","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"200.0,1944.2 199.6,247.2 1133.7,333.0 1327.3,261.0 1343.6,0.0 1382.0,0.0 1382.0,862.0 1263.8,863.6 1276.3,1942.7 200.0,1944.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26659734725717,37.822984716379814]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2634872844878,37.822454202647194]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2644707281245,37.8188057510976]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26758079089387,37.81933626483022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0016","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1091.0,1822.1 1041.5,1821.8 1008.1,1948.2 -0.0,1947.7 -0.0,864.0 81.0,863.0 82.5,0.0 1390.0,96.9 1390.0,2038.0 1089.0,2038.0 1089.8,1948.2 1062.1,1948.2 1091.0,1822.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26367345828594,37.82248159539291]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26055601358865,37.82195454768175]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2615274029139,37.81831846188891]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26464484761118,37.81884550960007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0017","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1848.7 -0.0,99.4 1382.0,208.9 1382.0,2038.0 994.3,2038.0 968.2,1872.0 -0.0,1848.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26178617374022,37.82552867130432]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25870780594472,37.82493012400623]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25981740735973,37.82131898461188]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26289577515523,37.82191753190997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0018","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1390.0,0.0 1390.0,2038.0 924.5,2022.3 -0.0,1908.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25981628248859,37.828480537056095]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25667763222302,37.827967786641715]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25762274692269,37.82430726324867]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26076139718826,37.82482001366305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0019","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1682.8 -0.0,1622.7 99.4,1650.8 96.6,0.0 1382.0,0.0 1378.2,1974.0 873.8,1940.3 -0.0,1682.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26462467360514,37.829422286499806]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26154434532735,37.82889645170764]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.262519200848,37.825283198984835]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2655995291258,37.825809033777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0002","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.7,269.9 1232.4,256.8 1227.5,2038.0 81.4,2038.0 58.7,269.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[678.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2775943,37.7965489]}},{"type":"Feature","properties":{"resourceCoords":[678.0,266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2787616,37.7970085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0020","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1149.2,1971.6 730.1,1944.0 731.5,2038.0 -0.0,2038.0 -0.0,1944.8 342.6,1969.1 347.1,3.5 1390.0,0.0 1390.0,66.6 1133.1,68.8 1149.2,1971.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26231972878783,37.829035095629344]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25920819259179,37.82850495475853]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26018536903032,37.824876080528945]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26329690522637,37.82540622139976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p22","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0022","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,282.7 1328.7,292.6 1318.6,1854.2 6.8,1862.9 -0.0,282.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[904.0,1290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2795182,37.798166]}},{"type":"Feature","properties":{"resourceCoords":[486.0,147.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2823166,37.7984004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0023","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.2,2038.0 72.6,0.0 1314.3,0.0 1311.8,252.6 1279.8,244.1 1278.7,1650.3 494.4,1645.4 494.2,2038.0 68.2,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28182746630372,37.799780078672335]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28042054091641,37.80205394760552]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27620652723014,37.80040300176662]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27761345261746,37.79812913283343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0024","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.5,1866.1 51.5,1647.9 -0.0,1647.6 -0.0,216.7 461.1,280.1 1070.1,147.4 1326.2,129.9 1326.3,1870.2 54.5,1866.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28046023113627,37.80186085106412]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27906741506605,37.80410760472333]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2749274989762,37.802482668026]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27632031504642,37.800235914366795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p25","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0025","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.6,157.8 1382.0,152.2 1382.0,1856.8 83.0,1860.0 82.6,157.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[83.0,1291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2765137,37.8029775]}},{"type":"Feature","properties":{"resourceCoords":[83.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2753321,37.8025135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p26","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0026","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.2,1868.3 82.7,158.9 1282.6,146.1 1290.5,1854.2 89.2,1868.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[467.0,1294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2747932,37.805735]}},{"type":"Feature","properties":{"resourceCoords":[882.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2767294,37.8073511]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p27","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0027","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"709.3,1878.8 710.6,1763.3 69.9,1756.0 144.9,1078.4 720.0,1088.0 726.3,311.0 1288.5,284.1 1273.7,1886.5 709.3,1878.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,1088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2754965,37.8093195]}},{"type":"Feature","properties":{"resourceCoords":[148.0,306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2759134,37.8110828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028__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 | 1902 | sanborn00727_002 p28 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5560.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1155.2,1950.5 1170.5,1601.0 1271.5,1582.0 178.5,210.3 74.5,241.8 -0.0,1893.3 1155.2,1950.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[594.0,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2736155,37.8076294]}},{"type":"Feature","properties":{"resourceCoords":[1271.0,1582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2722048,37.8071436]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028__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 | 1902 | sanborn00727_002 p28 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"451.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5108.8"},{"label":"split_canvas_h","value":"5059.2"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"739.6,632.4 1134.9,931.4 1250.5,975.6 1253.0,1160.8 1303.6,1199.2 1292.0,346.4 1313.5,299.4 1390.0,290.3 1390.0,248.0 1290.2,258.8 1283.2,0.0 576.6,0.0 338.1,279.9 680.0,704.5 739.6,632.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0028__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[561.5,18.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2754994,37.8117213]}},{"type":"Feature","properties":{"resourceCoords":[1297.0,620.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2733314,37.8108954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0029","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.6,479.5 1095.8,0.0 1151.4,0.0 1206.9,90.8 1236.2,52.2 1382.0,148.4 1382.0,193.8 1298.4,229.8 1276.5,278.4 1250.3,1841.7 93.4,1834.8 93.6,479.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27400095907832,37.80942953100872]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27337735508395,37.811947713769165]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26870992728239,37.811216051264815]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26933353127676,37.80869786850437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0003","type":"ImageService3","width":1391,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2004.6 194.0,2004.4 192.9,1786.3 -0.0,1787.0 -0.0,1721.3 193.0,1720.5 197.1,279.1 725.1,269.9 724.9,503.6 1266.8,498.9 1241.2,2038.0 -0.0,2038.0 -0.0,2004.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,1000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.277168,37.7972354]}},{"type":"Feature","properties":{"resourceCoords":[1268.0,1000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2762919,37.7986211]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0030","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.4,161.7 1390.0,152.3 1390.0,1840.2 0.0,1852.3 0.0,240.4 70.6,168.8 105.8,174.7 105.1,128.5 206.4,161.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27337649600776,37.811755699752815]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2727102395248,37.814238296837274]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26813510824267,37.813461114562195]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26880136472563,37.810978517477736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p31","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0031","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.0,619.4 1181.8,833.0 1168.0,1841.5 122.1,1843.9 144.7,157.1 1382.0,154.0 1382.0,619.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[976.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2681921,37.8150559]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2685952,37.8134722]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0032","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,833.0 194.0,619.5 188.6,220.3 965.1,210.2 975.3,1086.0 1088.4,1092.2 1115.5,1137.1 1068.1,1818.8 0.0,1830.9 0.0,833.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27226725120772,37.81610537654919]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.271595158299,37.818606745001446]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26696850866398,37.81781997248419]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26764060157271,37.81531860403193]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0033","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.4,1122.1 0.0,1119.0 0.0,171.7 1336.2,169.7 1328.0,1863.0 85.2,1860.7 141.2,1172.2 94.4,1122.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27184753359744,37.817851552225726]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27122026195052,37.82032666079667]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26663214727058,37.819590779236634]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2672594189175,37.81711567066569]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0034","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1851.3 0.0,182.5 1385.0,173.6 1385.0,1861.2 0.0,1851.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2712753263271,37.820251917158274]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27062193151892,37.82276622087277]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26597109899397,37.82200137922612]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26662449380215,37.819487075511624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0035","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"407.0,149.4 790.5,152.9 603.1,1865.4 380.6,1860.3 407.0,149.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2707381850736,37.822021248964404]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2701433602523,37.82450308367128]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26554250835113,37.823805307786884]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26613733317242,37.82132347308001]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0036","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1860.4 0.0,1382.7 124.1,158.7 1385.0,160.7 1385.0,1878.2 0.0,1860.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27046921650658,37.82322133485635]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26984343028428,37.82572367327116]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26521449775026,37.82499118613551]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26584028397257,37.8224888477207]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p37","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0037","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"634.7,1758.8 543.1,2038.0 556.6,1855.6 0.0,1853.3 0.0,149.9 1018.8,136.8 1033.5,1856.2 665.8,1855.8 693.7,1758.9 634.7,1758.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[65.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2654878,37.8253728]}},{"type":"Feature","properties":{"resourceCoords":[1266.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2649062,37.8275433]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0038","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1263.5,1879.2 0.0,1865.8 0.0,119.7 1158.5,118.4 1159.5,0.0 1385.0,0.0 1385.0,2038.0 1261.5,2038.0 1263.5,1879.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2692243814421,37.82779661789547]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26859505764507,37.83028278269141]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26399580656118,37.82954619279064]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26462513035821,37.8270600279947]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p39","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0039","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"885.6,928.6 993.6,955.5 1359.8,886.2 1365.4,2038.0 -0.0,2038.0 -0.0,1088.3 885.6,928.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.283068,37.7995576]}},{"type":"Feature","properties":{"resourceCoords":[946.0,1897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2818867,37.799091]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0004","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.9,2038.0 140.0,0.0 1205.9,0.0 1204.4,1716.5 1135.2,1716.2 1005.3,1716.0 1005.4,1782.4 1204.8,1780.5 1203.6,2038.0 110.9,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[140.0,1000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2762919,37.7986211]}},{"type":"Feature","properties":{"resourceCoords":[140.0,274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2774753,37.7990855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p40","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0040","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1267.3,47.4 1220.4,47.6 1229.9,2038.0 -0.0,2038.0 0.0,-0.0 1267.0,-0.0 1267.3,47.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1268.0,649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3020939,37.8102365]}},{"type":"Feature","properties":{"resourceCoords":[1268.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3014752,37.810997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p41","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0041","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1326.6,2023.8 1328.5,1771.8 83.8,1781.8 79.9,910.1 48.8,855.5 79.8,849.6 80.2,987.5 1255.2,761.0 1236.0,673.7 1376.0,645.0 1376.0,2029.8 1326.6,2023.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[916.0,1358.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2817715,37.8016057]}},{"type":"Feature","properties":{"resourceCoords":[916.0,1928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.280592,37.8011408]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p42","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0042","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1222.7,1874.0 473.3,2022.0 116.9,1982.8 103.9,660.4 1210.0,427.8 1222.7,1874.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[891.0,1924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2791801,37.8031797]}},{"type":"Feature","properties":{"resourceCoords":[470.0,540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2826283,37.8036679]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p43","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0043","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1286.2,1953.6 -0.0,1968.2 -0.0,455.4 1317.0,244.9 1286.2,1953.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[486.0,1952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2784526,37.8045964]}},{"type":"Feature","properties":{"resourceCoords":[910.0,289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2814554,37.8066503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p44","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0044","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1968.4 40.0,274.8 523.5,187.4 531.9,126.2 1329.0,0.0 1277.5,234.8 1272.6,1303.9 1385.0,1320.2 1385.0,1963.2 -0.0,1968.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[876.0,834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.279091,37.8082792]}},{"type":"Feature","properties":{"resourceCoords":[459.0,1966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2771503,37.8066648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p45","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0045","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.8,537.8 1026.5,363.1 1214.5,287.6 1230.2,1975.0 1156.7,2038.0 917.2,2038.0 916.0,1896.0 106.3,1821.5 96.7,731.7 131.8,537.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1307.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2774582,37.8108948]}},{"type":"Feature","properties":{"resourceCoords":[916.0,1896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2767022,37.8097957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p46","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0046","type":"ImageService3","width":1385,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,287.4 1011.6,86.3 1016.0,79.5 1385.0,11.2 1263.1,79.0 1267.5,1889.9 109.3,1883.2 -0.0,1975.0 -0.0,287.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[474.0,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.277062,37.8115296]}},{"type":"Feature","properties":{"resourceCoords":[474.0,182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2794043,37.8124521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p47","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0047","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1158.0,0.0 1240.5,0.0 1376.0,79.6 1376.0,275.6 1285.9,380.4 1319.6,518.9 1316.9,1500.9 1274.6,1720.0 153.3,1172.4 1158.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0047/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27815240386678,37.81177686508272]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2789332372005,37.81419612786582]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27442940892533,37.815116219449216]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27364857559161,37.812696956666116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p48","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0048","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"264.0,1830.1 341.4,1883.8 13.5,1880.4 0.0,367.0 77.9,276.9 77.6,86.3 1303.8,802.2 663.6,1884.3 550.1,1829.7 264.0,1830.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[462.0,311.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2784711,37.8150255]}},{"type":"Feature","properties":{"resourceCoords":[1302.0,800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2778504,37.8167584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0049","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"870.7,1421.1 165.0,1751.5 261.1,1399.3 -0.0,1331.6 -0.0,90.7 41.3,18.3 180.4,0.0 244.3,128.9 1222.7,127.1 1223.8,1366.7 1167.7,1530.8 998.7,1674.2 870.7,1421.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2750326361442,37.814956478265316]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27194045179583,37.81445008341124]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2728831731156,37.81080638163708]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27597535746398,37.81131277649116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0005","type":"ImageService3","width":1391,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"198.4,1715.3 204.2,276.2 1261.0,276.0 1255.9,2027.5 196.9,2038.0 198.7,1779.0 -0.0,1780.5 -0.0,1714.3 198.4,1715.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2761898,37.8011416]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2757602,37.8018288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0050","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.0,1502.4 125.9,1596.2 -0.0,1336.8 -0.0,792.6 194.8,795.6 194.6,429.6 -0.0,429.7 -0.0,378.5 194.5,381.8 194.4,98.3 1328.6,95.7 1328.6,14.7 1390.0,14.8 1390.0,794.4 1328.6,794.5 1328.6,1960.7 357.9,1957.2 141.0,1502.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27446684383769,37.8182955432885]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27131514276402,37.817793921944464]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27223961684989,37.81411767188851]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27539131792355,37.814619293232546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0051","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,274.6 1376.0,273.9 1376.0,1650.5 853.2,1694.1 840.1,1497.3 788.4,1501.6 804.9,1698.2 435.1,1729.3 419.7,1502.8 361.4,1537.3 0.0,1567.5 0.0,274.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27845054992568,37.816901005434694]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27758097020856,37.819299782527]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27311502930787,37.818275174358156]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27398460902499,37.81587639726585]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0052","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"703.0,0.0 820.4,0.0 830.4,135.8 1390.0,98.7 1390.0,317.8 1268.7,866.2 1268.5,1033.8 1176.2,1040.2 1219.2,1659.7 0.0,1709.2 37.6,193.0 721.5,142.9 703.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26635125204912,37.823861258022156]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26546484597549,37.82631070584812]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26095005564768,37.82527689260943]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26183646172132,37.822827444783464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053__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 | 1902 | sanborn00727_002 p53 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3351.2"},{"label":"split_canvas_w","value":"5504.0"},{"label":"split_canvas_h","value":"4800.8"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.4,970.8 -0.0,1702.1 1346.0,1816.8 1344.9,840.7 0.0,837.8 38.4,970.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1345.0,1438.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.273795,37.8191458]}},{"type":"Feature","properties":{"resourceCoords":[1345.0,922.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2735617,37.8200663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053__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 | 1902 | sanborn00727_002 p53 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5504.0"},{"label":"split_canvas_h","value":"3363.2"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053","type":"ImageService3","width":1376,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1360.8,712.3 1376.0,0.0 165.3,0.0 234.3,722.5 1188.0,771.8 1360.8,712.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0053__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[239.0,771.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2662674,37.8224656]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,771.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2642067,37.8219533]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0054__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 | 1902 | sanborn00727_002 p54 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3327.6"},{"label":"split_canvas_w","value":"5560.0"},{"label":"split_canvas_h","value":"4824.4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0054__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0054","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.0,912.9 102.0,2038.0 513.0,2038.0 1235.8,2038.0 1235.3,916.5 102.0,912.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0054__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[102.0,1932.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2740225,37.818238]}},{"type":"Feature","properties":{"resourceCoords":[102.0,912.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2735617,37.8200663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p55","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0055","type":"ImageService3","width":1373,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.0,1248.2 68.3,0.0 1351.5,131.2 1334.8,1835.0 135.9,1821.9 157.0,1589.2 -0.0,1574.9 -0.0,1381.0 57.0,1248.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[81.0,1918.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2764251,37.8204956]}},{"type":"Feature","properties":{"resourceCoords":[1339.0,1400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2733261,37.821002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p56","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0056","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.9,128.1 1240.9,227.7 1238.8,1927.6 108.0,1922.0 110.9,128.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[108.0,878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.273093,37.8219424]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1922.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2735617,37.8200663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p57","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0057","type":"ImageService3","width":1389,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.8,1800.4 70.0,35.0 1348.0,35.0 1336.7,1931.7 53.8,1800.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1348.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2719055,37.8267107]}},{"type":"Feature","properties":{"resourceCoords":[70.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2748277,37.8271462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p58","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0058","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1271.7,37.8 1270.2,257.0 1390.0,259.0 1390.0,392.1 1269.3,391.4 1257.0,2038.0 119.7,1934.9 126.1,30.7 1271.7,37.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27217708401109,37.826809632283286]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26903497425181,37.82632782614295]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2699230323856,37.822663188447045]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27306514214489,37.82314499458738]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p59","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0059","type":"ImageService3","width":1389,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1356.0,1967.6 73.3,1984.6 66.1,2.3 1350.0,0.0 1356.0,1967.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[890.0,450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2722661,37.8296037]}},{"type":"Feature","properties":{"resourceCoords":[1351.0,450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2712186,37.8294362]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0006","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1204.7,1768.3 1199.1,2038.0 119.3,2038.0 148.0,259.6 1228.0,274.0 1206.6,1680.5 1204.7,1768.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2745804,37.8013648]}},{"type":"Feature","properties":{"resourceCoords":[1228.0,274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2748995,37.8032054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p60","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0060","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"116.0,1970.0 116.4,0.0 1254.1,3.0 1255.0,1971.7 116.0,1970.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,451.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2712186,37.8294362]}},{"type":"Feature","properties":{"resourceCoords":[116.0,1970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2719055,37.8267107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p63","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0063","type":"ImageService3","width":1389,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1944.1 0.0,0.0 981.8,0.0 982.0,50.0 1277.4,51.6 1290.9,1990.8 1034.0,1992.5 960.4,1948.0 0.0,1944.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[982.0,1001.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2860313,37.8003583]}},{"type":"Feature","properties":{"resourceCoords":[982.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2881407,37.800843]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0064","type":"ImageService3","width":1388,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.1,1962.9 0.0,1962.5 0.0,51.4 133.7,52.0 134.1,0.0 1305.7,0.0 1310.8,540.0 1232.2,542.6 1276.2,2038.0 102.8,2038.0 127.4,1904.3 96.5,1904.3 96.1,1962.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0064/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28806243986273,37.80138578718967]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28718196353029,37.80387658207442]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28258576282967,37.80284788834128]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28346623916211,37.80035709345653]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p65","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0065","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.7,531.8 129.3,528.2 122.5,86.8 1382.0,89.8 1382.0,2010.9 95.6,2038.0 44.7,531.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,1462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2837236,37.8039042]}},{"type":"Feature","properties":{"resourceCoords":[87.0,530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.286035,37.8033943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p66","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0066","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,48.0 0.0,-0.0 453.3,0.0 454.0,47.0 1290.6,47.8 1294.5,1398.0 1183.6,1975.5 122.5,1952.3 119.5,47.9 0.0,48.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1297.0,1004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2834764,37.807377]}},{"type":"Feature","properties":{"resourceCoords":[454.0,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2861458,37.8063881]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p67","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0067","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"893.1,2016.0 0.0,2012.4 117.8,1420.4 124.1,0.0 985.3,0.0 984.8,128.0 1312.2,126.8 1303.5,1016.3 1382.0,1016.5 1382.0,1958.2 912.9,1956.1 893.1,2016.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[123.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2834764,37.807377]}},{"type":"Feature","properties":{"resourceCoords":[123.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2856027,37.8078547]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p68","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0068","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.8,1023.6 0.0,1024.2 0.0,0.0 1259.0,0.0 1268.0,2019.0 421.7,2025.6 444.2,1982.6 344.7,1965.4 88.0,1968.2 78.8,1023.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[522.0,1488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2814004,37.8100958]}},{"type":"Feature","properties":{"resourceCoords":[1260.0,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2829706,37.811847]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p69","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0069","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.6,59.9 1298.9,64.2 1382.0,1972.3 351.9,1983.2 153.3,2021.1 83.8,2020.9 87.6,59.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0069/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2842380542615,37.81197513547104]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28337193891844,37.81438359864813]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27890773003772,37.81336743534038]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27977384538077,37.81095897216329]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0007","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.2,273.3 1131.9,271.0 1131.9,1769.8 1259.7,1770.2 1260.0,2021.5 178.1,2038.0 179.2,273.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2720567,37.8029476]}},{"type":"Feature","properties":{"resourceCoords":[720.0,272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2744685,37.8038947]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0070","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.5,66.1 127.0,274.1 186.5,273.7 183.5,0.0 1100.8,1.7 1130.1,1968.0 0.0,1979.5 0.0,67.4 125.5,66.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0070/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28842824101784,37.81306191909552]}},{"type":"Feature","properties":{"resourceCoords":[1383.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28751353799562,37.815478624772155]}},{"type":"Feature","properties":{"resourceCoords":[1383.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28303722389852,37.814406248187645]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28395192692074,37.81198954251101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p71","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0071","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.0,556.0 1382.0,1968.3 160.4,1954.2 89.0,61.4 87.4,0.0 1341.9,0.0 1341.4,68.7 1271.5,69.1 1268.5,553.6 1382.0,556.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0071/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28347319657315,37.81408025901227]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28262950287566,37.816507503111204]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27813036227093,37.815517672304445]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27897405596842,37.81309042820551]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p72","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0072","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.9,1958.8 114.1,547.9 0.0,546.7 0.0,62.6 1266.5,54.2 1277.1,1958.7 122.9,1958.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.0,1483.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2786178,37.8177714]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.280676,37.8182351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p73","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0073","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.0,1899.0 116.4,1913.5 118.5,1975.1 0.0,1975.0 0.0,49.9 0.0,49.1 0.0,-0.0 1382.0,0.0 1382.0,979.9 1382.0,1899.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2843925,37.8144197]}},{"type":"Feature","properties":{"resourceCoords":[98.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2875292,37.8151307]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p74","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0074","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.7,1984.1 65.0,11.6 0.0,0.0 1271.7,0.0 1298.2,1956.6 94.7,1984.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1278.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2849823,37.8192238]}},{"type":"Feature","properties":{"resourceCoords":[400.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2823227,37.8169342]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p75","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0075","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1171.2,1968.2 282.0,1968.0 270.8,14.1 1159.8,0.0 1171.2,1968.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[282.0,1968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2817663,37.8184911]}},{"type":"Feature","properties":{"resourceCoords":[1160.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.285395,37.8209872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p76","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0076","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"224.0,1942.0 236.8,54.1 1113.9,72.8 1084.1,1953.2 224.0,1942.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1102.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2790863,37.8195545]}},{"type":"Feature","properties":{"resourceCoords":[224.0,1942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2775584,37.817563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p77","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0077","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.1,61.0 1229.7,65.0 1223.0,1824.8 1086.7,1904.7 1382.0,1878.0 1382.0,2038.0 1054.4,2038.0 1042.6,1991.4 924.2,2034.6 921.1,2001.0 1004.4,1952.9 217.7,1960.0 226.1,61.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[225.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2790863,37.8195545]}},{"type":"Feature","properties":{"resourceCoords":[225.0,550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2801146,37.8197854]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p78","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0078","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"957.0,1367.5 1181.6,1236.8 1208.1,1281.2 1383.0,1178.5 1383.0,1853.0 660.3,1912.1 521.0,1866.3 30.5,1910.8 166.3,1830.7 167.2,63.5 968.9,64.9 957.0,1367.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0078/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28079820152671,37.82151492023214]}},{"type":"Feature","properties":{"resourceCoords":[1383.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.279931178584,37.823927574545806]}},{"type":"Feature","properties":{"resourceCoords":[1383.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27546185592156,37.8229112135745]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27632887886428,37.820498559260834]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p79","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"29"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0079","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"221.9,1284.0 0.0,1416.1 0.0,129.6 195.1,127.4 195.8,202.8 1188.8,189.1 1190.0,590.4 1278.7,655.5 1093.3,764.8 1093.5,822.9 1319.9,688.3 1359.0,730.7 1360.4,1802.5 427.6,1890.0 421.5,1224.0 248.7,1327.6 221.9,1284.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[204.0,1070.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2778311,37.8230396]}},{"type":"Feature","properties":{"resourceCoords":[572.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2758033,37.8232634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p8","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0008","type":"ImageService3","width":1392,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.1,2038.0 128.8,1784.8 -0.0,1784.4 -0.0,274.6 1381.7,267.8 901.6,383.5 1295.2,2038.0 129.1,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[672.0,1786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2711889,37.8043196]}},{"type":"Feature","properties":{"resourceCoords":[672.0,273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2736087,37.8052699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p80","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0080","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.0,598.0 99.3,0.0 1107.0,0.0 1136.0,175.9 1202.9,137.2 1166.0,1748.1 266.0,1828.3 269.7,741.1 230.3,697.9 0.0,833.4 0.0,774.5 188.6,664.4 99.0,598.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2782428,37.8250145]}},{"type":"Feature","properties":{"resourceCoords":[266.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2754461,37.8246809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p81","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0081","type":"ImageService3","width":1388,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1388.0,1967.8 69.6,1969.2 242.4,406.1 1067.2,0.0 1388.0,0.0 1277.1,20.0 1277.7,674.2 1284.8,689.2 1388.0,904.1 1388.0,1967.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0081/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2775419,37.8275754]}},{"type":"Feature","properties":{"resourceCoords":[551.0,1968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2748277,37.8271462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p82","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0082","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1257.9,1972.3 110.6,1974.0 111.6,896.1 0.0,663.0 -0.0,0.0 1383.0,0.0 1383.0,2038.0 1257.8,2038.0 1257.9,1972.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[805.0,1972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2741368,37.8298987]}},{"type":"Feature","properties":{"resourceCoords":[1228.0,1972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2739464,37.8306533]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p83","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0083","type":"ImageService3","width":1388,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1214.1,14.4 1212.3,1971.5 209.8,1969.7 213.3,11.1 1214.1,14.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[218.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2833603,37.8205358]}},{"type":"Feature","properties":{"resourceCoords":[1212.0,1478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2816425,37.8220207]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p84","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0084","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1164.0,1972.0 163.2,1969.0 172.7,7.9 313.9,49.8 864.0,0.0 981.9,248.8 1169.6,302.1 1164.0,1972.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2827256,37.8222683]}},{"type":"Feature","properties":{"resourceCoords":[1164.0,1972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2799246,37.8235151]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p85","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0085","type":"ImageService3","width":1388,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"726.1,0.0 1055.6,0.0 1209.1,259.2 1206.7,2038.0 209.0,2038.0 214.2,300.1 726.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1210.0,1474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2803787,37.8255063]}},{"type":"Feature","properties":{"resourceCoords":[214.0,490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2831802,37.8242515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p86","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0086/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0086","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"832.9,792.1 1383.0,474.7 1383.0,1486.7 1140.1,1482.5 1147.2,1867.8 143.7,1843.9 168.0,584.2 832.9,792.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0086/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2823185,37.8259468]}},{"type":"Feature","properties":{"resourceCoords":[1158.0,893.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2810523,37.8275305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p87","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0087","type":"ImageService3","width":1388,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1388.0,1972.4 950.4,1970.3 950.1,1919.3 0.0,1916.5 0.0,1276.6 0.0,1276.6 -0.0,-0.0 1388.0,0.0 1388.0,1972.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0087/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29302510445973,37.80018594349108]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29215057197031,37.80258826613683]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28771770143707,37.80156649962821]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2885922339265,37.79916417698246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p88","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0088","type":"ImageService3","width":1383,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1120.6,1820.8 153.2,1986.1 -0.0,1022.6 -0.0,467.9 411.9,398.2 386.1,246.4 471.0,387.2 881.9,313.9 1120.6,1820.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0088/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[526.0,489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2909362,37.8035386]}},{"type":"Feature","properties":{"resourceCoords":[526.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2876097,37.8022963]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p89","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0089","type":"ImageService3","width":1388,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1347.5,1952.4 1347.7,2038.0 146.7,2038.0 144.2,1907.6 0.0,1909.4 0.0,262.8 52.0,261.8 48.4,0.0 93.9,0.0 99.7,260.9 656.8,250.0 655.5,0.0 1212.9,0.0 1227.2,1952.7 1347.5,1952.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0089/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[658.0,1474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2878587,37.8048441]}},{"type":"Feature","properties":{"resourceCoords":[658.0,486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2900358,37.805347]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0009","type":"ImageService3","width":1382,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2038.0 0.0,0.0 505.6,0.0 1303.1,184.0 1330.9,1455.3 1241.7,2038.0 0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.273249389114,37.80549065415979]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27271221721499,37.807347528236185]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26927072020652,37.8067172379479]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26980789210553,37.804860363871505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p90","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0090","type":"ImageService3","width":1386,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.1,2038.0 110.8,2038.0 111.5,1961.0 0.0,1960.0 0.0,0.0 463.9,0.0 463.2,56.9 1161.2,55.4 1191.5,0.0 1386.0,0.0 1386.0,1919.7 1291.3,1919.3 1290.0,1974.0 448.1,1963.9 447.9,1916.6 152.5,1913.3 151.1,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[458.0,986.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2883032,37.8068833]}},{"type":"Feature","properties":{"resourceCoords":[1290.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2856027,37.8078547]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p91","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0091","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1390.0,40.0 1390.0,1906.8 1264.0,1905.8 1262.9,2038.0 933.4,2038.0 933.8,1910.8 162.7,1911.8 152.0,0.0 1291.2,0.0 1291.0,39.0 1390.0,40.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0091/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[72.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2877639,37.8083538]}},{"type":"Feature","properties":{"resourceCoords":[72.0,482.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2888428,37.8085973]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0092/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p92","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0092/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0092","type":"ImageService3","width":1386,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.3,50.6 1210.8,50.4 1184.7,1916.3 96.3,1909.3 92.3,50.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0092/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[486.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2856125,37.81106]}},{"type":"Feature","properties":{"resourceCoords":[486.0,487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2877806,37.8115533]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0093__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 | 1902 | sanborn00727_002 p93 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2833.6"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0093__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0093","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"575.3,972.5 568.9,527.2 708.0,525.6 708.1,378.3 497.6,311.2 597.3,0.0 0.0,0.0 -0.0,2038.0 590.5,2038.0 576.3,1043.2 707.6,1010.8 707.6,1006.6 696.7,951.8 575.3,972.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0093__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":[-122.3072153226545,37.8101358026611]}},{"type":"Feature","properties":{"resourceCoords":[708.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30564265322212,37.80980219722485]}},{"type":"Feature","properties":{"resourceCoords":[708.4,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30685639635618,37.80622052678678]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30842906578856,37.806554132223035]}},{"type":"Feature","properties":{"resourceCoords":[672.4,1197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3064355,37.8077155]}},{"type":"Feature","properties":{"resourceCoords":[672.4,1197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3062373,37.8080805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p94","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0094","type":"ImageService3","width":1386,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1386.0,2038.0 836.2,2038.0 838.7,1785.4 0.0,1780.2 0.0,0.0 409.1,0.0 408.0,199.0 737.0,197.8 735.7,508.5 1386.0,511.2 1386.0,776.0 1217.8,775.7 1222.1,1570.4 1272.4,1579.0 1271.8,1496.8 1386.0,1840.0 1386.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1260.0,1377.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2927857,37.8035159]}},{"type":"Feature","properties":{"resourceCoords":[408.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29589,37.8026144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0095/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p95","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0095/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0095","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1343.1,796.1 1332.8,2038.0 224.9,2038.0 49.8,1497.6 49.8,1579.5 0.0,1570.6 0.0,778.0 166.8,779.8 168.2,515.6 1164.1,528.1 1162.6,794.4 1343.1,796.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0095/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29583941701561,37.80410708461649]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2950042384714,37.806539358209115]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2905223178979,37.80556502757761]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2913574964421,37.80313275398498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0096/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p96","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0096/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0096","type":"ImageService3","width":1386,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1386.0,2038.0 -0.0,2038.0 -0.0,656.1 172.2,615.9 155.4,541.6 -0.0,578.5 0.0,0.0 747.7,0.0 1386.0,210.8 1386.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0096/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.3062663058341,37.808941291002554]}},{"type":"Feature","properties":{"resourceCoords":[1386.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30384953275826,37.808452334877394]}},{"type":"Feature","properties":{"resourceCoords":[1386.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30475315465058,37.80562484590655]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.30716992772642,37.80611380203171]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p97","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0097","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.9,1810.0 183.9,801.4 0.0,800.6 0.0,529.4 658.0,533.6 657.6,202.2 1232.0,203.0 1222.8,1810.2 181.9,1810.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0097/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2951199444709,37.806145355399856]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29428272451942,37.80852964298661]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2898891079446,37.807552957325214]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29072632789608,37.80516866973846]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0098/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p98","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0098/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0098","type":"ImageService3","width":1386,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.3,200.0 820.2,188.5 916.5,0.0 951.9,0.0 957.2,191.8 1386.0,184.5 1386.0,2012.4 1030.2,2015.0 1026.3,1750.7 832.2,1753.6 802.7,1809.3 106.0,1821.0 94.3,200.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0098/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1240.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.293224,37.810166]}},{"type":"Feature","properties":{"resourceCoords":[106.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2903556,37.8073466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0099/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1902 | sanborn00727_002 p99","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T04:11:57Z","modified":"2026-09-21T04:11:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0099/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0099","type":"ImageService3","width":1399,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"568.2,199.6 577.4,0.0 1263.7,0.0 1257.5,1799.8 488.3,1801.2 500.1,200.7 568.2,199.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727190201:00727_01_1902-0099/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[900.0,1398.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.290245,37.810518]}},{"type":"Feature","properties":{"resourceCoords":[900.0,194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2928938,37.8111198]}}]}}]}