{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00727_011.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, California | 1925 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"111"},{"label":"placed","value":"89"},{"label":"unplaced","value":"22"},{"label":"fit sources","value":"georef 46, georef-snap 43"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"12 sheet(s) cut into 25 panels"},{"label":"unplaced pages","value":"p501 (tier 2, 37.77075,-122.22589 +/-276m); p508 (tier 1, 37.76716,-122.22456 +/-252m); p530__1 (tier 1, 37.78738,-122.19440 +/-213m); p530__2 (tier 1, 37.78651,-122.19488 +/-205m); p534__1 (tier 1, 37.78451,-122.19137 +/-111m); p549__2 (tier 1, 37.77679,-122.20214 +/-100m); p550__2 (tier 1, 37.77364,-122.19741 +/-100m); p563__2 (tier 1, 37.77250,-122.20622 +/-118m); p565__1 (tier 1, 37.76897,-122.20005 +/-100m); p565__3 (tier 1, 37.76953,-122.20074 +/-100m); p571__2 (tier 1, 37.77218,-122.21621 +/-165m); p581__2 (tier 1, 37.76502,-122.20842 +/-100m); p585 (tier 1, 37.76674,-122.20591 +/-221m); p586 (tier 1, 37.76406,-122.20767 +/-256m); p589 (tier 1, 37.76734,-122.21883 +/-264m); p590 (tier 1, 37.76425,-122.21958 +/-260m); p591 (tier 1, 37.76534,-122.21635 +/-260m); p595__1 (tier 3, 37.75951,-122.22189 +/-501m); p595__2 (tier 3, 37.75951,-122.22189 +/-501m); p596 (tier 2, 37.76250,-122.22199 +/-100m); p598__1 (tier 2, 37.78128,-122.18345 +/-100m); p598__2 (tier 2, 37.78128,-122.18345 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0502/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p502","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0502/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0502","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,101.0 1613.3,165.4 1510.0,187.9 1512.1,1202.3 1513.4,1839.5 39.0,1837.5 159.6,1751.5 118.0,1363.1 158.7,1197.7 84.5,1075.3 33.4,569.4 43.2,440.3 149.8,296.6 723.6,125.1 923.8,135.9 999.6,72.3 1431.0,101.6 1612.2,83.0 1613.0,101.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0502/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1125.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.22645136026956,37.7717370389898]}},{"type":"Feature","properties":{"resourceCoords":[878.0,346.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.22839755347336,37.77215111275778]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0503/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p503","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0503/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0503","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"381.5,149.4 1435.0,49.3 1456.5,32.8 1467.5,100.0 1475.7,236.9 1466.8,1423.2 1463.6,1851.3 586.4,1864.6 587.0,1869.1 270.4,1874.8 273.8,1258.7 279.4,252.8 382.0,231.2 382.2,167.3 381.5,149.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0503/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[277.0,1881.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2247661,37.7717581]}},{"type":"Feature","properties":{"resourceCoords":[1456.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2270239,37.7752995]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0504/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p504","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0504/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0504","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1411.0,553.5 1408.2,788.6 1426.7,876.2 1432.4,992.1 1433.3,1367.1 1429.8,1717.1 1428.0,1799.3 1342.7,1820.5 806.4,1820.0 211.7,1822.1 82.8,1827.8 84.5,654.2 75.5,518.9 64.2,452.4 283.3,280.8 644.3,278.6 910.1,204.5 1410.1,233.0 1411.0,553.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0504/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[690.0,333.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.22650689766233,37.77638894614818]}},{"type":"Feature","properties":{"resourceCoords":[1424.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.224536360617,37.777014862084044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0505/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p505","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0505/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0505","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1426.1,1715.8 528.4,1651.0 350.8,1635.7 279.6,1634.4 216.9,1610.3 105.7,1601.3 166.6,1253.5 227.1,879.9 240.4,763.6 236.3,673.3 277.8,439.7 329.3,120.5 338.4,122.6 1316.8,60.9 1468.2,137.0 1513.0,620.5 1500.8,620.5 1501.0,1118.2 1538.3,1118.0 1488.7,1720.2 1426.1,1715.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0505/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[643.0,624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2245076,37.7777988]}},{"type":"Feature","properties":{"resourceCoords":[643.0,1121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2234505,37.7774652]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0506/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p506","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0506/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0506","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.2,1655.5 146.8,1059.2 109.9,1059.1 111.5,566.1 123.7,566.1 81.2,87.0 316.6,41.6 1193.8,92.3 1197.7,91.5 1196.3,531.0 1198.4,1064.5 1473.3,1063.4 1467.0,1760.0 923.7,1717.3 101.2,1656.0 95.2,1655.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0506/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[542.0,1059.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2223614,37.7796442]}},{"type":"Feature","properties":{"resourceCoords":[542.0,67.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2244947,37.7803096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0507/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p507","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0507/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0507","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"403.7,1108.5 127.0,1113.4 117.4,576.5 112.6,134.2 508.1,51.2 1472.9,72.5 1538.7,174.1 1497.7,954.0 1551.8,1437.9 1496.7,1733.7 1561.6,1891.8 1612.0,1918.8 1612.0,1923.0 1428.8,1926.8 1233.6,1860.6 1075.1,1846.9 407.1,1809.6 403.7,1108.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0507/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2228997,37.781098]}},{"type":"Feature","properties":{"resourceCoords":[1472.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2206554,37.7830266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0509/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p509","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0509/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0509","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.7,1709.0 1481.5,1793.0 1331.9,1767.2 945.4,1911.5 571.6,1914.0 154.1,1799.8 155.1,1683.1 64.5,1555.8 67.8,57.8 1588.3,56.0 1595.2,1513.5 1570.7,1527.5 1595.7,1709.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0509/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[548.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2238303,37.7713111]}},{"type":"Feature","properties":{"resourceCoords":[58.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2247661,37.7717581]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0510/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p510","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0510/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0510","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1456.4,1338.8 1095.9,1647.2 1053.3,1825.2 1025.7,1933.7 1023.0,1933.7 1016.0,1933.7 1027.6,1887.5 994.1,1833.6 189.2,1681.4 96.8,1751.2 68.3,1563.4 93.5,1548.6 66.0,57.6 1495.0,70.8 1418.7,370.9 1476.0,370.3 1454.7,519.0 1452.8,1295.5 1484.6,1346.5 1456.4,1338.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0510/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1256.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.22069257739494,37.76799222794933]}},{"type":"Feature","properties":{"resourceCoords":[1091.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.22199585086345,37.766869921281355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0511/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p511","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0511/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0511","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.7,279.7 1433.6,753.6 1425.7,1696.7 856.0,1694.0 855.4,1751.8 234.7,1730.4 242.4,267.8 559.1,262.1 558.5,257.5 1436.0,244.1 1435.7,279.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0511/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.0,1694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.221268,37.7713877]}},{"type":"Feature","properties":{"resourceCoords":[249.0,274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2247661,37.7717581]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0512/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p512","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0512/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0512","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.5,981.4 69.5,519.4 67.9,67.2 194.8,60.9 780.9,55.9 1309.5,53.9 1393.5,32.6 1390.5,162.7 1398.0,454.0 1402.8,1421.2 1402.6,1830.2 1399.3,1907.5 1311.5,1883.3 654.4,1895.9 74.7,1900.6 72.5,981.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0512/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,1435.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.22080628174945,37.773654403974504]}},{"type":"Feature","properties":{"resourceCoords":[1405.0,1892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21898910398518,37.77438230034506]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0513/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p513","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0513/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0513","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"156.5,765.8 150.2,467.2 153.8,333.9 155.6,250.8 266.9,241.6 332.7,255.1 403.2,244.8 581.1,230.9 1478.3,148.6 1521.2,613.4 1523.4,941.0 1524.5,941.0 1557.0,1762.2 1392.7,1761.7 697.4,1761.6 368.6,1756.8 157.1,1757.0 156.5,765.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0513/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1519.0,1294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2192293,37.7773741]}},{"type":"Feature","properties":{"resourceCoords":[134.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2199595,37.7747966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0514/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p514","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0514/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0514","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1452.4,1553.0 1422.3,1580.0 1348.6,1800.7 1191.7,1802.3 830.4,1797.3 217.7,1783.1 47.5,1778.7 33.4,955.3 32.4,955.2 37.6,627.0 5.1,160.3 74.0,155.5 907.0,96.5 1457.6,59.6 1491.5,527.2 1478.3,528.1 1499.5,995.1 1614.9,998.3 1615.0,1017.0 1614.8,1066.2 1566.2,1212.6 1452.4,1553.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0514/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[48.0,971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21986636569731,37.77772134078306]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21802509900614,37.78025672642539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0515/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p515","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0515/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0515","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.8,1205.1 76.3,747.0 89.2,744.5 1.0,287.2 657.2,158.7 814.0,132.9 1019.4,148.8 1195.9,100.0 1222.5,102.8 1502.9,172.9 1553.0,265.2 1579.8,238.5 1562.1,595.8 1570.5,597.3 1539.3,998.6 1508.9,992.5 1468.1,1579.2 1387.8,1578.2 1377.1,1655.8 1231.1,1576.2 1011.3,1573.7 243.0,1411.9 273.9,1261.8 268.3,1213.2 287.9,1192.8 151.8,1205.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0515/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[109.0,738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21908930158962,37.780415081528865]}},{"type":"Feature","properties":{"resourceCoords":[708.0,1508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21684768675125,37.78045412937062]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0516/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p516","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0516/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0516","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"400.8,1752.5 1525.2,1873.6 1532.1,1565.7 1540.5,1567.1 1550.1,1325.9 1556.7,1325.0 1612.4,490.6 1611.9,324.9 1611.6,226.8 1491.5,143.6 446.9,45.4 79.0,73.8 6.3,168.9 37.8,525.4 46.3,525.7 70.5,927.7 39.6,925.8 79.7,1512.7 1.0,1522.7 1.0,1601.6 400.8,1752.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0516/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[893.0,583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21588781197691,37.78372193959539]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21357351783001,37.78364774404388]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0517/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p517","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0517/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0517","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.2,147.8 772.4,135.7 1247.2,220.2 1522.4,136.3 1535.3,142.6 1523.2,272.6 1544.4,274.6 1547.9,1183.9 1571.0,1184.0 1555.9,1807.4 1515.4,1807.2 889.4,1805.0 265.0,1804.2 89.5,1796.6 76.7,1487.6 85.2,1488.5 79.3,1246.3 85.8,1244.8 88.1,405.4 70.3,141.2 81.2,147.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0517/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[841.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2124097,37.7846311]}},{"type":"Feature","properties":{"resourceCoords":[1219.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.211765,37.785087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0518/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p518","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0518/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0518","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"135.4,1189.1 112.2,1189.2 100.8,280.4 79.6,278.6 90.6,148.6 328.4,263.5 1103.1,319.3 1292.4,394.9 1306.9,1731.6 1307.6,1815.3 893.4,1804.8 893.4,1797.3 422.6,1801.1 422.6,1810.7 125.6,1812.2 135.4,1189.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0518/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[840.0,326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21125624492771,37.78752512495501]}},{"type":"Feature","properties":{"resourceCoords":[894.0,1189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20985851671793,37.78641680666863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0519/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p519","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0519/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0519","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.1,1702.3 1053.1,1703.5 1048.8,1640.9 170.4,1802.2 168.0,1776.5 166.0,1756.0 134.2,1432.2 1.3,99.6 41.0,111.5 543.6,44.8 1539.5,32.0 1543.2,78.4 1528.8,620.0 1526.5,620.0 1539.3,1010.3 1530.6,1010.4 1528.8,1352.0 1534.3,1351.9 1524.9,1700.5 1276.1,1702.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0519/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1021.0,1357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20679504707618,37.78722943863971]}},{"type":"Feature","properties":{"resourceCoords":[99.0,1270.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20861216590149,37.78637136707997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0520/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p520","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0520/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0520","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.4,1704.8 66.0,1357.1 60.5,1357.1 66.5,1016.2 75.2,1016.2 67.2,626.7 69.5,626.7 90.5,86.5 87.4,40.1 1323.0,39.3 1511.5,114.0 1444.8,1516.5 1400.8,1518.0 1411.1,1636.9 578.2,1719.9 577.5,1708.8 319.4,1706.3 52.4,1704.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0520/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,1015.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20543907172286,37.788807749803254]}},{"type":"Feature","properties":{"resourceCoords":[1498.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2049780329412,37.79117484275606]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0521/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p521","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0521/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0521","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1433.9,34.1 1531.9,79.2 1548.0,69.2 1543.6,323.4 1541.9,737.2 1529.5,1766.4 1529.3,1846.2 479.4,1711.2 484.5,1842.2 75.7,1867.5 41.9,1488.4 86.2,1486.9 149.7,69.0 1433.9,34.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0521/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1534.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2010579988672,37.79121261180134]}},{"type":"Feature","properties":{"resourceCoords":[134.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20494609332297,37.79113494688247]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0522/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p522","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0522/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0522","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.5,37.3 779.1,32.2 1057.6,71.6 1205.1,216.1 1406.3,179.8 1449.2,1737.7 1395.9,1828.0 1025.3,1831.1 1025.2,1833.6 559.6,1836.3 559.6,1841.7 71.3,1859.9 70.8,1761.0 73.6,748.1 71.6,340.9 73.6,90.8 159.5,37.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0522/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[562.0,1069.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2001449,37.7917461]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1069.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2010527,37.7912197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0523/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p523","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0523/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0523","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1200.9,1781.7 971.2,1779.0 969.6,1834.6 117.1,1820.2 117.3,1791.3 115.0,1336.0 114.3,1041.9 113.5,213.7 113.7,139.0 1004.4,64.1 1002.6,126.9 1224.8,147.5 1539.8,176.2 1505.7,568.8 1488.8,567.2 1459.4,1343.4 1501.3,1344.8 1496.2,1791.8 1200.9,1781.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0523/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[492.0,1793.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2045977,37.7839045]}},{"type":"Feature","properties":{"resourceCoords":[115.0,1336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2059352,37.7840649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0524/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p524","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0524/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0524","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"547.1,1801.0 320.1,1801.2 98.7,1801.2 88.2,1354.2 46.3,1354.2 48.9,577.2 65.8,578.1 86.3,184.5 286.8,195.8 545.2,211.5 545.4,222.6 1384.3,182.0 1393.5,439.8 1382.0,812.0 1350.3,811.7 1226.5,810.5 1222.8,868.9 1597.5,1252.2 1596.8,1341.6 1414.2,1342.7 1358.0,1794.5 1251.0,1794.9 547.1,1801.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0524/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1382.0,812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2020905,37.7879691]}},{"type":"Feature","properties":{"resourceCoords":[547.0,1350.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2027662,37.7862586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0525/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p525","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0525/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0525","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"343.2,1571.1 344.7,1588.5 516.0,1566.4 523.2,1641.7 907.5,1865.7 1562.0,1889.4 1565.0,765.2 1561.0,765.2 1560.0,434.0 1558.2,210.4 532.7,89.5 539.0,217.2 140.4,246.2 152.6,611.9 1.0,620.1 1.0,678.6 391.7,1030.0 396.6,1117.8 217.7,1130.3 191.0,1577.0 244.8,1573.4 343.2,1571.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0525/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[581.0,808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2010185,37.7881429]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,434.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1996963,37.7897581]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0526/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p526","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0526/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0526","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.3,664.9 65.9,328.1 66.3,121.2 558.7,107.4 558.8,101.9 1028.2,103.5 1028.2,101.0 1401.8,101.2 1301.3,268.0 1427.1,436.7 1436.0,1647.3 1306.2,1746.2 1125.3,1713.5 979.0,1846.8 587.3,1796.5 361.3,1853.3 52.6,1787.2 67.3,664.9 63.3,664.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0526/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[532.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.198392349758,37.78978514739523]}},{"type":"Feature","properties":{"resourceCoords":[532.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19679317979363,37.78809543244884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0527/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p527","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0527/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0527","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"187.3,807.0 160.7,688.5 172.5,196.8 174.2,96.3 1023.2,116.4 1025.2,61.1 1254.0,65.2 1514.5,75.9 1521.0,973.0 1453.7,962.0 1417.5,1778.2 1375.7,1774.7 1374.8,1835.0 971.9,1865.5 972.0,1862.0 574.5,1837.7 574.8,1820.3 176.2,1850.8 185.6,1367.2 193.0,844.7 187.3,807.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0527/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[530.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20462609626392,37.783881071013205]}},{"type":"Feature","properties":{"resourceCoords":[582.0,817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20339121572492,37.78294634169038]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0528/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p528","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0528/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0528","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"392.4,1839.1 245.2,1830.4 5.6,1816.2 22.9,987.1 91.5,996.6 63.7,86.5 321.5,91.0 551.0,95.0 1262.3,101.7 1425.9,104.1 1526.9,104.8 1530.2,1193.3 1517.5,1191.7 1535.6,1863.1 1530.1,1862.9 1349.0,1850.0 878.3,1846.5 795.9,1853.0 422.4,1840.9 392.4,1839.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0528/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[834.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1990275,37.7835972]}},{"type":"Feature","properties":{"resourceCoords":[551.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.202106,37.7856343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0529/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p529","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0529/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0529","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.7,17.8 297.1,17.1 294.9,94.3 656.0,369.9 1316.2,476.9 1318.9,456.1 1597.2,549.8 1597.2,560.2 1544.7,567.3 1547.1,1735.2 1502.9,1858.6 1540.5,1896.4 1546.5,1921.8 1503.1,1926.5 1479.6,1926.5 1400.5,1902.9 428.2,1927.3 420.1,1799.0 341.5,1769.4 220.1,1753.0 56.6,1739.8 66.8,1072.8 79.3,1075.0 120.7,17.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0529/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.0,1221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1972739,37.7860809]}},{"type":"Feature","properties":{"resourceCoords":[978.0,431.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1983277,37.7872472]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0531/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p531","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0531/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0531","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1158.6,38.8 1159.3,98.3 762.6,139.2 762.6,135.9 369.9,122.5 369.7,105.4 1.0,143.7 1.0,1882.3 393.7,1886.2 393.6,1876.7 784.2,1879.2 784.2,1875.2 1179.9,1887.9 1180.4,1929.0 1193.3,1929.0 1591.6,1839.3 1579.2,62.1 1576.0,62.0 1432.8,54.1 1158.6,38.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0531/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[387.0,1416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1998421,37.7797872]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1997975,37.7830957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0532/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p532","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0532/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0532","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1175.3,1897.0 448.1,1869.3 9.7,1865.2 22.5,92.2 48.6,94.0 412.1,109.5 492.4,104.1 950.6,112.3 1126.8,126.7 1292.7,134.7 1412.2,147.0 1490.2,173.5 1526.5,557.7 1553.8,636.1 1556.5,1663.9 1562.5,1664.8 1553.8,1911.5 1175.3,1897.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0532/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[986.0,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1958618,37.7822539]}},{"type":"Feature","properties":{"resourceCoords":[448.0,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1967966,37.7816004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0533/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p533","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0533/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0533","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1694.4 1.0,1790.5 361.9,1869.2 422.9,1832.5 474.9,1763.6 481.6,1729.0 485.7,1708.2 755.9,1767.2 834.4,1806.5 881.3,1861.8 889.6,1891.0 891.1,1906.5 1594.2,1589.6 1594.4,1549.7 1594.8,1487.9 1559.9,1459.8 1563.2,329.0 1501.6,230.3 1255.8,152.5 1134.7,30.8 1140.7,56.0 1080.2,62.5 995.3,37.0 27.5,59.4 45.2,322.6 70.9,403.1 45.7,1445.9 51.8,1446.9 36.3,1696.9 1.0,1694.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0533/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.19704140318198,37.78465682284056]}},{"type":"Feature","properties":{"resourceCoords":[1622.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.19435004633533,37.786669864851376]}},{"type":"Feature","properties":{"resourceCoords":[1622.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.19131087361951,37.784095970481886]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.19400223046617,37.78208292847107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0534__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 | 1925 | sanborn00727_011 p534 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"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":"6488.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0534__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0534","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.8,59.1 74.2,228.7 43.4,331.0 44.3,426.2 66.2,529.2 59.3,655.3 58.3,658.6 579.9,1465.0 555.9,1457.5 649.6,1549.0 682.9,1592.4 728.5,1757.6 741.4,1714.7 844.0,1873.2 761.8,1930.0 790.0,1930.0 826.1,1930.0 880.4,1895.5 1534.3,1855.5 1536.9,90.5 1011.0,63.0 1003.9,46.5 988.0,18.1 941.1,104.3 164.1,55.9 162.8,59.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0534__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[63.0,332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19207101712449,37.78291380003167]}},{"type":"Feature","properties":{"resourceCoords":[1515.0,1875.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.18769456702331,37.78448610923976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0535/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p535","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0535/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0535","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"720.0,1903.2 632.9,1903.5 513.5,1919.9 380.6,1918.7 240.4,1897.4 175.3,1888.1 62.0,1887.0 65.5,1071.3 72.1,914.0 96.4,750.0 153.8,524.8 153.6,442.6 172.4,441.8 144.3,354.5 173.2,333.8 195.6,333.8 197.8,125.7 594.4,139.3 594.6,129.7 986.9,141.8 986.9,137.8 1384.1,160.3 1382.2,302.6 1381.8,338.0 1440.1,336.9 1486.7,1536.1 1429.9,1533.2 1350.8,1503.9 1405.0,1591.9 1434.6,1753.9 1438.7,1871.3 862.5,1884.0 802.2,1929.0 757.0,1912.6 720.0,1903.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0535/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[590.0,334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1988241,37.7788709]}},{"type":"Feature","properties":{"resourceCoords":[62.0,1887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1973239,37.7761177]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0536/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p536","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0536/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0536","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.4,1911.7 404.8,1876.2 627.6,1878.0 864.9,1916.3 1051.2,1920.5 1404.5,1877.8 1502.9,1880.8 1527.8,1886.0 1527.5,1517.8 1532.8,1518.2 1536.8,332.7 1547.6,332.7 1554.2,184.8 1463.5,161.0 1463.5,142.5 1598.8,148.8 864.7,114.7 422.2,106.9 422.1,113.8 17.3,195.4 4.2,195.2 3.1,296.8 2.7,332.4 61.4,331.3 110.7,1538.1 53.5,1535.2 1.0,1516.0 1.0,1549.9 28.6,1594.4 58.7,1757.4 64.4,1911.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0536/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[859.0,331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19599860248151,37.780876742531376]}},{"type":"Feature","properties":{"resourceCoords":[-43.0,331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1975394133519,37.77978161792482]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0537/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p537","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0537/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0537","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.1,96.3 84.1,244.8 73.2,244.8 66.2,1435.5 60.9,1435.2 60.2,1804.9 121.8,1817.8 189.9,1839.1 193.9,1923.8 228.3,1888.5 789.7,1899.8 789.8,1886.5 1201.9,1890.1 1202.1,1888.7 1199.2,1800.5 1158.9,1456.8 1203.2,1451.3 1302.3,1439.0 1402.7,1435.5 1509.2,1445.3 1553.8,1458.5 1554.2,1413.2 1590.2,943.8 1586.4,894.2 1574.7,838.9 1519.9,726.2 1451.3,647.5 1404.5,565.4 1381.9,461.8 1377.0,272.1 1374.8,253.2 1366.1,224.3 1318.4,170.2 1239.3,132.7 968.6,79.8 958.7,135.5 907.8,205.5 847.5,243.6 484.9,172.9 483.3,77.1 1.0,53.5 1.0,72.4 91.1,96.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0537/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.0,244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19355862400487,37.7826132326281]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,1440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19046368861511,37.781909995137326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0538/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p538","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0538/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0538","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.3,256.6 135.0,298.9 314.6,731.2 334.6,771.5 289.2,779.9 190.4,819.2 103.0,867.5 20.7,923.0 1.0,969.7 1.0,973.5 174.5,1234.4 216.7,1311.2 231.4,1354.0 243.8,1398.3 247.1,1522.0 220.7,1644.5 281.1,1652.1 439.9,1654.4 566.8,1689.0 618.7,1696.8 633.6,1624.1 1078.0,1574.8 1057.1,1718.7 1522.5,1154.5 1517.6,1056.8 1514.8,786.3 1589.0,749.4 1527.5,728.8 1538.3,323.4 1539.3,288.4 1503.8,341.1 1502.7,242.5 1316.5,239.0 1344.5,273.2 1184.2,219.4 1130.5,222.7 1003.9,249.0 1023.2,233.4 76.1,215.5 109.3,256.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0538/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,1098.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.18980319723387,37.78139093974678]}},{"type":"Feature","properties":{"resourceCoords":[1063.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.18885788547263,37.7822414284912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0539/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p539","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0539/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0539","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.0,1901.0 218.8,1906.7 745.8,1927.2 1494.9,1923.6 1502.5,1215.0 1507.8,853.8 1510.0,511.9 1521.8,91.5 1520.7,55.8 946.0,65.2 870.4,120.9 840.5,93.1 803.8,83.5 716.9,83.3 597.6,99.0 465.2,97.1 327.3,75.4 325.4,75.0 260.6,65.3 147.6,63.7 143.4,63.7 1.0,1867.2 1.0,1900.3 71.0,1901.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0539/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[497.0,443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1961327,37.7760362]}},{"type":"Feature","properties":{"resourceCoords":[71.0,1901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1945828,37.7735371]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0540/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p540","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0540/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0540","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"370.2,17.7 593.0,19.9 830.1,58.7 1016.2,63.2 1369.6,21.2 1468.0,24.4 1554.1,42.4 1595.0,55.1 1595.0,127.9 1595.0,179.7 1393.7,386.5 1337.0,476.4 1245.4,779.1 1208.7,879.9 1223.8,912.0 1262.1,922.1 1388.0,923.0 1382.1,1900.4 1382.2,1925.7 1133.0,1929.0 603.0,1929.0 523.0,1926.9 13.2,1913.4 16.8,1185.9 20.1,821.4 20.3,476.6 29.8,52.5 370.2,17.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0540/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[526.0,1291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1921743,37.776712]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,923.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1912706,37.7782573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0541/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p541","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0541/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0541","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1005.7,1243.4 1002.4,1528.1 1001.5,1907.4 594.6,1900.4 176.0,1890.0 176.0,1854.5 182.4,877.3 56.5,876.4 18.2,866.2 3.1,834.1 39.9,733.4 131.7,430.8 188.4,340.9 455.0,67.3 1013.7,78.5 1013.8,65.3 1423.8,68.8 1417.7,112.3 1408.7,157.4 1355.5,269.3 1276.4,366.6 1157.0,436.0 1073.1,460.0 1010.5,464.9 1006.8,832.9 1006.0,1212.5 1005.7,1243.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0541/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1007.0,879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1898619,37.7792594]}},{"type":"Feature","properties":{"resourceCoords":[176.0,1890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1897209,37.7768846]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0542/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p542","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0542/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0542","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.9,1573.2 90.4,1572.9 106.3,1731.2 1.0,1732.2 1.0,1827.6 1417.5,1863.8 1417.5,1878.7 1487.5,1875.3 1537.2,1756.2 1525.6,1377.2 1469.3,1317.1 1392.3,720.4 1466.7,457.6 1405.0,33.9 1405.5,21.2 553.6,17.6 554.7,129.4 179.0,131.3 172.9,603.7 176.2,1203.0 103.2,1201.5 81.9,1573.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0542/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[934.0,1206.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1880063,37.7743808]}},{"type":"Feature","properties":{"resourceCoords":[172.0,639.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1881963,37.7760949]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543__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 | 1925 | sanborn00727_011 p543 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"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":"3461.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"671.1,1899.9 670.0,1804.8 776.0,1802.6 758.4,1645.0 749.9,1645.3 767.0,1274.6 839.8,1275.2 829.8,677.8 830.5,234.2 457.9,148.3 456.8,86.1 327.5,87.0 226.2,71.1 136.6,23.5 67.5,102.7 68.2,509.6 65.8,928.2 55.7,928.4 63.6,1177.3 73.4,1707.0 72.8,1787.0 72.0,1891.3 671.1,1899.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.3,713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1881963,37.7760949]}},{"type":"Feature","properties":{"resourceCoords":[458.1,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1897256,37.775937]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543__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 | 1925 | sanborn00727_011 p543 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3404.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3084.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"918.9,584.0 906.3,584.2 927.3,1337.5 918.9,1868.0 1514.5,1847.7 1536.1,1312.0 1524.5,1312.4 1490.0,188.2 922.6,179.4 918.9,584.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0543__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.9,584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1920906,37.7752487]}},{"type":"Feature","properties":{"resourceCoords":[918.9,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.194321,37.773712]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0544/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p544","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0544/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0544","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.1,1739.8 66.3,1739.4 94.0,1199.6 82.2,1199.8 59.6,66.1 1510.7,104.0 1510.7,118.9 1580.8,115.5 1542.5,207.5 1562.5,1745.4 1508.7,1887.0 1508.7,1834.4 1437.0,1890.1 625.2,1869.6 622.3,1871.6 581.8,1899.4 543.0,1926.1 497.4,1925.5 450.0,1925.0 435.4,1892.2 436.0,1773.3 414.0,1738.2 49.1,1742.3 49.1,1739.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0544/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19246334046016,37.77196418393913]}},{"type":"Feature","properties":{"resourceCoords":[728.0,1193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1914444733938,37.77268152968432]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0545/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p545","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0545/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0545","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.7,1273.7 86.8,937.5 77.2,937.4 77.1,468.4 84.6,468.5 98.5,55.9 338.6,55.5 359.1,55.5 459.0,55.6 1281.8,53.8 1509.7,53.0 1519.9,944.1 1506.1,944.0 1492.6,1424.4 1485.2,1424.3 1521.0,1909.8 1442.9,1910.2 84.0,1897.0 85.7,1273.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0545/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[523.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2082632,37.7849811]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2113778,37.783851]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0546/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p546","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0546/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0546","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.8,1634.7 1588.8,1639.2 1588.7,1649.4 1294.2,1904.8 1237.1,1905.5 884.5,1908.4 469.5,1902.8 105.5,1906.6 66.9,1426.0 74.3,1426.0 84.6,950.1 98.2,950.1 82.2,67.6 146.0,66.9 594.0,61.1 721.7,61.5 1207.7,66.1 1324.3,38.0 1357.5,32.5 1540.7,1229.3 1502.1,1229.6 1585.2,1616.6 1588.8,1634.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0546/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[465.0,1426.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.207811,37.7819776]}},{"type":"Feature","properties":{"resourceCoords":[1445.0,958.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2054925,37.7811972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0547/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p547","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0547/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0547","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1261.5,1867.5 958.0,1822.7 642.5,1779.3 385.6,1747.0 236.6,1724.5 109.7,1718.8 108.9,1705.2 80.2,1304.4 119.2,1309.6 104.7,80.6 108.7,80.5 627.8,153.5 1107.8,223.6 1109.0,200.4 1536.4,266.4 1559.4,280.8 1564.8,286.6 1574.8,288.0 1546.3,1506.8 1516.2,1502.4 1458.9,1898.7 1439.4,1895.1 1310.0,1875.0 1264.8,1885.7 1261.5,1867.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0547/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[983.0,1430.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2044968,37.7795563]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2018336,37.7804844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0548/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p548","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0548/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0548","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.0,1768.4 200.4,1753.2 299.0,1753.7 337.9,1762.0 631.5,1761.4 1348.9,1763.0 1363.2,1730.0 1562.0,1744.4 1556.0,1111.5 1529.2,1112.2 1523.0,539.0 1520.2,163.2 1309.6,162.6 1309.7,161.3 843.7,153.3 1.0,138.9 1.0,141.4 6.2,154.7 16.3,154.8 152.9,1366.1 122.5,1366.0 119.3,1766.3 160.0,1768.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0548/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1523.0,539.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2001387,37.7779331]}},{"type":"Feature","properties":{"resourceCoords":[1071.0,1370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2022445,37.7775453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0549__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 | 1925 | sanborn00727_011 p549 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"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":"6488.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0549__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0549","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1115.8,1629.4 1593.0,1021.9 1593.5,886.9 1587.0,145.4 1585.8,101.3 761.8,103.6 602.8,98.0 436.9,74.6 208.9,18.2 126.0,19.0 125.0,1.0 122.0,1.0 88.5,12.1 88.0,20.0 61.8,20.8 55.2,23.0 53.0,29.0 37.0,29.0 16.6,1.0 15.9,1.0 18.4,352.6 24.5,925.0 51.2,924.4 59.4,1828.7 1115.8,1629.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0549__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[399.0,921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2005312,37.7767352]}},{"type":"Feature","properties":{"resourceCoords":[1200.0,921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1993122,37.7756529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0550__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 | 1925 | sanborn00727_011 p550 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"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":"6488.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0550__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0550","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"958.6,1859.8 1009.5,1919.5 1071.2,1865.1 1263.6,1879.6 1407.5,1902.9 1446.3,1909.7 1426.3,1387.1 1407.5,1387.0 1424.2,1154.0 1437.7,1164.4 1593.4,754.2 1198.3,309.6 1081.4,175.7 1007.5,72.2 976.4,56.7 946.0,20.8 913.2,20.7 854.4,72.7 85.6,119.2 47.2,89.6 29.0,1308.5 1.0,1364.3 1.0,1366.9 22.4,1379.5 24.1,1854.9 177.5,1855.7 958.6,1859.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0550__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1181.0,283.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1981360745952,37.77461944930254]}},{"type":"Feature","properties":{"resourceCoords":[508.0,1388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19967858133126,37.77261282920993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0551/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p551","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0551/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0551","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1445.8,1416.3 1431.8,1418.2 1431.8,1366.9 1516.2,1299.8 1500.6,955.1 1517.8,954.6 1524.9,555.1 1593.6,508.2 1594.0,396.6 1584.6,393.0 1518.6,393.6 1522.9,28.2 937.7,38.8 933.0,189.0 932.8,262.8 68.0,200.8 108.0,567.4 1.0,567.0 1.0,663.7 133.4,800.4 150.1,953.6 75.1,953.1 277.6,1345.5 260.7,1348.6 423.9,1517.8 436.6,1503.8 841.2,1840.2 937.7,1764.8 980.9,1819.5 1212.0,1823.1 1492.1,1827.4 1502.3,1417.5 1445.8,1416.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0551/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[933.0,1415.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1966619,37.7720579]}},{"type":"Feature","properties":{"resourceCoords":[933.0,189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1945828,37.7735371]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0552/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p552","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0552/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0552","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14.1,1404.8 70.5,1406.0 60.6,1815.8 516.5,1822.5 516.9,1847.1 1541.5,1874.4 1553.1,1859.8 1545.2,186.2 1551.0,171.0 1551.3,118.3 1479.3,173.7 666.4,149.6 663.5,151.6 622.9,179.3 583.8,205.8 490.8,204.3 476.3,171.4 477.4,52.4 455.6,17.1 90.1,19.6 86.1,382.4 152.1,381.7 161.4,385.4 161.2,496.9 92.5,543.8 85.7,943.2 68.5,943.8 84.3,1288.3 1.0,1354.7 1.0,1406.7 14.1,1404.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0552/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[514.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1951324838571,37.77068825959867]}},{"type":"Feature","properties":{"resourceCoords":[1529.0,1620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19393543020642,37.76907675376604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0553/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p553","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0553/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0553","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1504.3,1754.7 1504.8,1850.2 1056.5,1803.8 1056.2,1776.4 586.0,1778.6 586.0,1794.8 160.4,1779.2 116.6,1923.4 101.8,1923.2 153.2,678.1 152.8,57.5 1509.0,68.8 1507.2,391.9 1509.3,1755.2 1504.3,1754.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0553/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[587.0,1357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2129467,37.7816875]}},{"type":"Feature","properties":{"resourceCoords":[587.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2107185,37.7832568]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0554/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p554","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0554/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0554","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"439.7,1769.3 439.6,1754.3 845.6,1758.4 860.1,1800.2 1441.6,1788.9 1330.9,996.4 1198.7,66.8 849.7,67.3 439.0,59.0 2.2,60.6 1.0,235.3 1.0,1717.3 439.7,1769.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0554/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[439.0,1331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2108574,37.7798224]}},{"type":"Feature","properties":{"resourceCoords":[439.0,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.208634,37.7813931]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0555/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p555","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0555/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0555","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.9,538.9 82.2,545.2 78.2,981.9 74.2,981.3 107.0,1216.5 146.8,1216.8 142.0,1880.0 593.1,1880.2 1247.6,1877.7 1494.0,1880.0 1495.3,1208.0 1535.5,1213.6 1543.7,699.4 1536.7,698.6 1558.1,266.1 1164.8,201.3 71.8,18.4 67.2,18.7 33.3,20.9 1.0,342.9 1.0,536.6 22.9,538.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0555/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[142.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2067593,37.775837]}},{"type":"Feature","properties":{"resourceCoords":[1494.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.205165,37.7779542]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556__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 | 1925 | sanborn00727_011 p556 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"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":"3623.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.5,41.1 53.9,476.1 61.0,476.8 52.7,993.9 12.3,988.3 10.9,1664.1 442.6,1661.6 538.1,1371.2 634.3,1068.5 709.8,821.8 757.1,679.1 764.5,645.3 784.2,555.5 765.0,550.2 610.3,187.3 627.3,132.1 75.5,41.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[636.9,134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20744560610953,37.7803471139885]}},{"type":"Feature","properties":{"resourceCoords":[635.9,1055.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20563211303362,37.77949203474267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556__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 | 1925 | sanborn00727_011 p556 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1916.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4511.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"701.1,1882.7 853.5,1868.7 992.6,1738.5 1087.6,1740.1 1085.4,1847.4 1450.3,1813.9 1538.8,819.5 1498.9,819.6 729.0,809.0 725.8,877.3 738.1,909.9 721.6,1036.0 716.2,1213.6 701.1,1882.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0556__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1529.0,817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1973510360917,37.77610373046105]}},{"type":"Feature","properties":{"resourceCoords":[711.1,817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19872544106943,37.77509180194836]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0557/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p557","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0557/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0557","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1523.8,1771.8 1543.7,1712.5 1528.8,1202.2 1538.5,1210.8 1542.7,751.7 1498.8,746.0 1582.6,488.4 1399.7,413.5 1375.7,440.1 699.7,216.9 422.6,126.8 388.5,106.9 295.7,76.0 252.8,77.8 196.6,56.3 73.9,13.5 35.9,15.5 27.7,15.9 23.3,426.8 16.9,673.1 8.7,1327.4 1.1,1778.4 1.0,1785.6 1.0,1835.3 1031.6,1861.1 1031.7,1852.0 1521.5,1889.8 1523.8,1771.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0557/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2047217855318,37.77865032227778]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.20152523263812,37.777181335642]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.20376070143692,37.77409926408698]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2069572543306,37.775568250722756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0558/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p558","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0558/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0558","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.8,144.2 69.9,604.9 60.7,595.5 40.2,1108.9 16.2,1167.0 1.0,1339.5 1.0,1679.0 127.1,1698.0 541.1,1496.8 748.5,1929.9 819.0,1896.1 1454.6,1591.2 1582.7,1529.8 1583.2,1492.3 1583.6,1450.5 1065.9,344.2 105.8,144.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0558/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[533.0,1500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20299430158609,37.77350591232619]}},{"type":"Feature","properties":{"resourceCoords":[733.0,1934.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20301594681817,37.77264051822548]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0559/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p559","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0559/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0559","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1577.8,1852.8 1553.2,1852.8 923.4,1853.5 896.8,1872.9 665.7,1872.3 437.7,1872.6 403.1,1853.0 51.4,1853.3 53.0,1078.6 11.2,865.8 240.9,105.8 661.6,120.6 661.6,104.5 1126.5,101.6 1126.8,128.7 1570.1,173.8 1569.5,79.4 1576.6,80.2 1582.3,1385.8 1577.8,1852.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0559/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1555.0,933.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21373387864467,37.77893585204839]}},{"type":"Feature","properties":{"resourceCoords":[57.0,1386.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21683992541493,37.78044389325864]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0560/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p560","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0560/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0560","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"938.4,1885.1 1363.8,1887.0 1380.8,1752.1 1412.9,1615.1 1540.7,1269.5 1585.3,965.8 1526.2,477.6 1480.1,144.3 882.1,155.1 867.2,112.2 449.8,107.4 449.9,122.9 1.0,69.1 1.0,1879.9 98.3,1880.7 938.4,1885.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0560/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[449.0,951.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2130299,37.7782854]}},{"type":"Feature","properties":{"resourceCoords":[449.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2146123,37.7771646]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0561/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p561","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"27"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0561/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0561","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.8,1818.9 1537.1,1173.3 1538.8,353.2 1540.7,138.9 874.6,131.2 874.2,171.2 637.9,203.2 638.5,199.2 199.9,193.2 193.4,252.8 188.9,294.1 98.2,1111.7 78.0,1352.6 66.5,1426.0 1.0,1665.5 1.0,1804.0 16.2,1805.5 49.1,1808.8 468.5,1811.7 1101.0,1813.0 1539.8,1818.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0561/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[869.0,620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2086486,37.7757038]}},{"type":"Feature","properties":{"resourceCoords":[1101.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2095806,37.7736249]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0562/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p562","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0562/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0562","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.2,1117.0 23.8,294.4 25.8,136.8 1061.8,161.3 1061.8,152.1 1554.0,189.5 1553.2,255.2 1578.3,583.0 1549.4,580.9 1548.5,1166.1 1544.5,1238.3 1405.8,1318.4 1098.6,1929.2 1053.2,1929.2 1043.1,1929.2 1043.0,1883.8 724.6,1811.4 686.1,1745.8 613.6,1765.3 548.5,1770.6 17.9,1764.6 18.2,1117.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0562/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20629395707606,37.77458447556336]}},{"type":"Feature","properties":{"resourceCoords":[1535.0,575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20434855623772,37.77368757097757]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0563__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 | 1925 | sanborn00727_011 p563 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"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":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0563__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0563","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"287.6,1634.0 323.8,1634.3 324.7,1790.2 773.6,1763.6 773.2,1710.7 1579.9,1708.8 1580.5,1666.6 1393.5,990.0 1373.1,1002.0 1238.3,668.3 1216.0,537.1 1185.1,555.2 940.9,136.4 540.8,372.8 382.2,362.0 384.1,952.1 380.4,1024.8 240.9,1106.3 1.0,1589.2 1.0,1804.3 287.6,1634.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0563__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20398737997137,37.77350285455209]}},{"type":"Feature","properties":{"resourceCoords":[776.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20482059339383,37.77161245790932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0564/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p564","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0564/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0564","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.3,833.1 98.3,824.9 172.8,1562.0 1.0,1533.1 1.0,1601.8 425.2,1740.9 1496.0,1921.3 1544.2,1833.2 1577.2,1769.2 1577.8,1728.8 1487.3,1681.2 1366.3,1358.2 1057.1,532.7 1101.7,447.8 1034.8,473.0 862.5,27.3 701.9,87.7 40.0,336.5 1.0,351.2 1.0,488.4 76.3,833.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0564/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[406.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2019020144462,37.772642952397206]}},{"type":"Feature","properties":{"resourceCoords":[124.0,1677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2037117987817,37.77031846984632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0565__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 | 1925 | sanborn00727_011 p565 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"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":"6484.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0565__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0565","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1042.5 1.0,1139.6 652.1,1721.1 884.6,1928.6 1067.3,1927.5 1556.0,1924.3 1555.8,1874.9 1600.0,1824.9 1600.0,1802.0 1601.8,1801.7 1606.0,1749.3 1606.0,1708.0 1610.0,1699.0 1609.8,1680.0 1541.5,1679.7 1549.5,1260.8 1554.7,1260.9 1550.6,866.1 1555.0,866.1 1542.0,458.9 1546.6,459.0 1530.1,49.8 1298.1,48.5 1069.2,47.1 1049.7,23.0 988.6,23.0 900.3,93.5 788.1,185.8 650.5,320.1 650.5,368.2 650.5,402.1 650.5,402.1 594.7,401.2 572.2,400.9 54.5,982.5 1.0,1042.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0565__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[307.0,1410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20078959424382,37.77090365453393]}},{"type":"Feature","properties":{"resourceCoords":[942.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19856129912452,37.77091658354232]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0566/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p566","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0566/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0566","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.1,1688.1 48.2,1263.0 53.5,1263.1 50.3,862.6 54.7,862.5 42.4,449.4 47.1,449.4 31.4,34.1 536.0,38.2 536.5,62.9 1566.9,83.5 1578.4,68.8 1599.2,1900.9 533.0,1901.0 533.7,1704.5 444.6,1701.6 178.2,1701.0 108.6,1705.4 119.8,1688.5 39.1,1688.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0566/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[533.0,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1972355692175,37.76920839540655]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,1892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.19746263009111,37.76663909068905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0567/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p567","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0567/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0567","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"227.4,1516.5 397.3,1701.1 421.1,1613.0 1254.3,1763.1 1526.6,1838.9 1522.9,70.0 951.5,72.5 951.5,130.4 328.7,114.6 328.9,152.4 310.2,152.6 282.8,1502.3 1.0,1427.2 1.0,1481.3 227.4,1516.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0567/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[951.0,544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2203505,37.7709458]}},{"type":"Feature","properties":{"resourceCoords":[951.0,1679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2181405,37.769884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0568/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p568","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0568/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0568","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"671.2,1930.8 671.2,1932.0 602.8,1928.8 422.5,1877.5 60.9,1778.4 85.2,34.2 673.5,39.8 1340.3,38.9 1429.0,65.1 1423.0,360.4 1424.8,657.3 1417.8,960.3 1419.8,1168.7 1413.8,1514.7 1353.4,1497.9 1346.0,1931.5 1324.0,1932.0 691.7,1932.0 671.2,1930.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0568/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[673.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21722906087294,37.77195366210612]}},{"type":"Feature","properties":{"resourceCoords":[673.0,49.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21988027153152,37.77318193041514]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0569/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p569","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0569/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0569","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.8,1510.9 124.5,1203.0 116.4,901.3 116.2,601.3 119.3,521.5 118.2,99.9 331.0,98.1 661.8,100.4 1361.2,95.2 1540.3,94.5 1541.6,602.3 1536.0,602.4 1524.9,919.5 1507.3,919.5 1507.8,1302.1 1516.0,1302.2 1533.9,1827.7 1373.9,1817.0 535.0,1756.0 130.2,1722.5 123.8,1510.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0569/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[535.0,1756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.216229,37.7739129]}},{"type":"Feature","properties":{"resourceCoords":[95.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2199595,37.7747966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0570/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p570","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0570/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0570","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"242.0,67.3 849.6,70.0 1208.0,68.2 1363.5,63.7 1292.8,286.6 1303.5,318.2 1113.0,926.1 1074.0,1049.0 823.6,1842.3 554.9,1821.9 308.8,1798.5 256.0,1793.1 61.1,1777.8 49.4,1258.6 41.2,1258.5 45.0,880.6 62.4,880.8 76.9,567.8 82.4,567.6 86.8,66.1 242.0,67.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0570/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[308.0,883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2163761,37.7765975]}},{"type":"Feature","properties":{"resourceCoords":[969.0,1380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2146123,37.7771646]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0571__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 | 1925 | sanborn00727_011 p571 [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":"6484.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0571__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0571","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1474.2,1758.6 1491.7,1637.1 1521.3,1637.5 1509.8,1502.7 1555.5,1253.8 1560.8,1179.3 1560.5,936.5 1581.5,110.8 1581.9,92.4 1397.5,107.3 1052.1,100.7 1002.2,588.4 892.0,874.0 691.7,1181.9 630.3,1308.1 584.1,1435.6 170.8,1340.2 171.5,1611.5 167.3,1860.4 166.7,1883.1 596.8,1875.8 590.5,1931.2 649.6,1931.2 659.4,1866.9 661.6,1858.2 1466.5,1807.6 1474.2,1758.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0571__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[169.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21385597031335,37.776528057514405]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2096563028863,37.77691901899445]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0572/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p572","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0572/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0572","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.5,1348.0 175.9,510.6 205.6,153.8 208.9,123.2 640.2,151.6 629.3,206.6 688.6,211.3 703.7,147.8 706.5,139.2 1516.9,155.4 1504.7,205.8 1451.3,419.4 1376.3,693.0 1278.9,1004.9 1505.0,1003.8 1507.1,1218.2 1502.2,1773.0 1267.4,1772.0 1063.5,1762.9 1048.1,1820.4 987.8,1821.2 957.5,1929.3 854.8,1929.3 854.2,1823.4 396.2,1817.7 412.9,1756.3 61.5,1751.9 101.5,1348.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0572/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,1337.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21617615271141,37.77391108262871]}},{"type":"Feature","properties":{"resourceCoords":[1370.0,679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21296986607793,37.77378492546866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0573/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p573","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0573/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0573","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1236.8,1831.5 1010.5,1828.0 614.4,1826.8 285.8,1833.9 290.8,1282.8 288.8,1069.7 64.2,1070.8 161.0,760.9 235.5,489.2 288.7,277.0 312.4,178.8 339.9,59.4 385.6,63.8 418.6,67.0 839.0,69.0 1473.0,69.0 1468.3,523.0 1473.6,1071.0 1470.8,1673.9 1522.8,1779.3 1491.6,1831.8 1236.8,1831.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0573/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[839.0,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21083,37.7742098]}},{"type":"Feature","properties":{"resourceCoords":[1473.0,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2095806,37.7736249]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0574/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p574","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0574/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0574","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"479.7,48.1 1016.9,47.8 1082.8,41.6 1155.9,21.0 1195.7,87.0 1518.8,156.5 1519.5,202.4 1575.7,201.8 1565.8,221.9 1523.8,307.9 1530.2,1270.5 1527.8,1787.7 1542.8,1832.0 1545.8,1840.5 30.6,1882.5 7.9,1882.5 62.2,1831.2 93.5,1777.7 40.3,1671.2 40.0,1060.4 31.8,505.3 34.1,45.3 479.7,48.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0574/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[487.0,515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2092481653382,37.77248898921618]}},{"type":"Feature","properties":{"resourceCoords":[45.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20959164052157,37.77357251818039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0575/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p575","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0575/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0575","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"883.3,1748.5 595.9,1744.3 581.0,1700.0 583.9,1183.4 578.6,221.9 675.8,23.4 696.0,23.4 697.0,197.1 984.4,23.9 1004.5,23.9 1020.7,23.9 1022.5,180.3 1472.5,150.9 1484.7,1091.7 1474.5,1528.8 1473.6,1703.5 1484.1,1741.3 990.8,1740.9 945.4,1742.9 883.3,1748.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0575/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2078839,37.7690338]}},{"type":"Feature","properties":{"resourceCoords":[1494.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2070233,37.7686271]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0576/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p576","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0576/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0576","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.8,1720.1 70.2,1545.2 81.5,1107.7 71.4,112.7 716.5,109.0 728.3,177.2 1175.7,242.4 1388.2,241.3 1361.0,619.0 1367.0,619.0 1387.5,1078.7 1395.7,1080.2 1428.8,1786.6 1558.0,1786.8 1104.7,1921.4 1123.1,1858.8 1114.8,1786.0 1073.9,1820.0 861.9,1825.2 860.2,1760.2 670.8,1758.4 79.2,1758.0 68.8,1720.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0576/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[867.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2041546,37.7697218]}},{"type":"Feature","properties":{"resourceCoords":[867.0,244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2037227,37.7702964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0577/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p577","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0577/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0577","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.8,1722.6 152.0,1031.5 144.0,1030.0 123.1,580.4 117.2,580.3 143.1,210.7 1008.8,204.5 1040.5,110.5 1057.2,57.2 1066.8,26.5 1128.8,26.6 1201.5,26.6 1582.5,145.7 1581.4,149.1 1557.5,224.7 1576.3,291.4 1503.7,656.2 1455.5,641.2 1136.9,1723.0 1083.2,1722.2 1015.4,1722.6 967.4,1874.2 845.7,1691.2 496.2,1667.6 312.1,1722.6 185.8,1722.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0577/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2020691,37.7682387]}},{"type":"Feature","properties":{"resourceCoords":[1326.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2012645,37.7675188]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0578/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p578","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0578/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0578","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1455.5,1519.9 1529.8,1436.4 1551.8,1084.2 1543.2,214.6 478.9,213.2 479.0,187.6 479.9,17.0 391.0,14.0 125.0,13.0 55.5,17.3 55.6,19.7 45.0,147.2 1.0,196.6 1.0,333.3 38.5,390.6 79.8,766.4 28.5,766.6 50.7,1912.3 66.7,1907.5 385.4,1805.1 536.4,1761.0 741.5,1695.3 807.6,1692.2 1078.7,1612.0 1268.2,1551.7 1306.3,1519.3 1455.5,1519.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0578/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[479.0,765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1999288,37.7673181]}},{"type":"Feature","properties":{"resourceCoords":[479.0,394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1992985,37.7677613]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0579/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p579","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0579/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0579","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1108.3,65.0 830.2,60.9 1.0,126.2 1.0,216.7 45.5,245.2 53.7,1850.3 205.5,1920.9 1119.0,1905.8 1119.0,1899.0 1485.2,1904.8 1542.8,1905.6 1478.1,1007.6 1481.4,1007.7 1512.5,542.9 1517.1,543.0 1494.6,63.1 1482.4,63.0 1108.3,65.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0579/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21909786769079,37.769297519925786]}},{"type":"Feature","properties":{"resourceCoords":[1621.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2163978596748,37.77135830653518]}},{"type":"Feature","properties":{"resourceCoords":[1621.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21328531924381,37.768774019645974]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2159853272598,37.76671323303658]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0580/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p580","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0580/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0580","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"303.1,58.1 314.3,58.2 369.8,42.4 369.4,41.2 459.8,21.3 564.0,24.0 1068.1,24.5 1077.7,57.0 1136.3,56.4 1181.8,252.2 1243.1,475.3 1337.8,787.1 1442.5,1165.8 1499.7,1382.8 1567.5,1626.2 1505.0,1588.3 1510.9,1609.8 1588.7,1865.2 1580.3,1865.2 1587.4,1890.1 1377.0,1902.5 653.6,1910.1 349.6,1907.3 171.8,1905.6 109.0,1005.5 112.4,1005.5 144.6,539.2 149.2,539.3 127.8,58.1 303.1,58.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0580/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[382.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21605480001698,37.771411215028294]}},{"type":"Feature","properties":{"resourceCoords":[1553.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21118548803162,37.77047968375015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0581__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 | 1925 | sanborn00727_011 p581 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"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":"6484.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0581__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0581","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1515.7,1697.6 1518.2,367.4 1455.8,384.6 1456.8,318.0 1453.5,319.3 1176.7,390.9 1181.7,398.2 1.0,756.6 1.0,765.0 25.3,758.1 37.6,971.8 44.8,1706.0 477.0,1709.0 881.7,1705.5 1329.9,1714.2 1515.7,1697.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0581__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[477.0,1709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2119983,37.768769]}},{"type":"Feature","properties":{"resourceCoords":[477.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2102304,37.7701079]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0582/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p582","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0582/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0582","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.3,213.6 1586.3,149.0 1558.1,82.2 1528.8,125.9 1328.7,190.0 1309.0,128.8 1128.6,179.9 566.5,344.7 96.9,481.0 54.3,495.4 1.0,516.3 1.0,582.9 61.8,565.0 79.5,1890.5 320.1,1865.3 620.9,1847.0 757.2,1836.0 1208.0,1786.0 1515.4,1767.0 1574.8,1683.1 1579.4,218.0 1586.3,213.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0582/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[697.0,1847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20931209142977,37.76667107767127]}},{"type":"Feature","properties":{"resourceCoords":[1562.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20511748457248,37.767621160840214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0583/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p583","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0583/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0583","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1531.1,1857.0 1118.8,1894.6 170.1,1864.5 137.2,1934.0 134.4,1934.0 123.6,1016.3 116.8,1016.2 124.4,646.1 128.9,408.7 134.7,102.2 564.0,109.0 966.0,109.0 1411.2,121.5 1446.6,118.7 1476.6,1041.0 1479.7,1064.0 1509.3,1568.7 1531.1,1857.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0583/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[564.0,109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2119983,37.768769]}},{"type":"Feature","properties":{"resourceCoords":[966.0,109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2113555,37.7682478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0584/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p584","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0584/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0584","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1215.7,1914.8 1236.4,1894.8 1531.1,1900.7 1569.3,1833.0 1577.5,90.8 1584.0,82.7 1277.3,84.3 826.3,108.8 690.1,112.0 390.1,113.4 1.0,132.0 1.0,1063.5 2.4,1076.9 15.6,1581.8 27.9,1870.3 1215.7,1914.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0584/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,1623.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21163629415605,37.76464915601018]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,1623.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.21038494074594,37.76369828996922]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0587/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p587","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0587/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0587","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.6,1864.1 1585.8,77.5 1519.7,27.8 1375.6,27.3 1370.7,27.3 1332.8,59.6 1143.6,120.0 873.0,200.3 807.0,203.5 602.3,269.2 451.7,313.4 133.6,415.9 65.5,436.4 1.0,457.2 1.0,619.8 65.9,672.0 67.6,1685.5 168.9,1870.4 1565.6,1864.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0587/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2015799,37.7646281]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2033579,37.7633799]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0588/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p588","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0588/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0588","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.0,1789.3 1447.6,1884.8 1205.0,1740.5 735.6,1796.0 453.3,1696.6 164.6,1751.7 81.6,1698.3 55.1,233.9 155.1,132.1 149.2,121.7 1546.9,112.0 1532.0,1789.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0588/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1165.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20335055119735,37.76337551839151]}},{"type":"Feature","properties":{"resourceCoords":[1532.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.20279739706773,37.7628807060736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0592/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p592","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.41"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0592/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0592","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"430.0,62.8 1578.5,91.6 1510.8,157.9 1585.4,1318.6 1522.0,1821.8 1016.9,1914.8 61.5,1826.3 98.7,1027.7 54.2,589.8 104.0,310.3 30.9,91.0 430.0,62.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0592/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21394148281087,37.765955789805915]}},{"type":"Feature","properties":{"resourceCoords":[1632.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21118436951927,37.76380867315583]}},{"type":"Feature","properties":{"resourceCoords":[1632.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21440520469775,37.76118732249989]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.21716231798935,37.76333443914998]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0593/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p593","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0593/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0593","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1631.0,53.6 1548.0,57.0 1547.1,227.2 1546.2,347.0 1545.6,463.0 1544.3,676.8 1542.5,969.7 1541.2,1175.3 1541.2,1188.5 1536.7,1862.9 1536.0,1918.5 1299.2,1914.5 1203.8,1842.1 972.2,1813.2 679.1,1900.7 468.2,1840.0 69.2,1865.7 77.2,1240.3 92.4,1192.9 132.5,1224.3 151.2,1210.1 148.3,1057.9 121.4,1035.0 80.6,1088.0 73.3,925.2 152.0,919.0 76.5,762.3 167.9,509.1 163.6,162.4 750.5,40.0 1631.0,45.7 1631.0,53.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0593/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22639616410684,37.76370525070932]}},{"type":"Feature","properties":{"resourceCoords":[1632.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22371492571494,37.765776393548634]}},{"type":"Feature","properties":{"resourceCoords":[1632.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22058863971287,37.763243014676505]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.22326987810477,37.76117187183719]}},{"type":"Feature","properties":{"resourceCoords":[1548.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2237615,37.7655957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0594/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p594","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0594/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0594","type":"ImageService3","width":1643,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.0,51.3 979.5,34.9 991.9,25.8 994.4,34.5 1271.8,26.4 1642.0,276.1 1642.0,297.9 1642.0,303.6 1543.9,410.2 1574.6,1908.8 197.6,1927.2 118.1,1927.0 101.7,1182.1 90.2,681.5 75.8,59.1 158.8,45.3 185.0,51.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0594/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2220573347817,37.766850443631505]}},{"type":"Feature","properties":{"resourceCoords":[80.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.22376384639013,37.76560905776196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0597/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1925 | sanborn00727_011 p597","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:58:19Z","modified":"2026-10-18T04:58:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0597/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0597","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.6,695.5 158.8,553.8 158.8,552.3 158.9,538.4 158.6,349.5 159.8,166.4 190.9,163.9 232.6,151.8 291.9,117.0 317.1,133.9 387.2,170.6 435.9,214.4 457.2,229.4 480.2,200.5 688.9,278.1 647.3,337.4 980.7,190.8 1000.5,146.2 1059.8,25.3 1063.9,25.4 1101.1,25.5 1122.6,47.3 1355.0,37.3 1541.0,90.0 1576.6,216.3 1552.5,691.2 1582.5,906.8 1588.5,1453.3 1559.2,1878.8 1351.1,1900.5 910.7,1838.0 584.0,1892.3 152.2,1871.8 154.4,1609.5 156.2,1449.1 100.3,1449.5 100.1,1263.0 86.5,1262.8 132.1,1078.0 163.1,1078.0 163.7,1013.7 172.3,963.4 196.7,919.2 157.8,884.2 157.6,695.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727192505:00727_05_1925-0597/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.18322795483282,37.77698691743597]}},{"type":"Feature","properties":{"resourceCoords":[150.0,401.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.18980404620334,37.77916050937532]}}]}}]}