{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00727_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, California | 1911 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"119"},{"label":"placed","value":"103"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 53, georef-snap 49, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p0__2 (tier 1, 37.84311,-122.24155 +/-100m); p261__2 (tier 1, 37.84346,-122.25294 +/-177m); p265 (tier 1, 37.84172,-122.29398 +/-104m); p278 (tier 1, 37.84648,-122.25457 +/-252m); p279 (tier 1, 37.84913,-122.24698 +/-232m); p281__2 (tier 1, 37.84690,-122.25236 +/-100m); p286__1 (tier 1, 37.83762,-122.24795 +/-257m); p286__2 (tier 1, 37.83952,-122.24695 +/-167m); p305__2 (tier 1, 37.83879,-122.26190 +/-128m); p314__3 (tier 1, 37.83215,-122.25054 +/-100m); p320 (tier 1, 37.83453,-122.28796 +/-287m); p323 (tier 2, 37.83735,-122.29004 +/-100m); p324 (tier 2, 37.83326,-122.28944 +/-100m); p327__1 (tier 1, 37.83172,-122.29114 +/-250m); p327__2 (tier 1, 37.83335,-122.29258 +/-100m); p341__2 (tier 1, 37.83216,-122.24857 +/-139m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p251","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0251/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0251","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1220.2,1818.8 227.9,1808.7 193.2,1798.1 114.4,854.0 59.7,860.0 54.6,795.5 55.2,105.3 320.9,44.6 1111.8,34.4 1607.6,125.0 1617.0,115.4 1617.0,624.5 1592.7,624.5 1596.5,1209.0 1597.3,1209.1 1603.5,1824.2 1569.6,1823.7 1220.2,1818.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0251/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[838.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2825196,37.8441602]}},{"type":"Feature","properties":{"resourceCoords":[846.0,126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.283145,37.8471941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p252","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0252/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0252","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"21.6,1825.1 18.4,1210.2 17.6,1210.2 16.7,625.9 41.0,626.0 43.5,117.2 44.5,116.1 97.7,62.5 374.4,27.6 1590.8,79.7 1607.4,78.9 1603.2,314.0 1616.3,432.9 1633.0,512.5 1633.0,1095.5 1612.8,1614.3 1603.8,1851.9 828.2,1839.3 22.9,1825.1 21.6,1825.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0252/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[834.0,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2792071,37.8458907]}},{"type":"Feature","properties":{"resourceCoords":[65.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2813434,37.8474323]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p253","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0253/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0253","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"820.0,31.2 1241.7,39.5 1560.6,121.7 1605.0,114.0 1555.8,122.7 1559.1,1621.9 1605.0,1621.9 1605.0,1797.7 1573.6,1823.9 1519.1,1860.2 1064.7,1622.2 661.0,1621.0 176.6,1622.2 139.8,1617.2 155.3,1095.0 149.8,508.2 132.2,428.4 117.8,308.8 119.8,72.2 820.0,31.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0253/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1005.0,1622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2752856,37.8454881]}},{"type":"Feature","properties":{"resourceCoords":[1004.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2758398,37.8481628]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p254","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0254/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0254","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"483.6,47.5 1468.5,91.7 1503.1,87.5 1468.1,160.4 1397.8,1236.2 1430.8,1305.0 1445.3,1365.8 1448.7,1618.6 694.0,1621.3 660.6,1618.0 618.1,1657.7 495.1,1909.7 332.8,1728.8 317.5,1741.2 169.2,1748.9 105.3,1802.6 103.8,1627.1 57.8,1627.2 50.4,123.8 100.7,114.8 483.6,47.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0254/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1456.0,1122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27106076922313,37.84694838619013]}},{"type":"Feature","properties":{"resourceCoords":[1456.0,1626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27087871960269,37.84605053103347]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p255","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0255/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0255","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1094.0,68.0 1345.8,113.1 1352.0,168.4 1359.7,1673.1 601.0,1679.0 321.5,1678.5 318.1,1426.9 303.6,1366.4 270.8,1297.8 340.6,227.0 375.4,154.3 1094.0,68.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0255/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1356.0,978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2688072,37.8476115]}},{"type":"Feature","properties":{"resourceCoords":[-463.0,1678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.272676,37.845838]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0256/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p256","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0256/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0256","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1456.3,1565.9 1442.2,1774.3 58.5,1770.0 59.7,1663.0 72.5,163.4 67.1,108.2 202.8,134.4 460.8,36.3 1346.0,54.8 1554.9,109.3 1456.9,1556.2 1456.3,1565.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0256/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1487.0,1113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2655256,37.8477989]}},{"type":"Feature","properties":{"resourceCoords":[61.0,1366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2686611,37.846901]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0257/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p257","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0257/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0257","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.2,112.9 353.2,148.1 1204.5,58.9 1470.4,134.2 1605.0,91.2 1605.0,147.0 1605.0,178.3 1469.2,177.8 1492.0,1127.0 1499.7,1531.8 1500.7,1580.9 123.9,1569.2 124.3,1561.9 216.2,112.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0257/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[161.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.265558,37.8480416]}},{"type":"Feature","properties":{"resourceCoords":[1492.0,1127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2624846,37.8481898]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0258/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p258","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0258/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0258","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"704.8,1757.0 215.6,1759.3 209.8,1608.0 207.6,1530.8 196.0,1123.9 164.2,169.9 300.6,169.1 299.8,81.5 396.4,49.6 1235.0,97.7 1217.0,162.5 1342.3,162.0 1356.5,161.8 1364.7,959.5 1334.2,959.7 1330.3,1356.0 1329.2,1750.7 704.8,1757.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0258/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1105.0,564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2606333,37.8494481]}},{"type":"Feature","properties":{"resourceCoords":[776.0,1756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2609458,37.8472277]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0259/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p259","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0259/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0259","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.0,1753.0 860.1,1744.9 910.9,1727.3 1095.8,1726.2 1130.0,1743.8 1142.3,1778.4 1483.6,1779.0 1484.9,1743.5 1496.1,1427.3 1545.6,166.6 1533.2,166.8 1178.0,52.0 606.1,37.5 189.2,129.1 94.0,69.5 63.1,124.4 18.3,122.0 1.0,185.3 1.0,186.0 124.5,185.0 138.5,184.8 149.8,972.0 119.8,972.4 117.5,1363.4 118.0,1753.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0259/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[911.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2581622,37.849042]}},{"type":"Feature","properties":{"resourceCoords":[118.0,1753.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2596978,37.8473951]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p260","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0260/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0260","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.2,1759.4 81.1,1436.8 149.2,151.2 136.6,151.3 411.0,60.8 1140.1,123.6 1250.9,93.0 1250.7,151.6 1157.3,151.1 1134.1,631.2 1100.3,1210.4 1071.0,1760.7 1026.1,1760.8 704.9,1742.9 206.6,1760.1 136.6,1760.1 136.4,1772.5 135.4,1773.7 109.9,1760.0 65.2,1759.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0260/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[775.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25558878425173,37.85083920644939]}},{"type":"Feature","properties":{"resourceCoords":[113.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25667328591445,37.8487886363317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0261__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 | 1911 | sanborn00727_007 p261 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6424.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0261__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0261","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"259.0,114.2 259.1,172.2 166.7,172.0 145.5,647.1 114.3,1220.4 87.3,1765.0 121.4,1769.2 260.9,1882.9 415.0,1908.5 533.6,1875.3 1106.6,1193.5 1162.6,855.9 1458.3,527.8 1446.0,374.9 1299.2,350.6 1233.0,158.6 934.6,94.0 624.0,148.1 386.7,78.6 259.0,114.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0261__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25344160111544,37.851128279759344]}},{"type":"Feature","properties":{"resourceCoords":[251.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25454249955862,37.85098411234377]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0262/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p262","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0262/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0262","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1404.8,1775.0 600.0,1805.0 598.4,1820.7 98.5,1885.1 47.7,1849.2 31.9,1411.8 105.3,1085.8 63.5,1068.8 119.1,1058.5 142.1,888.6 135.4,403.2 99.5,381.5 76.5,401.9 75.5,203.8 257.8,69.8 553.2,143.9 771.6,86.5 1270.9,99.8 1319.7,25.4 1324.8,267.1 1407.3,257.0 1406.4,755.0 1377.5,758.5 1338.1,763.1 1347.3,1036.6 1425.0,1028.5 1428.7,1774.3 1404.8,1775.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0262/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2919384,37.8426397]}},{"type":"Feature","properties":{"resourceCoords":[600.0,1805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2914536,37.8409382]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0263/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p263","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0263/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0263","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.7,1845.5 155.9,1103.0 78.4,1109.3 75.8,836.8 115.1,833.1 144.0,830.4 156.8,334.6 74.5,342.6 75.2,102.0 96.6,71.0 1269.3,44.6 1597.0,167.3 1597.0,1154.8 1597.0,1840.5 1252.9,1841.7 604.7,1843.7 141.7,1845.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0263/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[862.0,766.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.288600883057,37.843553020063716]}},{"type":"Feature","properties":{"resourceCoords":[862.0,1847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28799400342514,37.84163984726334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0264/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p264","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0264/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0264","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"218.9,148.8 448.4,45.5 1394.4,59.7 1400.7,48.2 1456.6,47.1 1450.0,1009.7 1445.9,1547.1 1390.2,1542.8 1387.2,1842.4 977.1,1842.8 201.7,1837.2 159.4,1836.8 158.4,1836.8 176.7,132.5 218.9,148.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0264/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1418.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2837544,37.8430544]}},{"type":"Feature","properties":{"resourceCoords":[596.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2853885,37.8421702]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0266/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p266","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0266/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0266","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"565.8,1838.4 100.0,1921.0 27.8,1841.5 33.8,1298.0 128.1,922.6 68.6,823.2 110.3,687.8 72.8,317.6 132.5,140.8 105.0,120.2 607.6,68.0 609.6,52.3 1417.0,42.2 1496.5,42.0 1389.0,1029.5 1373.2,1029.1 1371.2,1685.5 1302.5,1686.7 1145.3,1702.7 1022.6,1771.7 985.7,1818.8 872.1,1893.5 565.8,1838.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0266/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[991.0,1075.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29003322466866,37.83930916894613]}},{"type":"Feature","properties":{"resourceCoords":[991.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29059935772042,37.84108954727043]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0267/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p267","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0267/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0267","type":"ImageService3","width":1590,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.1,1055.7 76.7,1056.0 172.0,80.2 577.2,74.2 1221.3,65.4 1589.0,60.3 1589.0,396.6 1589.0,1700.1 1239.3,1825.9 1239.1,1808.3 858.1,1764.0 858.5,1793.2 111.9,1699.5 66.4,1703.5 61.1,1055.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0267/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1240.0,1372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28637163881426,37.839497362265035]}},{"type":"Feature","properties":{"resourceCoords":[846.0,78.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28796263256895,37.84163970999904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0268/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p268","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0268/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0268","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"218.0,70.0 982.2,63.5 1386.3,56.8 1391.0,348.1 1444.8,344.8 1450.2,1006.6 1396.3,1016.8 1403.2,1775.8 1403.4,1796.0 1002.2,1784.0 1002.2,1779.8 613.1,1773.8 613.1,1788.1 228.4,1747.5 228.2,1714.1 192.4,1726.7 201.5,70.2 218.0,70.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0268/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1006.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2839422,37.8405595]}},{"type":"Feature","properties":{"resourceCoords":[218.0,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2862553,37.8419962]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0269/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p269","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0269/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0269","type":"ImageService3","width":1590,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.7,1440.1 1567.8,1753.5 1302.1,1775.2 1268.8,1777.8 1248.2,1550.2 281.6,1871.2 226.3,1210.5 172.8,1217.9 146.2,927.1 122.2,632.4 177.3,631.5 133.1,102.7 168.0,113.4 1163.5,122.4 1513.9,126.9 1549.2,127.4 1547.6,826.8 1549.0,1122.1 1569.0,1120.8 1574.0,1347.2 1572.7,1440.8 1574.7,1440.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0269/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[780.0,627.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2823279,37.8432511]}},{"type":"Feature","properties":{"resourceCoords":[780.0,119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2825196,37.8441602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p270","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0270/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0270","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"811.6,277.6 1586.7,289.2 1565.7,908.8 1567.8,968.0 1608.0,955.0 1608.2,1046.6 1507.1,1079.0 1508.0,1130.0 1483.6,1771.9 1139.2,1799.5 693.4,1831.5 17.8,1883.2 26.2,1571.2 24.1,1571.9 25.9,1478.8 22.1,1253.3 2.1,1254.5 2.1,960.5 7.1,264.3 811.6,277.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0270/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27892731840515,37.844606388202585]}},{"type":"Feature","properties":{"resourceCoords":[10.0,274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28076280938879,37.84435786714435]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0271/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p271","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0271/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0271","type":"ImageService3","width":1590,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"232.0,61.3 268.6,66.8 753.4,72.8 1157.2,79.9 1589.0,314.2 1589.0,326.4 1589.0,337.1 1513.0,386.1 1508.1,498.6 1431.5,545.4 1430.6,623.1 1532.8,560.3 1535.2,1070.5 1549.8,1072.5 1522.7,1479.6 1527.4,1480.8 1417.9,1698.2 1415.8,1877.7 1390.2,1876.3 1146.6,1854.7 787.0,1827.1 548.6,1812.1 379.1,1778.7 108.4,1793.9 137.1,1147.2 136.6,1095.8 238.6,1063.8 239.1,971.5 198.4,984.3 196.7,924.6 221.8,300.4 232.0,61.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0271/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1092.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27529468016148,37.845471777825836]}},{"type":"Feature","properties":{"resourceCoords":[2234.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27272013453609,37.84583373607147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0272/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p272","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0272/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0272","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.3,523.5 109.6,1032.7 124.2,1034.5 102.0,1441.2 106.8,1442.4 1.0,1658.7 1.0,1839.8 617.0,1863.8 1599.0,1896.6 1599.0,1516.5 1599.9,48.5 848.2,47.0 815.0,43.5 772.4,82.8 648.5,333.1 487.9,152.0 472.5,164.3 324.7,171.2 228.4,251.2 79.4,349.8 75.8,462.1 1.0,509.1 1.0,586.8 101.3,523.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0272/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,1480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27247854551655,37.84322629892153]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,542.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27076679407031,37.84517272863328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0273/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p273","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0273/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0273","type":"ImageService3","width":1590,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"508.7,1779.6 507.4,1555.4 500.4,79.4 781.6,80.0 1544.9,74.3 1545.1,182.4 1546.7,531.6 1556.3,627.8 1559.0,1081.1 1560.5,1693.5 1561.1,1821.0 508.7,1779.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0273/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1547.0,1086.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26817684690793,37.844569583645665]}},{"type":"Feature","properties":{"resourceCoords":[508.0,587.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27069740622501,37.845160962724194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0274/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p274","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0274/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0274","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.2,1070.7 93.5,616.8 84.9,520.4 87.0,170.6 1485.9,171.4 1430.9,1050.7 1412.8,1279.9 1376.0,1845.5 1093.7,1849.5 335.3,1848.0 85.0,1845.1 86.1,1683.9 91.2,1070.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0274/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[569.0,574.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2672700127136,37.8456076265581]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26784610542461,37.84320442815542]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0275/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p275","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0275/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0275","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1376.8,1915.2 1082.4,1897.6 440.9,1905.5 81.3,1907.7 86.8,1831.2 127.5,1290.1 146.9,1070.8 207.9,229.7 223.1,28.1 223.3,25.8 1553.8,52.5 1554.0,79.2 1556.5,224.8 1563.6,828.4 1574.1,1369.5 1580.6,1598.8 1570.5,1630.7 1574.4,1773.0 1620.3,1830.8 1593.6,1920.0 1593.0,1920.0 1566.0,1926.0 1506.9,1928.7 1449.0,1927.2 1376.8,1915.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0275/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[145.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26532210259508,37.84574643083006]}},{"type":"Feature","properties":{"resourceCoords":[145.0,49.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26559039396706,37.84691310770935]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0276/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p276","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0276/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0276","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"552.8,157.4 1176.6,155.5 1165.5,943.1 1156.8,1699.4 1156.5,1735.6 777.8,1738.6 179.6,1733.7 154.0,1823.8 105.5,1764.3 99.4,1616.6 109.4,1583.4 99.3,1345.2 80.5,783.3 64.2,156.4 552.8,157.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0276/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1171.0,550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2595616,37.8466896]}},{"type":"Feature","properties":{"resourceCoords":[624.0,157.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2609458,37.8472277]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0277/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p277","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0277/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0277","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"919.6,166.2 971.0,148.5 1157.6,148.0 1192.1,165.8 1204.4,200.8 1549.0,202.4 1550.4,166.7 1594.6,166.8 1620.0,180.1 1563.9,248.7 1524.3,1636.0 1620.0,1646.8 1620.0,1718.0 1620.0,1724.7 1461.3,1902.5 1055.0,1539.0 864.3,1755.7 845.5,1739.0 162.9,1727.9 162.9,1712.5 165.6,957.9 170.3,172.1 919.6,166.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0277/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,1539.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2571994,37.845199]}},{"type":"Feature","properties":{"resourceCoords":[164.0,1354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2592865,37.8452769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0280/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p280","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0280/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0280","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"616.6,1879.5 159.8,1762.9 176.3,1406.1 30.5,268.9 115.4,130.9 1035.6,52.0 1045.8,16.6 1087.8,103.9 1184.2,348.3 1230.7,499.4 1370.1,1042.9 1479.2,1493.2 1525.8,1688.0 1530.0,1765.8 1508.9,1892.2 1502.9,1929.6 1470.3,1929.5 1450.9,1929.5 1291.1,1908.6 716.3,1828.2 674.5,1869.8 659.5,1854.5 587.4,1926.5 585.6,1926.5 616.6,1879.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0280/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24835459153047,37.84844409170236]}},{"type":"Feature","properties":{"resourceCoords":[1634.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24756834270438,37.84561184039428]}},{"type":"Feature","properties":{"resourceCoords":[1634.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25181653233932,37.84486606598815]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25260278116541,37.847698317296235]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0281__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 | 1911 | sanborn00727_007 p281 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6508.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0281__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0281","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1290.5,1866.1 1626.0,1859.3 1626.0,1242.3 1568.8,673.5 1542.1,641.0 1547.1,637.4 1510.9,601.2 1413.7,475.8 1067.7,21.0 1010.0,21.0 1010.0,1.0 990.0,1.0 990.0,9.0 984.0,10.0 984.0,16.0 977.0,21.0 954.0,21.0 953.0,11.0 946.0,10.0 946.0,1.0 897.9,1.0 617.3,59.0 547.0,251.6 547.0,298.4 546.8,298.8 498.2,385.1 85.7,447.0 87.3,756.8 94.7,1526.6 39.4,1566.0 91.6,1624.3 92.0,1864.0 905.2,1863.5 955.1,1863.6 1290.5,1866.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0281__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1248.0,258.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.251942,37.8459678]}},{"type":"Feature","properties":{"resourceCoords":[92.0,1864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2561471,37.8446636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0282/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p282","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0282/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0282","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.5,1501.3 1.0,1689.6 1.0,1825.4 12.0,1825.3 514.2,1823.9 1214.9,1820.1 1317.8,1818.2 1510.2,1813.6 1503.3,1403.0 1508.5,1403.0 1494.3,974.5 1506.8,974.6 1531.5,630.8 1503.3,631.0 1479.1,156.2 1043.0,160.6 846.5,162.0 771.1,148.8 654.8,100.5 614.6,84.2 601.1,123.8 1.0,580.6 1.0,1233.8 71.5,1501.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0282/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25319554720268,37.84475914718086]}},{"type":"Feature","properties":{"resourceCoords":[1634.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24984158584795,37.846030835968804]}},{"type":"Feature","properties":{"resourceCoords":[1634.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24793423404124,37.842849367192734]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25128819539597,37.84157767840479]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0283/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p283","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0283/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0283","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1626.0,1864.0 1626.0,1908.5 1167.3,1920.5 1164.0,1929.0 1118.0,1928.0 1073.1,1927.9 969.5,1792.1 879.0,1861.1 847.9,1835.3 791.8,1815.2 285.4,1808.0 131.6,1809.7 132.6,1395.2 137.8,1395.3 131.7,962.6 144.2,962.8 175.6,616.2 147.3,616.0 132.1,136.5 150.8,136.5 704.5,130.9 860.2,121.9 1117.2,87.0 1247.7,59.5 1520.5,96.9 1526.3,548.6 1538.0,548.6 1526.2,974.5 1519.0,1371.7 1415.5,1451.3 1415.2,1588.6 1626.0,1864.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0283/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[508.0,1398.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2479722,37.8439333]}},{"type":"Feature","properties":{"resourceCoords":[508.0,553.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.248824,37.8452872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0284/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p284","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0284/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0284","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.3,1887.5 209.4,1926.8 219.0,1927.0 355.6,1927.6 1588.5,1893.0 1557.3,69.3 645.4,59.9 255.0,158.5 101.6,137.2 108.2,584.8 119.8,584.8 108.9,1006.6 102.4,1400.1 1.0,1478.4 1.0,1616.5 209.3,1887.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0284/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1126.0,589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24467146242608,37.84691286772459]}},{"type":"Feature","properties":{"resourceCoords":[-149.0,1583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24627742403042,37.844282865342976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0285/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p285","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0285/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0285","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1079.8,1655.7 1193.0,1656.7 1192.1,1779.2 1615.8,1703.9 1615.8,1680.0 1592.1,1679.2 1549.7,645.9 1469.8,501.3 1544.7,246.7 1430.7,60.7 1419.5,42.4 1363.9,113.8 1194.0,114.0 1194.1,227.2 1154.9,236.3 1105.2,268.6 794.5,665.2 588.3,942.3 526.4,1024.5 97.8,1578.5 1.0,1702.9 1.0,1727.5 415.9,1844.3 429.0,1827.3 914.4,1868.2 971.6,1793.9 1079.8,1655.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0285/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1194.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2466385,37.8436692]}},{"type":"Feature","properties":{"resourceCoords":[2246.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2444908,37.8428305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0287/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p287","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0287/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0287","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.2,1682.9 138.5,1622.5 137.8,1256.6 136.3,1079.7 128.6,319.5 182.6,309.3 1170.0,61.0 1173.8,289.4 1207.2,289.2 1553.3,286.8 1546.1,666.2 1562.1,666.2 1535.1,1042.6 1526.3,1042.6 1538.7,1449.5 1541.7,1449.6 1541.8,1800.5 1186.9,1785.1 867.5,1773.3 196.7,1745.2 195.9,1685.8 139.2,1682.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0287/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28292044108436,37.84036266349301]}},{"type":"Feature","properties":{"resourceCoords":[144.0,1774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28227612615706,37.83827704638444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0288/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p288","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0288/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0288","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.3,1655.8 91.2,1302.1 88.2,1301.9 81.4,891.6 90.3,891.7 122.8,512.7 106.7,512.5 119.3,130.1 725.0,134.4 1177.5,139.7 1527.2,140.9 1455.3,765.5 1440.2,988.1 1403.0,1369.1 1383.1,1449.5 1355.4,1734.5 1079.6,1711.7 182.6,1661.4 86.3,1655.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0288/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[727.0,515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27837915417523,37.841108507073024]}},{"type":"Feature","properties":{"resourceCoords":[727.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27816269744983,37.84044805141458]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0289/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p289","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0289/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0289","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.7,1416.5 164.9,1334.4 166.2,951.0 160.2,727.6 173.1,98.0 445.2,78.0 616.3,108.7 856.5,119.7 1218.7,141.2 1464.1,158.9 1566.8,162.3 1575.0,563.9 1557.0,563.5 1577.1,1368.7 1571.8,1368.8 1582.8,1875.5 1546.7,1875.6 1178.0,1874.5 572.6,1877.3 655.4,1703.7 151.9,1703.2 152.7,1416.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0289/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,1376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2749285,37.8400357]}},{"type":"Feature","properties":{"resourceCoords":[159.0,1376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.276398,37.8398495]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0290/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p290","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0290/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0290","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.4,1803.0 48.5,1298.7 53.8,1298.7 38.6,497.3 56.5,497.8 50.7,98.2 593.1,119.7 1578.1,153.3 1577.0,1805.5 1232.0,1807.0 201.6,1803.5 56.4,1803.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0290/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[630.0,1300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.271914,37.8404349]}},{"type":"Feature","properties":{"resourceCoords":[630.0,1805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2717242,37.8395353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0291/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p291","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0291/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0291","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"537.6,1873.9 356.7,1875.4 351.2,234.6 350.8,78.1 1393.2,121.5 1393.3,154.5 1396.0,1877.7 537.6,1873.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0291/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1399.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26766250712221,37.8422760240938]}},{"type":"Feature","properties":{"resourceCoords":[346.0,611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27007921857758,37.842081869962975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0292/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p292","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0292/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0292","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"345.0,138.5 1105.3,137.2 1388.3,132.2 1383.6,212.4 1333.4,1046.2 1281.5,1890.1 1113.2,1884.2 135.9,1883.2 88.0,1883.0 94.0,136.5 345.0,138.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0292/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[572.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2665951,37.8424011]}},{"type":"Feature","properties":{"resourceCoords":[88.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2672245,37.8401146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0293/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p293","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0293/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0293","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.6,947.6 120.1,105.5 498.6,75.0 1173.5,16.6 1485.0,12.0 1562.0,19.0 1593.0,31.0 1610.0,31.0 1622.0,24.0 1622.0,420.9 1614.5,455.3 1508.2,942.2 1522.8,995.8 1486.2,1192.7 1385.3,1644.7 1334.2,1848.1 1301.7,1895.5 1297.8,1872.7 237.9,1818.0 120.0,1800.0 120.6,947.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0293/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2645475,37.8404563]}},{"type":"Feature","properties":{"resourceCoords":[120.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2649591,37.8435268]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0294/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p294","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0294/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0294","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.2,1827.6 28.0,1842.7 27.0,1804.6 2.5,1756.6 5.7,1273.3 6.1,1221.5 8.3,844.9 9.3,726.4 10.1,634.0 579.9,482.4 939.0,380.6 933.8,360.9 1588.2,197.8 1610.4,209.0 1419.0,589.2 1327.2,770.7 1218.2,985.9 1018.5,1656.0 1363.2,1827.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0294/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1416.0,571.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25808960800987,37.8441326154975]}},{"type":"Feature","properties":{"resourceCoords":[554.0,473.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26005891640241,37.84447387488081]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0295/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p295","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0295/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0295","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"301.8,1926.5 178.9,1227.4 179.8,1023.9 180.1,982.5 180.6,865.0 181.0,776.0 182.2,343.8 181.5,54.3 728.4,57.5 1539.5,61.9 1573.6,62.2 1576.7,1113.0 1543.0,1113.0 1544.1,1717.3 1543.8,1834.0 1543.8,1842.3 758.6,1869.1 758.4,1893.8 757.1,1925.7 695.1,1924.6 301.8,1926.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0295/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[181.0,776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2580871,37.8440988]}},{"type":"Feature","properties":{"resourceCoords":[1543.0,1113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2558706,37.8422634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0296/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p296","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0296/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0296","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1139.2,1853.5 1139.2,1830.5 768.6,1869.9 768.4,1886.7 386.4,1837.5 386.4,1845.3 4.7,1795.6 5.0,1714.0 4.8,1113.6 38.2,1113.6 36.8,69.7 52.4,69.8 384.7,74.8 718.2,70.5 718.5,20.5 1202.0,16.0 1203.0,12.0 1207.0,16.0 1382.2,17.1 1548.2,69.6 1517.8,165.0 1517.5,1158.6 1516.0,1847.7 1139.2,1853.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0296/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1141.0,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2536677,37.8411466]}},{"type":"Feature","properties":{"resourceCoords":[1141.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2523748,37.842757]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0297/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p297","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0297/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0297","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.1,1197.8 109.8,192.4 140.4,95.8 264.8,258.8 377.9,330.2 384.2,319.9 552.3,48.7 993.4,123.6 1004.6,105.3 1491.7,94.4 1344.2,334.6 1368.5,380.0 1422.5,821.5 1444.9,1043.1 1501.0,1544.0 1511.5,1656.3 1360.4,1810.1 1334.8,1771.2 875.4,1865.4 875.3,1924.7 859.0,1924.7 492.9,1839.3 492.8,1853.6 109.0,1871.4 110.1,1197.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0297/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.252938,37.8407764]}},{"type":"Feature","properties":{"resourceCoords":[496.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.252196,37.8404044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0298/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p298","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0298/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0298","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"922.0,1929.0 922.0,1928.0 879.4,1928.0 879.5,1839.9 461.6,1782.7 461.6,1801.5 37.8,1749.8 39.8,1649.1 40.7,1150.6 43.5,930.4 39.9,490.6 21.2,443.3 250.1,150.7 358.1,14.7 420.9,15.7 470.0,16.6 468.2,137.7 887.9,66.2 888.0,42.5 1521.2,69.0 1480.2,171.4 1570.8,374.8 1583.6,1572.7 1563.4,1887.7 929.5,1906.9 924.0,1929.0 922.0,1929.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0298/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[882.0,2403.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24974549913196,37.836952101762456]}},{"type":"Feature","properties":{"resourceCoords":[458.0,-126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2480795168004,37.84142555252642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0299/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p299","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0299/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0299","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.0,41.1 147.5,11.2 204.0,11.9 207.1,70.9 874.9,71.9 1192.8,70.7 1541.3,71.8 1553.7,448.8 1549.7,448.8 1540.1,881.1 1511.5,881.0 1560.3,1539.3 1608.0,1536.8 1608.0,1689.8 1608.0,1842.6 300.9,1910.5 296.1,1821.6 295.4,1804.7 288.9,1653.6 287.2,1628.8 230.4,1604.2 284.5,1586.1 255.1,1000.1 240.2,757.9 183.8,734.2 149.0,41.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0299/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[826.0,1177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2802678,37.8365953]}},{"type":"Feature","properties":{"resourceCoords":[212.0,746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.281855,37.8371448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0300/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p300","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0300/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0300","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.6,1528.6 41.8,861.0 70.8,861.5 84.7,423.5 88.8,423.6 80.0,41.5 181.4,42.9 1079.5,53.1 1356.0,63.6 1338.5,443.8 1383.8,446.0 1437.7,859.3 1231.2,1238.5 1365.7,1245.4 1402.5,1575.2 1063.0,1546.1 1081.7,1505.2 161.6,1618.0 172.4,1834.5 129.9,1836.3 133.0,1526.5 84.6,1528.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0300/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1093.0,1519.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2761949432675,37.83660507966518]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27631573146131,37.839288640792375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0301/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p301","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0301/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0301","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.0,1615.3 237.2,1614.4 187.2,1285.9 52.3,1284.3 243.8,896.7 173.4,485.3 128.0,485.0 130.2,103.9 633.4,109.2 549.0,282.0 1154.0,285.0 1522.5,289.7 1554.8,289.9 1566.3,790.2 1574.3,790.3 1559.0,1296.0 1562.8,1296.1 1563.2,1800.0 1202.4,1796.8 1140.7,1804.7 248.6,1738.2 256.0,1615.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0301/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[128.0,485.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2761552,37.8385906]}},{"type":"Feature","properties":{"resourceCoords":[1154.0,285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2739288,37.8392551]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p302","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0302/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0302","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"714.2,1693.6 240.1,1695.3 63.5,1694.6 60.6,1195.1 56.9,1195.1 69.6,693.7 61.7,693.7 47.9,197.8 196.2,198.2 1222.0,200.6 1565.5,198.8 1564.7,412.3 1569.3,557.2 1582.6,698.1 1478.2,697.9 1496.7,876.5 1519.2,1024.0 1555.6,1198.7 1537.2,1368.9 1520.7,1448.8 1454.1,1638.7 1444.5,1697.3 869.1,1694.4 888.8,1759.8 714.2,1693.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0302/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[624.0,693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27153609545465,37.83865194492478]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2692527968749,37.83711169917774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p303","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0303/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0303","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1404.5,52.1 1573.6,240.8 1589.4,273.8 1585.0,382.0 1584.6,430.2 1588.2,739.3 1569.1,926.5 1542.9,972.5 1509.1,1120.3 1512.3,1228.9 1591.0,1234.0 1594.6,1439.7 1592.2,1579.7 1599.5,1928.1 1599.5,1948.0 1593.0,1923.0 1559.8,1926.0 1539.0,1784.8 615.4,1808.2 615.2,1799.5 124.7,1820.6 117.5,1334.2 120.6,1170.1 143.1,1057.0 241.8,36.1 264.0,33.3 461.6,86.1 1070.1,64.2 1082.0,21.2 1107.0,23.0 1108.0,15.0 1111.0,22.0 1131.7,21.7 1176.3,60.3 1404.5,52.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0303/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1195.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2642782,37.8384876]}},{"type":"Feature","properties":{"resourceCoords":[1585.0,382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2622194,37.8380075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p304","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0304/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0304","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.5,427.2 1520.6,616.8 1520.9,700.3 1513.5,925.0 1525.0,993.5 1518.3,1466.2 1505.9,1578.5 1505.3,1805.7 1511.8,1851.2 1453.4,1841.0 1264.5,1772.8 1185.0,1755.5 1015.3,1735.5 840.7,1770.1 693.3,1791.1 515.0,1807.9 516.2,1703.7 375.4,1715.6 230.8,1718.8 17.8,1715.9 18.6,1534.8 33.1,676.3 33.7,629.0 37.7,157.1 535.0,147.4 534.9,156.2 1470.8,154.5 1488.5,297.9 1522.1,295.7 1528.1,321.2 1525.5,427.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0304/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26705283706879,37.839239792017636]}},{"type":"Feature","properties":{"resourceCoords":[1518.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26928118295216,37.83708880912937]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0305__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 | 1911 | sanborn00727_007 p305 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6436.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0305__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0305","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.4,1352.3 324.2,1934.5 427.9,1933.9 652.0,1932.8 849.4,1636.0 874.2,1647.9 977.9,1434.9 1050.0,1302.3 1197.6,985.0 1334.0,700.0 1335.3,700.5 1457.7,449.0 1490.2,421.3 1569.8,271.8 1580.9,251.0 1525.0,222.9 155.2,261.1 161.8,420.8 164.1,880.8 159.7,1089.0 138.7,1142.1 140.4,1352.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0305__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[140.0,1310.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2619191,37.8402097]}},{"type":"Feature","properties":{"resourceCoords":[1334.0,700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2590644,37.8410402]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0306/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p306","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0306/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0306","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1551.8,1826.7 1561.8,220.2 1181.2,173.9 1181.3,181.8 801.0,135.0 801.1,169.2 801.1,177.3 24.8,208.3 24.8,232.8 16.8,453.3 1.0,489.4 1.0,1094.1 6.7,1418.7 1.0,1544.5 1.0,1798.8 23.0,1798.6 454.2,1796.2 1166.0,1794.7 1166.6,1808.6 1551.8,1826.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0306/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.0,744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25749311895932,37.840288654967864]}},{"type":"Feature","properties":{"resourceCoords":[792.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25880675936762,37.83867824054573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p307","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0307/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0307","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"861.9,1815.7 80.6,1795.5 108.0,180.6 483.2,142.0 483.1,165.4 864.6,160.8 864.8,137.1 1248.7,120.8 1248.8,106.6 1608.0,191.8 1608.0,1092.3 1608.0,1724.7 1579.4,1817.1 1535.6,1809.6 862.0,1803.0 861.9,1815.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0307/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[862.0,1803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2558312,37.8371668]}},{"type":"Feature","properties":{"resourceCoords":[1243.0,753.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2538245,37.8383997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0308/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p308","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0308/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0308","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1190.1,1734.2 687.6,1785.5 489.1,1805.5 405.3,1837.3 29.7,1865.3 17.9,419.9 40.6,421.5 40.8,363.1 494.4,271.2 519.7,309.6 669.2,158.1 668.3,147.4 1094.5,151.8 1092.3,133.1 1513.2,143.6 1522.8,231.0 1567.2,227.1 1570.2,226.8 1573.1,1831.6 1532.5,1892.2 1362.2,1886.0 1325.8,1912.3 1322.0,1890.2 1274.0,1756.8 1190.1,1734.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0308/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[954.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2512978,37.83714]}},{"type":"Feature","properties":{"resourceCoords":[39.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2530825,37.8380301]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0309/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0309","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1608.0,521.7 1608.0,729.3 1529.5,940.5 1502.0,939.0 1344.6,1885.6 118.8,1884.2 118.6,1872.8 121.0,1684.5 122.3,1559.2 118.5,1208.7 122.5,1067.8 121.0,860.9 41.8,855.0 39.7,745.8 75.2,597.4 102.0,551.4 123.2,363.3 122.7,52.3 123.3,17.1 173.1,17.7 512.0,113.2 682.2,164.2 1191.8,358.7 1219.7,354.8 1293.9,383.4 1313.7,407.4 1458.5,463.3 1608.0,521.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0309/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26426742094891,37.837756104209724]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26374051693384,37.835184827097166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0310/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p310","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0310/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0310","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.4,68.3 1190.3,65.0 1491.0,173.4 1370.5,556.5 1341.8,545.8 1224.6,864.2 940.5,1625.7 901.9,1611.7 42.3,1878.3 40.8,1300.1 33.5,1254.3 30.1,1025.5 40.7,912.2 39.2,436.2 26.4,367.4 29.9,140.9 28.4,68.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0310/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[538.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26770265109137,37.83638808853736]}},{"type":"Feature","properties":{"resourceCoords":[-458.0,1130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26909366442761,37.8380348533185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0311/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p311","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0311/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0311","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1355.4,1170.4 1457.0,1132.8 1489.7,675.3 1478.7,675.2 1477.3,675.2 1460.2,205.8 743.1,200.7 308.6,199.2 258.2,199.0 207.9,547.5 1.0,647.2 1.0,779.0 157.9,947.7 125.3,1202.8 110.5,1236.8 24.5,1305.3 201.2,1672.2 280.4,1675.8 603.5,1559.4 922.2,1398.8 979.2,1373.2 1375.2,1229.6 1355.4,1170.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0311/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1097.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2593621,37.8379375]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,206.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2580482,37.8382865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0312/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p312","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0312/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0312","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"19.3,1103.2 125.2,1393.7 270.6,1802.4 754.0,1628.0 963.5,1557.4 1461.2,1376.3 1371.2,1011.1 1280.9,635.5 1273.3,560.9 1282.5,131.2 1283.0,105.7 505.3,79.5 504.4,114.8 114.7,89.3 127.1,547.1 128.5,547.1 139.6,547.2 102.4,1006.7 1.0,1043.2 1.0,1053.1 19.3,1103.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0312/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[508.0,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2578903,37.8371981]}},{"type":"Feature","properties":{"resourceCoords":[754.0,1628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2587055,37.8353124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0313/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p313","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0313/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0313","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.7,721.2 141.6,341.2 514.1,285.3 896.9,230.1 972.0,229.4 1399.6,278.3 1437.6,282.7 1363.7,950.3 1351.9,993.0 1443.7,1031.9 1507.1,1046.8 1496.6,1427.2 1520.0,1514.8 1519.6,1716.4 1157.1,1720.8 192.0,1727.3 194.7,1337.9 192.6,985.5 171.7,721.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0313/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[197.0,1337.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2549360382051,37.834318050864766]}},{"type":"Feature","properties":{"resourceCoords":[895.0,235.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25647986185332,37.836329017049934]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314__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 | 1911 | sanborn00727_007 p314 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6464.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9.9,1435.5 609.0,1446.8 602.9,1870.5 602.8,1877.3 1615.0,1869.2 1615.0,1839.7 1570.0,1835.8 1534.6,984.6 1402.4,927.5 836.5,1105.5 833.6,1100.2 829.5,1101.6 825.6,1085.7 653.8,772.5 579.2,355.1 644.0,319.2 643.0,296.8 611.2,157.9 530.2,125.3 23.0,116.0 20.8,476.3 9.9,1435.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1540.0,1346.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25088033379568,37.83295361734438]}},{"type":"Feature","properties":{"resourceCoords":[570.0,1443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25298852369124,37.83354898554056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314__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 | 1911 | sanborn00727_007 p314 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2300.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4163.6"},{"label":"split_canvas_h","value":"4406.4"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1077.2,995.1 1222.3,943.1 1504.8,855.6 1555.5,850.1 1556.1,636.0 1557.5,313.8 1558.6,19.1 1537.0,19.2 1453.1,19.5 1416.0,39.9 1332.9,35.8 1035.5,33.8 903.1,40.9 804.0,62.2 619.9,110.4 693.7,405.7 955.1,1035.1 1040.0,1008.5 1077.2,995.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0314__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1543.0,834.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25760375104258,37.82625346189255]}},{"type":"Feature","properties":{"resourceCoords":[1543.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25680055559114,37.82755361654089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0315/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p315","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0315/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0315","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.7,159.4 1540.9,1369.2 1545.0,1755.3 785.9,1708.0 786.0,1714.0 465.1,1715.7 298.3,1716.1 158.7,1318.7 192.7,1318.6 234.8,926.7 220.3,926.7 227.2,530.2 231.4,530.2 244.4,121.5 403.9,120.6 776.0,121.0 868.0,120.2 1577.8,115.5 1557.7,159.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0315/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2841351,37.8381792]}},{"type":"Feature","properties":{"resourceCoords":[786.0,1714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2858587,37.8378428]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0316/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p316","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0316/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0316","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1530.5,110.8 1560.7,110.9 1585.5,168.4 1468.5,168.1 1513.9,1651.0 1515.6,1650.9 1392.6,1931.8 1380.1,1931.7 1379.2,1931.6 1375.8,1863.4 1035.3,1782.9 637.0,1896.3 166.9,1931.5 65.2,1921.5 66.5,1407.6 98.7,209.5 119.0,166.2 146.0,110.4 390.3,108.3 981.0,110.1 996.1,165.8 1024.1,109.7 1049.1,109.3 1218.4,111.0 1530.5,110.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0316/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28162561807373,37.83744012282328]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28070349153028,37.83461118703143]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28500395229686,37.83372445534625]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28592607884032,37.836553391138104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0317/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p317","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0317/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0317","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1568.7,1695.6 493.6,1577.7 493.9,1624.6 512.6,1720.9 231.2,1730.9 224.3,1731.2 179.2,273.6 294.8,274.4 270.4,217.8 683.2,222.2 1560.8,225.4 1569.3,438.0 1570.2,743.2 1573.0,826.2 1571.7,1136.0 1566.2,1212.7 1565.1,1435.8 1568.7,1695.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0317/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1569.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28366162481045,37.83163804727543]}},{"type":"Feature","properties":{"resourceCoords":[1569.0,1250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28253453030362,37.83187027868262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0318/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p318","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0318/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0318","type":"ImageService3","width":1619,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"874.5,1772.0 874.4,1744.2 819.8,1745.6 99.0,1742.0 99.2,1705.8 94.3,1408.1 94.9,1180.9 100.3,1102.8 100.9,787.4 97.7,702.9 96.0,392.1 86.9,175.7 372.5,178.0 868.9,177.0 868.1,237.4 1385.6,242.9 1618.0,242.2 1618.0,252.4 1547.5,249.4 1552.1,1740.3 874.5,1772.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0318/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2814728,37.8320846]}},{"type":"Feature","properties":{"resourceCoords":[99.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2836879,37.8316328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0319/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p319","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0319/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0319","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.7,1359.4 245.9,588.6 215.8,588.4 268.9,194.8 454.9,196.4 777.6,198.3 777.5,192.2 1540.3,248.3 1538.2,661.0 1494.2,940.1 1546.6,1071.5 1554.8,1859.2 1145.5,1831.8 350.0,1900.8 346.7,1918.0 271.2,1801.4 223.5,1763.3 153.8,1637.5 138.7,1476.8 138.0,1406.6 134.7,1359.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0319/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[778.0,605.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2867427626492,37.837661303209174]}},{"type":"Feature","properties":{"resourceCoords":[-242.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28645803619666,37.83958842009187]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0321/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p321","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.50"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0321/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0321","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1575.0,332.6 1575.0,369.0 1575.0,1844.1 1337.5,1843.6 555.7,1767.3 554.7,1752.9 114.5,1900.4 64.7,1845.1 60.4,1555.8 148.5,1087.6 86.5,1025.1 136.4,921.0 76.2,882.2 63.0,654.7 197.9,343.7 203.3,343.5 491.8,331.5 471.9,232.9 471.4,184.8 1574.3,299.2 1575.0,332.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0321/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1575.0,1346.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2858306,37.8312019]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,369.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2836879,37.8316328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0322/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p322","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0322/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0322","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1526.5,1799.2 859.2,1572.3 859.9,1922.0 835.0,1922.0 828.0,1932.0 828.0,1937.5 806.5,1948.0 803.2,1645.8 90.0,1642.4 90.0,196.0 801.6,197.1 855.5,195.5 855.7,223.0 1524.6,189.4 1532.6,1417.2 1526.5,1799.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0322/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,1154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2858306,37.8312019]}},{"type":"Feature","properties":{"resourceCoords":[90.0,196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2836879,37.8316328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0325/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p325","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0325/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0325","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.1,1829.1 1068.7,1908.7 819.8,1915.4 62.5,1763.1 28.4,1561.3 95.3,805.6 50.1,740.1 112.3,524.0 41.6,436.6 127.2,311.4 122.5,306.2 559.0,158.8 560.1,173.1 1336.3,247.0 1572.0,247.0 1571.3,740.2 1574.7,1414.9 1572.0,1737.0 1339.5,1741.7 1274.4,1742.3 1276.1,1829.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0325/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1572.0,1737.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2902172,37.8303261]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,247.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2869231,37.8309822]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0326/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p326","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0326/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0326","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1596.0,1670.9 862.7,1729.2 867.2,1934.6 864.0,1933.7 863.0,1927.0 838.0,1927.0 813.0,1948.0 793.8,1740.5 758.2,1719.5 454.3,1721.2 90.0,1726.0 92.7,1408.2 89.3,742.6 90.0,256.0 802.3,257.6 806.2,559.5 859.5,533.4 858.0,184.2 1525.0,409.2 1544.2,1625.0 1596.0,1638.1 1596.0,1670.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0326/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2869231,37.8309822]}},{"type":"Feature","properties":{"resourceCoords":[90.0,1726.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2902172,37.8303261]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0328/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p328","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.44"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0328/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0328","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.7,1873.0 1050.9,1903.8 449.8,1879.8 137.8,1790.0 146.7,1576.4 68.5,1457.0 44.8,1122.2 111.2,82.9 207.3,36.0 741.1,85.3 1334.4,293.4 1405.7,45.6 1397.8,22.8 1481.3,24.1 1480.0,86.4 1477.4,308.8 1470.9,662.0 1463.3,956.6 1441.7,990.4 1238.8,1001.9 1258.5,1026.8 1250.2,1055.0 1450.6,1057.5 1485.0,1770.2 1517.0,1771.3 1487.7,1873.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0328/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29378108782707,37.830115191942745]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2901337623654,37.83095041962342]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28885706376325,37.82742307698506]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29250438922492,37.82658784930439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0329/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p329","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0329/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0329","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"175.5,312.3 171.6,92.2 1570.8,69.5 1601.4,1186.7 1570.2,1240.2 1186.4,1905.3 1060.8,1898.6 508.3,1909.9 197.6,1914.8 194.8,1634.1 180.0,755.6 175.9,342.3 175.5,312.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0329/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1565.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27735000992949,37.83360261706568]}},{"type":"Feature","properties":{"resourceCoords":[140.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28056242245576,37.83299610374542]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330__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 | 1911 | sanborn00727_007 p330 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5975.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"628.7,1831.0 803.3,1470.1 735.0,1435.9 909.8,1084.4 978.5,1117.5 1068.5,922.3 1146.7,752.8 1126.5,742.4 1295.8,304.3 1250.2,296.7 1268.6,174.3 910.0,125.5 930.8,85.3 1.0,152.5 1.0,370.8 54.4,371.2 58.2,1515.0 25.0,1569.0 88.2,1566.0 487.2,1761.6 543.8,1789.3 628.7,1831.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[588.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2766491,37.8354885]}},{"type":"Feature","properties":{"resourceCoords":[25.0,1569.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2773506,37.8336455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330__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 | 1911 | sanborn00727_007 p330 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2380.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4031.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"743.6,1771.5 789.5,1770.5 1054.6,1860.2 1271.7,1933.3 1371.5,1935.3 1486.2,1596.8 1498.8,1600.8 1560.7,1201.7 1538.3,1194.1 1122.9,1051.8 1061.3,1062.6 743.6,1771.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0330__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1073.1,1063.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27732358945042,37.833647611905036]}},{"type":"Feature","properties":{"resourceCoords":[1377.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27635696649504,37.83208610373913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0331/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p331","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0331/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0331","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"214.4,1782.8 217.4,1391.7 293.4,1391.2 284.8,991.2 262.1,990.8 222.3,524.5 1037.0,281.8 1092.0,252.3 1346.8,157.8 1452.1,593.6 1379.3,593.1 1334.7,992.8 1300.8,992.6 1434.4,1354.2 1432.2,1788.9 589.2,1788.5 290.5,1783.5 214.4,1782.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0331/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27333116963486,37.836565981431335]}},{"type":"Feature","properties":{"resourceCoords":[1443.0,1384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27295804897156,37.8344748187555]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0332/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p332","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0332/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0332","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"187.1,1469.0 55.0,1109.6 88.8,1109.8 133.8,712.9 206.2,713.6 102.5,280.5 352.4,188.3 797.6,20.3 842.0,20.5 985.1,21.2 1488.0,681.9 1488.0,723.0 1485.7,1118.6 1486.4,1515.1 1484.0,1907.7 1421.4,1906.5 508.3,1904.5 184.1,1900.8 187.1,1469.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0332/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[187.0,1507.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.272981,37.8344629]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2697148,37.8354019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0333/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p333","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0333/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0333","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1211.0,1746.0 70.0,1734.9 73.7,1345.9 74.4,953.0 78.0,561.0 882.5,569.7 1218.3,572.0 1218.0,602.1 1615.2,585.7 1615.4,1359.5 1616.0,1494.6 1616.0,1708.6 1211.2,1689.3 1211.0,1746.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0333/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1211.0,1746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2676616,37.8328898]}},{"type":"Feature","properties":{"resourceCoords":[78.0,561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2697148,37.8354019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0334/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p334","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0334/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0334","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"29.6,228.0 56.8,305.1 1022.2,134.8 1030.1,161.8 1260.3,165.5 1460.3,96.0 1459.2,131.3 1453.5,340.1 1482.8,341.4 1526.4,1270.6 1560.4,1260.8 1529.2,1703.4 1458.9,1724.5 1429.6,1734.0 1327.4,1762.2 1150.4,1759.3 15.9,1693.0 18.1,1337.6 29.6,228.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0334/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1171.0,561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26368889936927,37.8344443226773]}},{"type":"Feature","properties":{"resourceCoords":[1462.0,561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26303930113058,37.83435148434552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0335/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p335","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0335/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0335","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"255.2,1753.7 253.9,1546.1 253.8,1346.8 253.1,1189.3 268.5,1161.7 268.1,1080.9 254.1,1056.0 249.5,502.1 234.8,322.3 308.4,353.1 654.0,354.8 1010.8,313.1 1073.5,308.7 1497.3,309.9 1499.9,619.5 1500.0,1054.0 1505.0,1421.7 1501.2,1719.4 1508.2,1756.3 1243.6,1752.5 877.4,1752.2 303.1,1754.1 255.2,1753.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0335/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1500.0,666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2596684,37.8361872]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,1054.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2598551,37.8355035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0336/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p336","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0336/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0336","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"10.6,70.8 77.5,978.2 110.5,967.8 91.7,1401.3 23.5,1423.8 1.0,1431.7 1.0,1705.2 935.3,1549.0 1525.6,1364.0 1580.0,1347.0 1570.2,1298.0 1478.0,966.5 1411.6,748.6 1350.0,569.3 1340.0,535.3 1215.0,81.0 954.6,75.6 594.1,72.8 29.0,71.0 10.6,70.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0336/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1215.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2601747,37.8342628]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2599462,37.8318562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0337/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p337","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0337/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0337","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1125.6,1847.1 1088.6,1854.1 789.5,1850.1 420.2,1854.9 418.0,1338.0 421.7,1115.7 421.3,1052.1 418.0,583.0 482.9,205.6 515.0,19.6 1298.7,160.1 1308.5,220.9 1461.2,1189.9 1473.8,1239.5 1616.0,1684.1 1588.5,1716.8 1125.6,1847.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0337/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[418.0,583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.257028,37.8350275]}},{"type":"Feature","properties":{"resourceCoords":[418.0,1338.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2587055,37.8353124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0338/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p338","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0338/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0338","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1032.9,1763.2 981.9,1765.6 633.1,1808.1 403.0,1841.8 212.6,1876.6 137.7,1391.9 133.0,1341.0 132.8,359.5 132.6,302.3 1317.5,130.0 1353.0,452.9 1401.0,902.0 1453.2,1359.3 1506.5,1845.0 1033.9,1769.8 1032.9,1763.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0338/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1401.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2580397,37.8311108]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2588749,37.8334258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0339/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p339","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0339/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0339","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"786.0,1903.3 143.1,873.0 147.2,871.1 82.7,65.6 161.1,58.8 520.3,53.7 917.2,53.3 1531.7,48.9 1536.8,483.4 1538.5,630.2 1548.8,1508.5 1550.1,1609.5 1496.2,1516.5 1497.6,1649.8 859.9,1862.4 859.4,1861.0 786.0,1903.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0339/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[930.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25590146290959,37.83120742919947]}},{"type":"Feature","properties":{"resourceCoords":[1545.0,241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25307936069484,37.83319873011186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0340/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p340","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0340/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0340","type":"ImageService3","width":1593,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"461.6,1918.3 461.6,1920.3 425.6,1892.2 275.3,1911.3 61.4,1402.2 61.9,1236.1 62.2,1092.5 63.9,235.5 64.2,99.2 1076.7,78.5 1076.3,49.1 1486.9,79.5 1491.3,70.0 1592.0,68.0 1592.0,95.6 1592.0,117.7 1589.0,117.5 1516.2,92.8 1316.0,639.0 1311.8,673.4 1434.1,1695.4 1409.3,1763.9 1397.2,1797.3 1247.7,1745.3 1145.9,1724.4 853.5,1702.4 727.0,1706.9 684.0,1722.8 504.6,1859.1 461.7,1909.3 461.6,1918.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0340/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[941.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25211069385539,37.83119284734574]}},{"type":"Feature","properties":{"resourceCoords":[48.0,1936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25523590135624,37.829833720741284]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0341__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 | 1911 | sanborn00727_007 p341 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6468.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0341__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0341","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.7,1827.0 333.1,1863.2 428.7,1873.7 607.4,1879.0 607.4,1830.8 649.1,1831.0 722.1,1854.2 1553.7,1842.7 1601.0,1844.0 1616.0,1845.1 1616.0,1696.2 1562.2,272.8 1449.3,218.4 1321.4,387.3 1184.5,423.9 228.8,393.4 88.0,477.9 50.7,1434.2 120.6,1819.0 153.7,1827.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0341__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":[-122.24680335061035,37.83464167195146]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2442902950028,37.83251417908848]}},{"type":"Feature","properties":{"resourceCoords":[1617.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24751426632052,37.83010492458539]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.25002732192807,37.832232417448374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0342/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p342","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0342/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0342","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.2,1023.0 52.5,440.1 129.5,438.4 115.4,390.6 21.3,427.1 55.3,57.0 47.6,12.3 67.0,9.0 67.3,5.8 77.4,2.4 255.4,41.2 350.4,53.1 528.1,61.1 528.6,13.1 570.0,14.1 642.5,38.3 1469.7,39.8 1516.8,41.8 1537.2,43.6 1582.5,1599.8 1578.5,1908.4 1515.3,1906.9 1515.3,1875.0 1031.7,1881.3 1031.7,1884.5 524.3,1871.6 524.4,1925.2 498.1,1925.5 59.0,1056.9 51.2,1023.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0342/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[525.0,1066.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2506305,37.8302632]}},{"type":"Feature","properties":{"resourceCoords":[1516.0,1066.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2490564,37.8289718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0343/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p343","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0343/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0343","type":"ImageService3","width":1617,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.8,1253.2 245.9,1222.8 245.3,865.1 258.5,864.8 188.2,466.9 226.8,466.9 320.4,467.0 318.8,70.5 615.3,75.2 1452.0,75.0 1450.7,942.4 1452.9,1595.3 1450.8,1799.6 696.2,1797.7 618.4,1809.1 564.2,1832.7 355.6,1829.0 244.0,1827.0 245.7,1458.9 146.3,1253.2 150.8,1253.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0343/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[244.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2766552,37.831083]}},{"type":"Feature","properties":{"resourceCoords":[1452.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2731606,37.8337655]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0344/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p344","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0344/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0344","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.1,1587.8 121.7,933.6 132.2,64.7 456.7,70.9 1370.8,79.9 1433.5,81.6 1424.6,1034.8 1420.0,1382.0 1419.7,1644.3 1415.0,1807.5 1413.7,1867.8 949.2,1862.5 950.5,1801.8 112.9,1792.4 117.1,1587.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0344/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1436.0,1376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27078446136004,37.83100469483699]}},{"type":"Feature","properties":{"resourceCoords":[122.0,469.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27335385592704,37.83305151035963]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0345/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p345","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0345/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0345","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1296.5,1902.9 1245.5,1905.9 1245.3,1875.2 96.2,1896.5 96.4,1853.0 98.2,1690.4 94.0,1429.0 92.5,1083.0 84.8,133.3 1233.5,129.2 1233.0,72.2 1539.0,82.7 1536.2,916.0 1542.4,915.9 1545.1,1849.4 1445.8,1850.4 1445.5,1903.8 1296.5,1902.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0345/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1236.0,526.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2678394,37.8321848]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2708228,37.8309995]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0346/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p346","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0346/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0346","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.1,1877.3 447.2,1878.3 720.6,1875.7 873.1,1869.3 1460.7,1862.9 1529.9,1864.3 1530.1,1807.8 1528.6,1150.5 1530.5,645.4 1545.3,611.4 1546.5,415.9 1530.9,373.1 1555.8,368.9 1555.3,98.9 1550.5,100.7 1452.5,130.8 1281.4,132.9 83.2,97.1 84.3,911.5 90.3,911.4 97.1,1823.6 1.0,1825.0 1.0,1877.2 58.1,1877.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0346/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1530.0,510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2638304,37.8315591]}},{"type":"Feature","properties":{"resourceCoords":[1530.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2644717,37.8291536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0347/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p347","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0347/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0347","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.1,1198.6 32.8,692.0 47.4,657.9 47.8,461.9 31.9,418.9 982.6,254.1 1566.5,67.2 1614.0,52.0 1613.4,516.4 1613.8,573.2 1614.0,1836.2 1581.0,1836.7 37.5,1857.7 33.1,1198.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0347/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[81.0,1438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2641516294649,37.82994638395002]}},{"type":"Feature","properties":{"resourceCoords":[80.0,457.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26367082957385,37.83171965468267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0348/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p348","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0348/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0348","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.3,1803.0 89.7,1803.1 88.6,1803.1 101.3,535.4 101.4,516.0 101.5,458.0 569.0,335.9 1009.0,218.9 1441.5,107.2 1443.3,144.2 1440.7,769.5 1436.3,1086.9 1436.8,1457.2 1433.8,1826.4 1436.4,1889.8 1304.7,1863.2 1202.0,1859.1 1009.1,1859.9 901.4,1859.5 91.6,1864.1 92.3,1803.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0348/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1009.0,1373.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2585712,37.8290599]}},{"type":"Feature","properties":{"resourceCoords":[1009.0,1830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2587817,37.8282478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0349/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p349","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0349/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0349","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"630.1,1930.0 571.4,1930.0 364.5,1930.0 363.0,1930.0 322.0,1904.9 58.3,1758.2 71.3,1696.1 165.3,1338.6 256.2,979.1 338.7,672.1 495.5,66.0 502.9,29.6 907.2,26.9 907.0,28.3 1551.0,155.0 1614.0,41.1 1614.0,147.8 1593.2,185.7 1512.6,331.1 1455.0,880.8 1596.0,936.4 1614.0,978.5 1217.0,1678.0 1194.8,1718.7 922.8,1565.9 757.8,1701.2 750.3,1714.6 630.1,1930.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0349/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[819.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2562528,37.8305375]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1426.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2567706,37.8286286]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0350/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p350","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0350/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0350","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.8,292.9 822.8,21.4 835.6,21.7 891.2,42.1 1082.2,163.5 1112.2,198.5 1160.5,316.1 1241.9,599.2 1257.8,702.4 1261.0,861.3 1296.6,861.0 1476.0,859.8 1466.0,1368.3 1469.2,1368.2 1478.3,1852.9 1446.4,1853.0 1445.3,1916.3 334.3,1908.2 306.6,1908.0 318.9,1855.4 219.6,1855.0 222.3,1645.6 218.2,1409.8 221.8,924.8 217.3,867.5 14.2,309.2 57.8,292.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0350/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[219.0,1367.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2532426,37.8270259]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2507619,37.827677]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0351/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p351","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0351/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0351","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.3,1911.2 48.3,1667.0 65.6,1273.2 75.8,1273.2 75.3,1042.3 81.3,528.4 141.3,529.2 140.9,36.2 454.9,37.3 1013.1,36.5 1139.8,45.8 1185.5,50.4 1437.5,171.3 1640.0,268.1 1640.0,295.7 1640.0,496.1 1478.7,826.2 1525.7,849.9 1263.3,1058.5 1309.5,1056.0 1297.2,1440.0 1527.2,1428.8 721.3,1889.1 614.7,1888.5 607.0,1904.3 100.3,1911.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0351/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[126.0,1756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27912381146214,37.82883670212255]}},{"type":"Feature","properties":{"resourceCoords":[126.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28010591915218,37.831827346162754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0352/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p352","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0352/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0352","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.8,1565.8 129.6,1770.4 383.9,1864.1 1456.5,1870.7 1522.2,1844.9 1523.4,1124.0 1520.6,703.2 1521.3,211.6 767.3,210.2 689.6,221.7 635.5,245.3 427.1,241.8 368.2,240.8 222.7,543.0 263.2,520.6 419.6,872.1 621.9,761.7 96.3,1527.8 1.0,1573.2 1.0,1590.7 50.8,1565.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0352/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1502.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2744009806077,37.82902773846547]}},{"type":"Feature","properties":{"resourceCoords":[308.0,246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27667503002294,37.83107482972546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0353/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p353","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0353/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0353","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.4,1134.0 205.8,712.0 203.0,218.8 1040.9,213.2 1040.7,273.8 1505.3,270.7 1517.1,1744.8 1599.2,1744.1 1396.7,1824.3 346.9,1804.5 215.2,1857.1 211.4,1134.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0353/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1516.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27119641191354,37.829452930996915]}},{"type":"Feature","properties":{"resourceCoords":[204.0,1171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2743700423161,37.829023145575505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0354/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p354","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0354/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0354","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.8,1729.9 182.2,259.8 182.4,243.1 1333.0,230.7 1333.0,261.4 1331.8,1725.0 771.8,1675.2 343.4,1699.2 263.7,1729.9 181.8,1729.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0354/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[182.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2712186,37.8294362]}},{"type":"Feature","properties":{"resourceCoords":[1333.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2684434,37.8297831]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0355/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p355","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0355/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0355","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"161.1,1840.7 67.0,1815.8 49.0,1646.6 49.2,1599.4 51.3,1097.8 53.1,145.8 53.5,89.4 1588.3,78.5 1624.7,78.2 1624.2,137.8 1626.7,443.5 1625.8,702.3 1620.4,1165.9 1244.2,1192.2 1267.5,1504.8 1287.4,1807.2 1288.1,1888.7 161.1,1840.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0355/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[815.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26324671873387,37.826854389381815]}},{"type":"Feature","properties":{"resourceCoords":[72.0,501.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26461275313198,37.828448558993536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0356/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p356","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0356/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0356","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1239.5,62.0 1346.7,62.5 1344.0,369.7 1440.2,1050.8 1529.8,1046.2 1523.4,1091.6 1312.4,1894.3 1307.0,1923.4 1281.8,1907.5 81.5,1850.4 81.2,1767.3 62.5,1458.6 40.3,1139.4 424.3,1114.5 432.1,641.5 434.4,377.3 433.3,65.4 1239.5,62.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0356/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[426.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26135136736788,37.82668344576599]}},{"type":"Feature","properties":{"resourceCoords":[62.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26217420495698,37.826815531826924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0357/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p357","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0357/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0357","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.0,283.8 826.5,22.1 858.0,22.0 858.5,10.7 880.3,3.0 915.9,8.5 916.0,10.0 925.6,10.0 947.3,13.4 1047.0,134.2 1228.0,374.1 1250.8,420.6 1455.8,347.4 1459.3,346.1 1457.8,403.0 1495.2,389.6 1565.7,1034.7 1558.5,1037.2 1503.9,1415.3 1518.4,1415.4 1506.8,1905.2 1417.0,1905.0 1416.1,1936.5 495.1,1920.5 448.6,1897.9 395.5,1898.3 161.8,1846.3 97.6,1784.0 94.5,1573.1 194.6,849.2 73.4,502.9 65.8,295.8 93.0,283.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0357/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1336.0,1115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25634543654063,37.825424063623366]}},{"type":"Feature","properties":{"resourceCoords":[1251.0,441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2575605513834,37.82619177080037]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0358/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p358","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0358/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0358","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"302.9,215.2 1.0,332.1 1.0,389.1 37.1,375.1 125.5,1020.2 118.3,1023.0 73.9,1403.7 88.4,1403.4 90.2,1895.1 1.0,1897.2 1.0,1924.9 41.0,1920.0 46.0,1925.0 67.6,1928.3 1211.4,1917.1 1596.2,1913.3 1597.0,1893.0 1600.7,1892.7 1607.6,1860.4 1508.2,1861.7 1507.4,1652.0 1499.2,1416.1 1494.5,930.4 1489.0,873.2 1276.1,317.7 1165.0,24.7 1046.0,24.0 950.5,22.6 936.2,28.0 704.7,116.6 585.6,16.9 559.2,16.6 547.4,16.4 583.2,106.7 302.9,215.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0358/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1286.0,325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25522036477192,37.828156691436]}},{"type":"Feature","properties":{"resourceCoords":[596.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25665006423144,37.82754691175755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0359/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1911 | sanborn00727_007 p359","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:19:28Z","modified":"2026-10-17T23:19:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0359/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0359","type":"ImageService3","width":1639,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1528.4,95.8 1531.0,146.5 1528.3,353.6 1522.8,748.9 1522.4,1026.6 1527.2,1181.7 1527.0,1778.8 1524.7,1849.0 554.6,1838.3 43.5,1831.5 118.6,1818.9 46.4,1531.7 82.0,838.5 34.5,561.5 76.7,96.2 1528.4,95.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191103:00727_03_1911-0359/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[645.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26886731152213,37.82815389800362]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26447116956298,37.829150777646824]}}]}}]}