{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00727_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, California | 1912 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"132"},{"label":"placed","value":"112"},{"label":"unplaced","value":"20"},{"label":"fit sources","value":"georef 78, georef-snap 31, snap:0 2, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"18 sheet(s) cut into 37 panels"},{"label":"unplaced pages","value":"p0__2 (tier 1, 37.79899,-122.29304 +/-100m); p103 (tier 1, 37.80019,-122.29011 +/-273m); p106 (tier 1, 37.79784,-122.28146 +/-264m); p107__2 (tier 1, 37.79737,-122.28233 +/-243m); p111__1 (tier 1, 37.80717,-122.30621 +/-100m); p111__2 (tier 3, 37.80216,-122.30484 +/-504m); p111__3 (tier 1, 37.80689,-122.30611 +/-100m); p112__1 (tier 1, 37.80729,-122.32894 +/-219m); p112__2 (tier 3, 37.80919,-122.32908 +/-504m); p112__3 (tier 1, 37.80766,-122.32879 +/-105m); p18 (tier 1, 37.82567,-122.26742 +/-258m); p1__1 (tier 1, 37.82564,-122.28943 +/-186m); p1__2 (tier 1, 37.82616,-122.29099 +/-211m); p3 (tier 1, 37.82642,-122.28912 +/-249m); p34__2 (tier 1, 37.81859,-122.26253 +/-107m); p45__2 (tier 1, 37.81749,-122.28846 +/-139m); p65__2 (tier 1, 37.81202,-122.29954 +/-120m); p78__2 (tier 1, 37.80707,-122.27470 +/-100m); p87 (tier 2, 37.80820,-122.30451 +/-100m); p91 (tier 2, 37.80674,-122.30247 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0010","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"383.9,1805.2 127.8,1275.4 202.4,1295.0 40.4,950.5 21.0,909.2 21.0,882.8 38.3,884.8 121.2,893.4 342.9,567.6 388.9,567.6 390.0,146.2 363.9,147.3 430.9,37.5 464.9,36.8 1217.3,29.3 1306.4,30.5 1553.1,90.7 1590.6,70.5 1595.5,1459.0 1597.1,1913.7 1596.9,1935.9 1507.2,1935.5 1444.2,1935.2 1330.0,1925.7 580.0,1854.8 508.2,1860.7 441.9,1926.7 405.8,1849.6 383.9,1805.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1590.0,566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27483238033992,37.82714693102914]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27543220262312,37.82479743148092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p100","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0100","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"842.5,1837.7 259.7,1843.2 248.3,1029.1 252.0,982.0 248.4,566.7 267.9,416.1 342.2,147.8 445.9,147.5 587.5,127.5 1403.0,116.7 1407.1,173.6 1408.7,550.0 1414.5,969.5 1417.2,969.4 1427.7,1401.1 1414.8,1401.2 1423.0,1828.5 842.5,1837.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[827.0,557.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2794115,37.8006844]}},{"type":"Feature","properties":{"resourceCoords":[252.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2810134,37.800474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101__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 | 1912 | sanborn00727_005 p101 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3375.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"235.4,1841.1 280.9,1814.3 502.9,1867.2 654.1,1769.9 654.9,1711.2 654.9,110.4 654.9,70.7 235.4,76.3 235.3,98.5 232.1,1089.3 235.4,1841.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[654.9,1194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2762919,37.7986211]}},{"type":"Feature","properties":{"resourceCoords":[654.9,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2786488,37.799546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101__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 | 1912 | sanborn00727_005 p101 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3375.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3296.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1035.8,1773.9 1051.5,1763.8 1215.5,1807.1 1386.3,1807.0 1428.9,1806.9 1446.0,1652.4 1450.2,1194.8 1451.4,634.6 1453.8,272.8 1452.1,113.1 1445.3,64.8 1036.7,66.0 1036.7,108.5 1036.7,1715.1 1035.8,1773.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0101__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1036.7,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2762919,37.7986211]}},{"type":"Feature","properties":{"resourceCoords":[1036.7,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2786488,37.799546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0102/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p102","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0102/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0102","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.9,1791.3 1.0,1795.6 1.0,1795.9 269.8,1866.8 926.3,1783.9 1121.1,1849.4 1454.0,1843.5 1454.0,1788.4 1454.0,1746.1 1454.0,1694.9 1454.0,1580.1 1454.8,58.8 1045.0,58.8 681.8,61.2 630.8,64.0 575.8,67.3 212.0,65.0 218.7,112.8 220.4,271.1 218.2,629.6 217.2,1184.7 213.0,1638.2 196.2,1791.2 153.9,1791.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0102/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.0,622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2766149,37.800461]}},{"type":"Feature","properties":{"resourceCoords":[212.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2782275,37.8002212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p104","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0104/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0104","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1548.9,55.0 1543.2,1850.9 1377.9,1906.7 682.6,1869.2 630.0,1822.5 535.1,1896.9 265.2,1851.5 158.3,1805.1 129.5,1626.9 68.8,1605.8 161.4,1018.9 62.3,760.2 32.5,240.2 78.8,59.2 158.0,58.5 544.5,54.1 624.8,55.9 1059.3,53.5 1548.9,55.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1554.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2870555,37.800589]}},{"type":"Feature","properties":{"resourceCoords":[574.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2892073,37.8010869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p105","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0105/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0105","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1618.0,1053.5 1607.8,1094.3 1609.5,1101.8 1606.2,1133.1 1556.9,1801.8 1535.3,1879.5 1400.7,1816.7 843.2,1882.2 797.0,1802.0 462.7,1803.8 102.2,1922.6 120.9,121.0 826.4,122.4 1051.7,123.8 1493.1,123.3 1553.7,125.3 1549.8,189.2 1544.4,1015.1 1544.1,1040.5 1597.0,1049.8 1598.9,1050.1 1618.0,1053.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0105/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2860313,37.8003583]}},{"type":"Feature","properties":{"resourceCoords":[126.0,121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2870555,37.800589]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0107__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 | 1912 | sanborn00727_005 p107 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3808.0"},{"label":"split_canvas_w","value":"2299.2"},{"label":"split_canvas_h","value":"3988.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0107__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0107","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.7,1935.7 248.8,1935.8 439.1,1936.5 476.6,1037.4 172.2,1034.9 63.0,1043.0 70.3,1106.8 208.8,1924.0 210.7,1935.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0107__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[477.8,1468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2835008,37.7988641]}},{"type":"Feature","properties":{"resourceCoords":[63.0,1043.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2839271,37.7998762]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0108/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p108","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0108/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0108","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"920.0,1902.1 1156.2,1884.7 1156.0,1902.0 1576.3,1907.3 1577.9,1341.8 1583.0,774.0 1588.9,207.5 1588.9,203.8 712.4,168.1 712.8,1.0 706.2,1.0 700.0,1.9 701.0,2.0 701.0,21.0 659.0,18.0 652.0,21.0 621.0,20.9 621.3,23.2 1.0,86.6 1.0,86.9 44.0,97.0 99.0,477.6 37.2,752.1 61.2,1905.4 5.8,1921.1 680.0,1910.3 680.0,1919.8 775.1,1912.8 775.3,1902.2 920.0,1902.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0108/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1583.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2818867,37.799091]}},{"type":"Feature","properties":{"resourceCoords":[1156.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2799583,37.7974741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p109","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0109/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0109","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1060.6,53.9 1060.8,63.6 1157.9,55.6 1158.0,44.7 1227.9,44.0 1407.4,626.8 1365.8,627.1 1347.8,1201.7 1372.4,1201.1 1289.8,1772.6 1149.8,1774.7 1149.7,1901.5 706.9,1907.1 144.4,1802.4 141.4,1578.0 54.5,1487.5 52.5,442.6 143.2,137.9 371.5,71.2 1060.6,53.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1550.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2787616,37.7970085]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2775943,37.7965489]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p11","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0011","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"193.8,182.7 316.1,118.7 1095.9,63.7 1499.9,171.6 1507.9,166.9 1495.2,1252.3 1496.4,1773.1 769.7,1696.1 323.3,1644.1 181.1,1593.1 193.8,182.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2748277,37.8271462]}},{"type":"Feature","properties":{"resourceCoords":[1502.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2719055,37.8267107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p110","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0110","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"352.0,65.5 586.9,46.9 586.8,64.1 1005.0,67.0 1419.2,64.5 1419.0,99.0 1413.6,1087.3 1415.3,1837.3 1372.5,1862.3 193.6,1873.2 194.1,1749.9 330.4,1748.3 412.7,1192.5 388.8,1193.0 408.2,633.8 448.7,633.7 276.0,66.0 352.0,65.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1005.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2783397,37.797706]}},{"type":"Feature","properties":{"resourceCoords":[1005.0,67.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2795182,37.798166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p12","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0012","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1327.7,1859.7 1184.6,1830.8 342.4,1755.7 238.8,1737.2 231.7,1222.1 231.9,148.6 319.1,96.2 1018.0,54.9 1357.3,116.1 1421.8,285.8 1494.9,309.1 1514.0,518.2 1426.4,649.9 1385.7,1091.7 1407.7,1201.3 1489.6,1192.5 1543.9,1380.5 1549.8,1401.1 1473.3,1404.0 1386.3,1777.6 1386.5,1861.3 1327.7,1859.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[232.0,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2719055,37.8267107]}},{"type":"Feature","properties":{"resourceCoords":[1384.0,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2693189,37.8263008]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0013","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1324.5,1805.0 1082.5,1806.5 591.9,1804.4 94.0,1804.0 94.2,1792.2 405.1,807.8 268.2,807.8 84.1,221.6 128.3,72.8 593.9,110.9 1085.2,143.6 1085.2,122.8 1575.8,130.4 1574.7,435.8 1576.0,810.0 1575.2,1807.0 1324.5,1805.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1576.0,810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2799246,37.8235151]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2838259,37.8225165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p14","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0014","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"253.3,1266.7 283.4,1248.6 267.2,1203.8 247.8,92.1 620.0,83.5 929.5,78.5 1241.4,73.6 1246.4,547.6 1268.8,552.0 1439.1,549.6 1408.3,568.7 1335.5,612.0 1407.4,671.2 1420.2,741.9 1423.0,1491.9 1424.8,1606.0 1439.0,1757.3 1426.0,1758.5 159.9,1886.9 110.8,1413.2 248.9,1328.8 199.9,1299.2 253.3,1266.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2758033,37.8232634]}},{"type":"Feature","properties":{"resourceCoords":[256.0,570.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2788631,37.8232741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0015","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1200.4,1831.8 534.0,1832.2 266.0,1831.0 265.1,545.9 265.4,510.2 264.9,53.1 406.1,102.2 848.5,149.1 1568.8,218.0 1569.0,674.7 1571.5,1070.9 1572.4,1584.6 1570.0,1831.0 1200.4,1831.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1570.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.273093,37.8219424]}},{"type":"Feature","properties":{"resourceCoords":[266.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2760186,37.822403]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p16","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0016","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"388.2,1756.7 367.5,1512.0 318.6,1002.7 279.0,610.0 236.0,157.0 340.6,165.8 1183.7,162.6 1328.5,178.0 1387.0,174.2 1465.2,1007.0 1496.5,1333.6 1526.4,1651.2 388.2,1756.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[279.0,610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2725782,37.8239919]}},{"type":"Feature","properties":{"resourceCoords":[236.0,157.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2723745,37.8248015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p17","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.49"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0017","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"345.1,75.7 1186.6,106.8 1270.7,109.8 1642.1,211.3 1642.1,288.1 1591.2,300.8 1466.7,1829.9 1643.0,1849.9 1643.0,1866.3 792.6,1824.3 703.0,1819.8 47.3,1787.4 90.7,1471.5 101.3,1399.3 143.5,1087.2 160.0,1055.3 325.8,75.0 345.1,75.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[502.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2662674,37.8224656]}},{"type":"Feature","properties":{"resourceCoords":[743.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2700528,37.8233886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0019","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.3,590.1 61.6,152.0 159.2,48.9 1204.3,42.5 1568.2,136.7 1641.0,138.2 1640.9,174.9 1451.8,164.4 1451.3,216.6 1549.3,224.0 1544.8,585.7 1548.1,585.9 1544.2,1016.0 1540.4,1015.7 1530.6,1899.2 102.4,1837.5 102.3,1816.1 101.6,984.7 85.6,985.5 110.3,590.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[103.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26571513764382,37.824504867102064]}},{"type":"Feature","properties":{"resourceCoords":[103.0,535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26550286869549,37.8252897770872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0002","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1506.8,1088.7 1292.2,1089.2 1501.0,1180.0 751.0,1784.3 820.1,1843.5 530.8,1862.4 145.8,1776.1 153.8,1600.0 83.8,1573.8 67.0,1375.6 53.1,147.8 90.5,64.8 480.7,44.0 480.6,18.3 515.5,18.4 519.9,18.4 518.4,93.5 517.7,186.2 1515.6,462.4 1511.0,624.7 1572.6,645.5 1642.3,668.2 1642.3,693.2 1511.1,819.7 1506.8,1088.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28859405769384,37.82596973236869]}},{"type":"Feature","properties":{"resourceCoords":[1663.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.28762475366895,37.82305418535632]}},{"type":"Feature","properties":{"resourceCoords":[1663.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29192025749832,37.822150525199994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.29288956152321,37.825066072212365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p20","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0020","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.9,45.6 194.2,45.4 194.6,83.1 1.0,74.1 1.0,127.8 100.8,134.5 99.7,506.3 103.1,506.6 103.2,948.8 99.3,948.5 97.7,1856.8 172.2,1859.3 172.9,1859.3 175.5,1859.5 365.1,1868.0 540.0,1875.0 593.0,1890.4 759.4,1898.4 812.0,1877.2 876.6,1894.3 1244.4,1909.5 1281.8,1918.4 1592.3,1879.7 1530.0,1601.0 1618.9,964.9 1627.1,277.6 1555.9,62.4 216.9,45.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[286.0,517.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2618262,37.824551]}},{"type":"Feature","properties":{"resourceCoords":[540.0,1875.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2619358,37.8220732]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021__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 | 1912 | sanborn00727_005 p21 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4342.0"},{"label":"split_canvas_w","value":"3054.4"},{"label":"split_canvas_h","value":"3454.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.7,1810.7 569.9,1818.5 521.1,1787.5 369.7,1515.1 418.9,1488.7 198.8,1099.1 173.6,1097.4 171.0,1097.2 163.5,1143.3 93.6,1275.8 83.7,1810.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[347.8,1454.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27622926955898,37.819566931593606]}},{"type":"Feature","properties":{"resourceCoords":[82.0,946.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27651373395605,37.82056211240894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021__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 | 1912 | sanborn00727_005 p21 [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":"6660.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"635.6,1360.7 662.8,1364.7 849.9,1764.2 891.8,1749.9 1024.0,1751.2 1546.3,1756.3 1527.7,1234.9 1559.7,1235.2 1557.6,707.1 1554.8,707.0 1535.5,176.8 1520.8,176.7 853.9,168.6 585.8,164.0 104.3,159.4 35.4,11.1 20.0,31.0 20.0,33.0 18.1,33.4 1.0,55.7 1.0,59.1 23.6,108.1 220.4,535.1 165.1,568.5 149.3,602.5 111.0,1008.5 454.8,1039.5 624.8,1405.5 635.6,1360.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[584.0,700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27624676364138,37.82145214968793]}},{"type":"Feature","properties":{"resourceCoords":[584.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27602541183754,37.822391183558466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p22","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0022","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"401.7,1740.5 127.0,1741.5 101.6,1224.3 133.4,1224.2 124.3,700.0 121.5,700.0 95.4,174.0 448.0,173.0 1588.0,174.2 1589.0,944.9 1589.3,1227.0 1590.0,1737.0 1268.7,1736.8 450.6,1740.3 401.7,1740.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[448.0,173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.273093,37.8219424]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,1737.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2712207,37.8187452]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p23","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0023","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.4,1908.5 976.9,1888.7 977.0,1877.0 1315.7,1876.9 1582.9,1877.0 1583.9,968.9 1574.2,968.9 1564.4,333.5 1471.8,166.7 1472.2,75.4 1398.3,34.1 1389.3,18.0 1185.0,21.0 1003.5,210.6 849.3,67.2 938.9,271.9 1.0,201.9 1.0,210.4 6.5,257.7 9.0,258.0 10.3,290.5 40.4,315.1 62.6,1691.5 81.0,1843.9 141.4,1908.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[977.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.292247,37.8202462]}},{"type":"Feature","properties":{"resourceCoords":[1624.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2909676,37.8196085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p24","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0024","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.0,1882.0 775.1,1885.0 846.5,1897.5 970.4,1892.1 1148.3,1897.5 1474.8,1898.0 1491.5,1865.8 1588.5,1852.4 1641.0,1837.9 1640.7,1267.4 1588.8,918.3 1596.2,916.1 1483.2,218.4 1481.8,23.3 1432.1,37.5 1371.6,18.7 1105.0,22.0 848.6,20.8 805.3,37.6 787.4,20.5 745.9,20.4 609.8,19.7 578.9,52.9 662.6,217.9 602.8,281.3 311.6,365.1 277.2,313.8 162.4,113.7 1.0,38.5 1.0,133.2 95.4,301.9 107.8,952.4 117.7,952.4 119.9,1882.2 162.0,1882.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.0,959.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2885531,37.8203688]}},{"type":"Feature","properties":{"resourceCoords":[162.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2909676,37.8196085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0025","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.7,925.2 19.0,783.0 13.0,782.0 11.0,735.0 19.0,734.0 19.0,718.0 10.0,710.0 12.0,668.0 19.0,667.0 18.4,659.8 47.0,643.5 66.4,632.4 172.3,572.1 439.9,285.6 474.8,344.8 568.6,32.1 1040.0,36.6 1536.8,39.5 1527.5,1030.7 1524.0,1587.5 1524.5,1919.3 724.5,1912.3 171.0,1905.7 122.2,1905.5 215.4,1211.0 270.2,1025.5 219.0,1024.7 115.2,954.4 18.7,925.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[266.0,1021.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28615308818274,37.821170149456236]}},{"type":"Feature","properties":{"resourceCoords":[1039.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.283837633509,37.82249006176936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p26","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0026","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1500.8,1872.3 1500.1,1197.0 1495.7,974.0 1499.4,510.6 1499.0,84.0 696.8,82.9 141.9,80.4 85.3,80.6 12.2,602.3 16.0,609.0 16.0,625.0 11.0,628.0 16.0,629.0 19.0,670.0 12.0,671.0 13.0,690.0 19.0,691.0 19.0,707.0 14.0,708.0 15.0,717.0 19.0,718.0 19.0,734.0 11.0,735.0 11.0,772.0 19.0,773.0 17.0,1819.0 1.0,1820.0 1.0,1869.1 139.3,1869.2 1016.1,1868.1 1500.8,1872.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.286539,37.8178977]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2839174,37.8189797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p27","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0027","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.8,1583.1 116.5,1029.9 112.0,45.1 598.3,42.9 838.1,39.2 1086.6,39.0 1568.6,36.1 1569.4,278.2 1575.2,1027.5 1563.6,1027.7 1586.0,1908.0 1582.0,1908.0 1091.4,1906.7 613.1,1914.2 126.0,1912.8 120.8,1583.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[606.0,1031.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2822724,37.8202807]}},{"type":"Feature","properties":{"resourceCoords":[1582.0,1908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.280676,37.8182351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p28","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0028","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.7,1918.9 105.5,1031.7 117.3,1031.6 112.7,276.3 112.2,32.3 533.1,31.9 836.7,34.0 1036.6,31.1 1379.6,27.6 1584.2,372.4 1518.9,503.8 1522.0,1028.0 1522.5,1256.7 1527.3,1893.3 1479.9,1910.8 898.5,1913.9 585.0,1913.7 346.8,1916.4 126.7,1918.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[582.0,1028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2790863,37.8195545]}},{"type":"Feature","properties":{"resourceCoords":[1522.0,1028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2770111,37.8190748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0029","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.6,1249.2 156.1,612.6 175.8,384.0 652.2,422.1 606.3,388.6 474.9,112.0 524.8,89.1 566.4,74.3 698.2,74.0 1494.8,71.8 1544.0,71.7 1545.1,1397.7 1174.0,1391.1 1143.0,1390.6 1243.6,1598.4 1260.8,1634.7 913.6,1801.5 407.9,1560.9 141.2,1687.8 66.5,1709.8 104.6,1249.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[505.0,1081.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27658287332581,37.817720349312644]}},{"type":"Feature","properties":{"resourceCoords":[128.0,399.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27712531808945,37.81906500601955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p30","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0030","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.7,1833.5 108.1,1683.2 90.9,1647.0 20.4,1500.8 21.7,1440.1 391.9,1447.1 392.3,124.0 1212.2,122.2 1534.2,123.0 1533.8,835.9 1533.7,862.6 1533.0,1846.2 179.7,1833.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[392.0,1052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2742097,37.8174935]}},{"type":"Feature","properties":{"resourceCoords":[392.0,1835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.274559,37.8160993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p31","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0031","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.6,136.0 992.6,146.5 1506.0,154.0 1533.2,154.4 1509.2,1851.3 1478.6,1850.3 1013.8,1838.8 920.6,1836.4 531.8,1836.2 105.0,1833.0 109.9,1756.0 182.9,1114.2 215.7,1081.9 257.4,135.7 276.6,136.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[105.0,1833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2677925,37.8166175]}},{"type":"Feature","properties":{"resourceCoords":[1506.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2709918,37.8196552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0032","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"648.6,1790.5 60.7,1786.5 39.1,1786.3 26.9,141.4 275.8,139.7 1027.8,134.5 1338.2,132.6 1638.8,130.3 1519.3,1083.8 1504.6,1115.2 1476.8,1418.4 1474.5,1440.8 1469.5,1488.5 1440.7,1795.4 1430.1,1795.4 1378.6,1795.0 686.6,1790.8 648.6,1790.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[529.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2668722049494,37.81999116129117]}},{"type":"Feature","properties":{"resourceCoords":[529.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27079485127659,37.82062906722912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0033","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.6,1659.5 77.7,1108.4 94.7,1108.3 72.4,38.7 73.3,38.7 782.0,43.9 845.6,44.4 1495.3,49.4 1562.5,50.0 1483.8,1570.3 1483.7,1571.1 1471.8,1760.4 1461.8,1931.8 1447.0,1931.7 1092.3,1908.7 1019.4,1896.6 946.8,1865.0 884.0,1817.3 779.5,1715.1 666.4,1663.2 164.3,1660.1 73.6,1659.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1194.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26528500590999,37.82211696161446]}},{"type":"Feature","properties":{"resourceCoords":[1194.0,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26628969040868,37.82227935772731]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0034__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 | 1912 | sanborn00727_005 p34 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"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":"4683.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0034__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0034","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.7,1909.1 159.1,1883.1 398.5,1903.5 445.2,1833.5 601.4,1855.4 872.9,1163.3 859.8,907.8 1043.7,81.4 1085.4,63.8 721.5,40.5 658.0,22.1 605.5,42.0 440.9,30.4 405.3,19.2 388.4,19.1 363.0,385.1 350.6,458.3 318.5,531.0 270.3,594.0 167.2,698.5 114.4,811.8 109.1,1316.2 107.5,1460.8 91.8,1865.7 96.5,1908.0 135.2,1909.1 138.7,1909.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0034__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[930.9,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26100588909284,37.820736208078145]}},{"type":"Feature","properties":{"resourceCoords":[99.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2628772685373,37.82103182900035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0035","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.4,171.4 547.7,177.1 753.9,182.8 1178.4,183.7 1565.1,181.7 1649.3,183.4 1649.0,204.7 1632.5,244.2 1621.2,605.8 1603.7,1266.5 1591.6,1795.7 175.1,1905.6 76.9,1825.9 54.8,1728.5 55.9,1692.0 57.1,1642.0 94.4,171.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1168.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26763081702981,37.817359075554386]}},{"type":"Feature","properties":{"resourceCoords":[1600.0,2164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26295398314177,37.81745893586265]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p36","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0036","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"896.9,1812.6 225.9,1786.8 226.8,1258.2 230.3,598.1 234.0,236.8 258.1,175.7 720.0,175.0 772.5,175.1 1375.1,176.2 1413.2,176.3 1442.1,1246.6 1425.1,1246.8 1424.5,1798.4 1371.3,1798.4 967.8,1787.1 925.6,1792.2 925.0,1830.7 925.0,1834.2 896.9,1812.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2671863,37.8190533]}},{"type":"Feature","properties":{"resourceCoords":[228.0,1410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2646379,37.8177137]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p37","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0037","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1081.4,1881.6 526.6,1878.8 93.2,1880.4 93.5,1202.8 89.3,979.1 93.8,514.2 94.0,86.1 587.1,91.4 1071.3,87.7 1568.0,93.0 1569.1,982.8 1562.4,1643.5 1561.9,1881.4 1081.4,1881.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[587.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2833942,37.8171798]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.280676,37.8182351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p38","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0038","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1041.8,1852.9 924.6,1855.3 707.9,1873.3 101.8,1876.5 100.5,1637.5 102.0,974.0 93.8,80.4 320.0,77.5 560.2,74.3 876.5,74.0 1463.0,70.0 1510.8,52.4 1514.0,517.0 1518.1,1072.3 1524.4,1516.7 1526.8,1844.0 1462.9,1840.7 1261.5,1846.5 1041.0,1886.7 1041.8,1852.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1514.0,517.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2778504,37.8167584]}},{"type":"Feature","properties":{"resourceCoords":[102.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2812334,37.8166867]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0039","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.2,1311.5 80.1,867.9 78.8,313.6 151.6,285.1 407.5,135.6 933.8,333.1 1266.8,136.8 1351.5,281.3 1537.9,597.9 1530.8,694.4 1636.7,875.6 1636.6,911.5 1583.9,945.8 1566.5,1015.4 1479.0,1021.9 1412.3,1057.3 1454.7,1679.9 1415.7,1879.6 85.0,1638.3 84.2,1311.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1431.0,1665.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27573981921056,37.813738167099615]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27435346977455,37.81602700531855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0004","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1083.3,1819.5 609.7,1819.6 578.0,1817.4 541.2,1819.7 86.5,1820.0 20.2,1819.3 21.0,1779.0 21.0,1769.7 63.1,1769.0 51.5,80.3 358.3,34.4 1560.7,55.2 1563.4,297.5 1560.8,486.3 1563.7,685.8 1579.3,734.9 1576.8,851.0 1582.2,1287.5 1582.7,1822.6 1083.3,1819.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1085.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28519128207672,37.825657731635246]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,179.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28503126540586,37.8287420037098]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p40","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"30"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0040","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1493.0,67.0 1492.2,421.5 1492.1,460.3 1490.5,1744.8 1487.5,1864.3 1430.7,1859.5 1030.2,1853.0 857.5,1839.3 725.8,1822.3 614.1,1800.5 332.2,1721.0 102.2,1659.5 58.8,1647.4 115.0,1452.2 127.0,829.4 196.4,800.0 284.0,801.1 307.4,733.4 378.8,695.4 276.4,478.8 291.9,383.5 134.1,52.4 1493.0,67.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[117.0,1445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2756896,37.8137126]}},{"type":"Feature","properties":{"resourceCoords":[1493.0,67.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2719922,37.8156773]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p41","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0041","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"270.7,120.9 1544.0,122.0 1545.8,122.0 1551.5,879.0 1639.7,875.8 1639.3,943.1 1521.1,949.1 1525.5,1802.0 837.4,1799.5 544.0,1794.8 117.5,1793.5 119.6,1730.3 152.2,118.0 270.7,120.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1266.0,1801.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2684889,37.813891]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2721676,37.81498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0042","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.3,108.8 534.6,108.7 1515.9,108.6 1523.5,108.6 1496.0,1049.0 1463.9,1081.5 1400.8,1720.1 1397.0,1796.6 1191.2,1792.8 738.5,1791.4 521.3,1793.8 128.3,1792.8 122.3,937.9 240.8,931.6 241.1,864.2 152.7,867.6 145.5,108.8 182.3,108.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1134.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2679120536677,37.81614837810696]}},{"type":"Feature","properties":{"resourceCoords":[541.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27196839095998,37.81568551091247]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p43","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0043","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1443.7,1902.7 921.0,1903.0 921.0,1908.8 540.3,1889.1 180.7,1874.2 150.2,1792.2 78.0,1760.3 79.0,633.8 145.0,479.2 64.3,366.1 131.9,132.4 85.5,83.1 921.0,59.7 921.0,48.0 1259.7,46.4 1517.8,45.4 1549.5,888.6 1640.0,888.7 1640.0,974.9 1423.0,976.2 1423.2,1016.0 1544.1,1015.5 1526.5,1901.7 1443.7,1902.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[921.0,1903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2945774,37.8173567]}},{"type":"Feature","properties":{"resourceCoords":[921.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.292247,37.8202462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p44","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0044","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.9,1906.2 120.0,1906.5 142.7,1014.6 21.0,1014.3 21.0,994.8 21.0,974.3 239.5,974.1 240.0,887.5 148.9,886.8 121.8,37.8 172.3,37.9 775.0,43.7 845.2,56.4 967.0,51.6 1141.9,57.8 1463.0,59.8 1479.6,28.2 1568.3,16.3 1593.0,16.0 1594.0,24.0 1634.0,24.0 1639.0,28.0 1641.0,712.0 1640.0,912.2 1629.2,914.5 1639.7,985.9 1464.7,1014.0 1502.5,1089.6 1550.4,1894.1 1478.0,1906.0 1377.1,1912.2 1395.3,1906.7 855.0,1910.8 162.9,1906.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2897152,37.8189597]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,1906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2907117,37.8154316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0045__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 | 1912 | sanborn00727_005 p45 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0045__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0045","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"428.5,1859.3 480.0,1866.9 979.7,1868.0 1139.7,1866.6 1334.9,1870.4 1604.9,1869.8 1595.8,1029.4 1603.8,1031.8 1580.4,151.4 1636.2,151.6 1636.6,89.2 1496.2,88.6 1496.5,17.2 1169.8,21.6 1152.6,80.0 1115.4,77.1 1105.1,149.9 926.0,127.2 941.2,211.9 757.0,1012.4 682.8,1003.3 601.9,980.2 566.4,980.5 412.1,1854.4 428.5,1859.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0045__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[403.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29185892139449,37.814079846304644]}},{"type":"Feature","properties":{"resourceCoords":[1594.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28924775578392,37.81349555900566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p46","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0046","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1511.4,1866.7 1439.6,1861.4 527.0,1854.0 93.2,1852.0 61.8,1852.0 54.3,1018.9 62.3,1021.3 40.7,148.4 96.0,148.7 96.5,86.9 973.1,90.7 1457.5,97.6 1457.3,158.7 1471.3,158.8 1495.9,782.0 1513.8,782.0 1541.3,1420.3 1557.5,1420.4 1528.5,1870.0 1511.4,1866.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[527.0,776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2875292,37.8151307]}},{"type":"Feature","properties":{"resourceCoords":[527.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2882,37.8132464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p47","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0047","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"176.0,1784.0 203.0,1338.5 186.9,1338.5 157.1,706.3 139.3,706.4 112.5,89.0 98.6,89.0 98.6,28.5 526.4,26.9 1074.0,29.9 1548.3,29.7 1548.5,663.3 1561.2,1089.7 1560.8,1887.4 1075.0,1883.8 649.1,1883.1 529.5,1860.7 232.7,1794.6 176.0,1784.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2843925,37.8144197]}},{"type":"Feature","properties":{"resourceCoords":[586.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2851354,37.8123647]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0048","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1306.9,1900.0 835.0,1897.0 110.5,1890.0 117.0,1091.4 107.5,664.5 112.2,30.2 708.5,36.5 922.0,22.0 992.0,22.0 992.1,21.7 996.7,21.6 997.0,22.0 1037.4,21.4 1036.1,54.7 1253.6,18.5 1352.3,17.2 1451.9,15.8 1514.7,20.2 1512.2,367.2 1507.5,614.9 1508.1,832.1 1504.0,1199.1 1502.3,1555.8 1527.8,1560.1 1518.8,1603.2 1530.8,1637.5 1551.5,1792.3 1553.0,1905.6 1493.1,1906.7 1306.9,1900.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[572.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28192263945773,37.81167054258754]}},{"type":"Feature","properties":{"resourceCoords":[106.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28296327126479,37.81189858933814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0049","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"280.5,1716.1 216.1,1363.0 152.2,999.2 111.2,784.5 70.0,538.7 8.2,195.0 1349.5,201.4 1394.2,201.9 1556.8,201.8 1566.7,546.2 1563.7,937.5 1564.8,1722.1 1394.7,1721.0 1106.3,1720.3 332.6,1715.1 280.5,1716.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1354.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27704020148201,37.811532909441766]}},{"type":"Feature","properties":{"resourceCoords":[270.0,1714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27967521353384,37.811767252576296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.52"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0005","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"327.4,19.9 1280.4,43.5 1632.5,154.7 1559.3,822.8 1554.8,823.0 1596.4,1308.5 1452.4,1443.0 1578.7,1517.1 959.1,1931.0 821.3,1929.9 588.0,1796.0 114.0,1796.0 118.3,1257.3 116.9,817.8 120.5,700.9 105.2,651.3 104.2,450.4 108.5,260.4 107.9,16.5 308.0,20.0 327.4,19.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[588.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.283068,37.8261056]}},{"type":"Feature","properties":{"resourceCoords":[114.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2841006,37.8258895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0050","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"459.2,1721.5 415.8,1721.8 128.2,1720.8 129.3,946.0 133.4,559.6 124.6,219.4 197.9,219.2 486.6,222.2 598.5,214.2 728.2,196.6 896.2,165.2 1279.2,68.7 1334.6,58.7 1391.3,289.5 1423.9,352.8 1431.0,418.1 1453.3,433.3 1570.5,880.6 1508.5,936.6 1640.8,1092.8 1640.7,1111.6 1640.4,1175.3 1586.3,1110.9 1596.7,1257.6 1614.8,1300.2 1612.7,1715.5 1420.2,1713.5 1045.9,1716.2 1045.8,1738.5 458.9,1745.1 459.2,1721.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27551668845558,37.813671953939306]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27204324203434,37.812317666872325]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27403221020857,37.809088614514934]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27750565662981,37.810442901581915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0051","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"639.5,145.7 1104.9,149.1 1125.5,131.3 1190.9,141.7 1260.9,126.6 1500.1,132.0 1466.2,1746.9 1464.0,1810.2 199.8,1801.5 209.9,1738.4 213.5,424.8 215.9,292.3 219.4,250.3 228.3,185.6 220.1,78.7 266.2,72.3 411.6,100.7 334.8,136.3 414.8,158.4 601.2,70.7 639.5,145.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27375577026628,37.80983833753076]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27302195338638,37.812839424603844]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.26861448865371,37.812157228816154]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2693483055336,37.80915614174308]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052__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 | 1912 | sanborn00727_005 p52 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"},{"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":"4577.2"},{"label":"split_canvas_w","value":"6672.0"},{"label":"split_canvas_h","value":"3218.8"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.7,1819.0 568.4,1818.8 612.2,1839.7 1083.2,1830.5 1127.1,1843.6 1580.9,1838.3 1583.8,1799.5 1566.7,1248.8 604.0,1237.9 604.0,1230.3 265.0,1230.2 98.7,1819.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,1230.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2966922,37.8068472]}},{"type":"Feature","properties":{"resourceCoords":[265.0,1230.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2974303,37.8070182]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052__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 | 1912 | sanborn00727_005 p52 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"6672.0"},{"label":"split_canvas_h","value":"4577.2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1305.3,67.9 1287.3,37.0 1241.5,52.8 108.9,56.0 113.0,1066.3 605.6,1065.3 1032.4,1065.9 1340.2,1068.7 1543.0,1066.2 1541.3,655.3 1553.7,619.6 1605.9,580.6 1366.3,171.8 1305.3,67.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0052__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1543.0,1066.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2774387,37.8210609]}},{"type":"Feature","properties":{"resourceCoords":[113.0,1066.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.280554,37.8217749]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0053","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"948.7,1777.7 218.8,1771.3 138.0,1760.2 143.2,1463.2 146.8,766.4 149.2,369.4 147.5,150.1 1631.1,178.9 1619.5,204.0 1536.8,1616.7 1509.9,1713.5 1295.1,1786.2 948.7,1777.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[143.0,1270.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26859945056322,37.81346619903436]}},{"type":"Feature","properties":{"resourceCoords":[143.0,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26820352523107,37.815067657878856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p54","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0054","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"280.4,1792.8 199.3,1775.6 191.0,500.0 188.2,71.7 268.4,81.8 992.3,80.0 1335.9,84.4 1412.7,455.2 1294.5,1056.2 1329.1,1223.5 1381.5,1220.3 1380.5,1402.9 1229.0,1509.8 1272.8,1720.7 1093.1,1659.3 904.0,1698.5 867.2,1850.2 787.4,1904.7 784.8,1927.0 280.4,1792.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[705.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2676658,37.8123945]}},{"type":"Feature","properties":{"resourceCoords":[193.0,816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2691609,37.811276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p55","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0055","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.4,1596.2 105.2,544.5 63.5,491.8 83.8,426.4 101.2,443.2 138.3,422.8 148.8,166.6 106.5,50.2 472.0,68.1 859.0,91.0 859.0,85.0 1390.4,88.5 1491.1,88.1 1480.2,964.1 1511.5,964.3 1515.0,1413.9 1519.7,1414.0 1518.0,1851.0 860.8,1844.8 860.8,1829.4 657.1,1831.8 483.6,1829.7 479.2,1849.7 226.5,1863.2 245.5,1794.0 182.0,1778.9 102.7,1778.5 82.3,1859.0 63.4,1596.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1518.0,1851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2954503,37.8140029]}},{"type":"Feature","properties":{"resourceCoords":[1518.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2932971,37.8167163]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p56","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0056","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"866.1,1851.4 201.0,1847.0 202.3,1409.7 197.7,1409.6 193.7,959.6 162.4,959.5 172.6,82.7 199.5,82.5 899.2,87.8 1410.8,84.2 1508.4,969.0 1525.4,969.1 1523.2,1411.7 1523.5,1849.8 866.1,1851.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[201.0,1847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2954503,37.8140029]}},{"type":"Feature","properties":{"resourceCoords":[865.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.292009,37.8160655]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p57","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0057","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"302.6,1387.1 298.9,1235.7 291.8,966.8 131.2,963.8 61.4,962.5 181.9,542.7 305.9,119.5 356.9,126.7 850.8,125.4 1008.9,123.2 1201.8,126.2 1500.0,124.0 1500.0,968.0 1506.5,968.0 1492.7,1808.4 1324.9,1808.8 299.7,1809.3 302.6,1387.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1500.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2896978,37.8119862]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2891587,37.8134631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p58","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0058","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"659.9,1818.2 577.7,1812.7 431.3,1814.8 287.2,1810.5 132.2,1823.1 129.6,1823.1 145.6,974.0 139.0,974.0 141.0,121.2 578.1,121.3 1497.5,124.9 1564.0,129.5 1536.7,976.3 1513.4,976.2 1510.9,1378.3 1506.1,1819.5 659.9,1818.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1013.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2877806,37.8115533]}},{"type":"Feature","properties":{"resourceCoords":[139.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2896978,37.8119862]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p59","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0059","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"245.7,1762.7 100.7,1762.5 104.3,1320.7 105.9,918.1 129.2,918.0 154.5,70.0 160.3,70.3 235.4,84.2 537.9,150.7 659.7,173.2 1093.4,172.7 1588.2,175.0 1583.7,914.6 1583.0,1762.0 1070.2,1761.3 599.5,1762.6 267.6,1762.7 267.2,1818.6 245.4,1818.6 245.7,1762.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1092.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2845245,37.8108131]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.283984,37.8091051]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p60","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0060","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.3,1837.0 1520.3,1817.7 1386.1,1773.3 1068.7,1769.2 1030.0,1768.8 122.0,1757.2 112.0,1757.3 110.4,913.7 112.8,177.4 846.5,175.0 1324.4,171.8 1513.0,176.1 1516.5,984.7 1577.7,1017.0 1578.8,1471.6 1580.3,1837.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,918.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.282425,37.8103267]}},{"type":"Feature","properties":{"resourceCoords":[577.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2819492,37.8116164]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p61","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0061","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"348.1,1779.8 586.4,1777.2 1068.3,1766.8 1487.7,1759.3 1485.2,1791.9 1611.9,1771.0 1620.2,948.4 1589.4,949.9 1596.6,891.6 1608.9,516.9 1593.3,235.4 1592.4,155.1 1548.6,156.2 1088.3,162.9 800.0,168.1 26.0,178.8 1.0,179.8 1.0,225.8 18.8,255.5 71.1,403.7 95.9,515.0 37.1,528.5 194.5,1316.7 260.3,1336.5 348.1,1779.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.0,1362.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2786725,37.808937]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2767022,37.8097957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p62","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"27"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0062","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1646.7,1429.8 1647.2,1612.8 1414.8,1771.8 834.5,1769.1 834.5,1766.8 462.8,1762.3 463.4,1780.0 228.7,1765.0 255.1,949.3 224.1,950.1 232.6,891.8 253.4,514.9 244.0,231.3 244.6,174.6 840.4,170.3 840.5,147.6 1220.5,146.5 1415.9,149.4 1411.3,1364.4 1477.2,1364.2 1580.0,1430.2 1646.7,1429.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1414.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2744475,37.808657]}},{"type":"Feature","properties":{"resourceCoords":[836.0,1364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2763199,37.8080077]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063__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 | 1912 | sanborn00727_005 p63 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"},{"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":"6672.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.7,1882.3 208.2,1930.8 601.9,1930.2 646.9,1899.7 647.0,1890.0 1315.9,1901.0 1418.5,1640.5 1324.4,1528.0 1201.3,1377.9 1160.4,1365.3 693.1,808.7 745.4,793.0 721.9,758.1 515.4,510.3 309.8,267.7 289.4,189.0 250.8,195.7 185.2,203.4 82.8,238.8 78.8,663.4 67.5,1882.0 133.7,1882.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[647.0,1890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2739548,37.8070852]}},{"type":"Feature","properties":{"resourceCoords":[77.0,866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2741132,37.809193]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063__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 | 1912 | sanborn00727_005 p63 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3245.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3426.4"},{"label":"split_canvas_h","value":"6440.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1315.1,1493.1 1322.0,1519.2 1335.2,1534.6 1375.2,1527.7 1521.2,1521.2 1515.8,1499.2 1612.5,752.8 1522.0,97.9 1016.5,95.3 936.1,98.9 1012.6,393.9 1095.2,695.3 1151.3,885.5 1315.1,1493.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0063__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1570.0,848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2690331,37.8077823]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1521.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2697405,37.8066518]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p64","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0064","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1549.1,1697.3 1549.1,1035.3 1544.1,826.7 1542.8,498.1 1545.8,177.4 1481.4,167.2 138.7,166.6 3.4,164.4 1.0,164.2 1.0,248.5 140.0,536.0 279.4,831.0 293.6,871.1 238.5,873.2 555.2,1536.5 592.1,1559.2 674.7,1737.3 752.8,1740.1 1494.8,1742.3 1548.8,1744.1 1549.1,1697.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1549.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2700816,37.807596]}},{"type":"Feature","properties":{"resourceCoords":[140.0,536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2728605,37.8094279]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0065__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 | 1912 | sanborn00727_005 p65 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6672.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0065__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0065","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1515.2,1363.9 1513.1,940.0 1513.0,62.0 1456.5,50.5 1310.2,50.2 1137.5,49.0 1133.2,68.9 881.9,83.7 900.4,14.7 841.4,1.0 757.9,1.0 738.2,80.2 793.6,103.4 631.8,634.9 542.8,673.9 180.0,667.6 72.2,718.5 186.1,1836.5 127.0,1909.0 149.0,1948.0 162.3,1948.0 181.3,1948.0 201.5,1871.3 891.3,1869.4 1125.8,1868.3 1372.2,1868.0 1372.2,1869.4 1513.0,1870.0 1515.2,1363.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0065__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1513.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2989602,37.8118599]}},{"type":"Feature","properties":{"resourceCoords":[1513.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2967231,37.8146466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p66","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0066","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.4,1879.2 164.9,1886.5 166.0,1375.3 163.0,947.0 161.0,60.1 821.8,61.5 1490.0,61.5 1492.0,516.4 1490.6,943.5 1499.0,1374.2 1500.1,1878.7 455.1,1879.2 216.4,1879.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[163.0,947.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2978092,37.8132933]}},{"type":"Feature","properties":{"resourceCoords":[828.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2976721,37.8112275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p67","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0067","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.0,927.5 100.0,896.0 57.8,896.5 214.3,80.0 280.6,73.6 281.3,87.2 369.8,198.0 1038.2,113.9 1418.7,240.5 1502.4,192.9 1502.5,225.4 1579.5,245.3 1584.2,937.8 1586.2,1173.2 1586.0,1420.7 1586.0,1562.0 1593.3,1613.2 1593.7,1832.6 1096.0,1824.7 1096.0,1820.9 600.8,1840.1 600.7,1836.1 103.5,1834.3 102.0,1605.8 97.7,1565.0 97.2,1224.9 100.5,1224.9 100.0,927.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[100.0,896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3020939,37.8102365]}},{"type":"Feature","properties":{"resourceCoords":[1586.0,1562.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2989602,37.8118599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p68","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0068","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.4,1852.8 59.6,519.8 66.9,519.7 63.5,132.9 560.3,133.7 560.3,137.6 1055.1,117.4 1055.1,121.1 1552.3,128.0 1552.4,145.8 1556.8,1183.3 1563.9,1649.1 1570.1,1708.3 1609.0,1838.3 314.8,1851.5 64.4,1852.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[572.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.296314,37.8084136]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2976721,37.8112275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p69","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0069","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"895.4,1837.9 1315.0,1712.6 1384.1,1700.5 1452.7,1702.9 1641.8,1743.0 1606.6,1609.0 1486.8,1217.4 1359.2,811.0 1241.1,400.2 1194.2,254.2 1112.1,1.0 1107.6,1.0 953.5,38.2 885.3,56.9 222.0,63.0 224.1,519.9 222.8,948.9 231.3,1381.4 232.5,1888.2 703.8,1882.8 763.6,1876.8 895.4,1837.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[892.0,1381.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2944885,37.810707]}},{"type":"Feature","properties":{"resourceCoords":[222.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2941616,37.813354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006__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 | 1912 | sanborn00727_005 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"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":"6652.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.5,656.4 76.3,1144.6 84.4,1591.2 121.4,1701.0 187.5,1662.7 486.0,1479.7 1044.6,1143.3 1116.0,1143.3 1193.5,1143.1 1480.9,952.3 1540.9,787.9 1494.0,469.3 1372.5,450.8 1295.8,241.4 1182.0,143.4 1012.5,92.6 995.1,21.1 970.0,21.0 969.0,3.0 971.7,1.0 945.0,1.0 389.0,259.3 386.5,255.6 10.0,529.9 10.0,539.0 79.9,558.7 76.5,656.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[493.0,1427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27886651994005,37.827807267827204]}},{"type":"Feature","properties":{"resourceCoords":[82.0,1144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27975789947025,37.827234775830405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006__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 | 1912 | sanborn00727_005 p6 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2399.2"},{"label":"split_canvas_y","value":"3697.6"},{"label":"split_canvas_w","value":"4252.8"},{"label":"split_canvas_h","value":"4098.4"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1014.8 1540.5,1014.5 973.1,1354.4 669.9,1539.3 668.9,1570.3 667.2,1654.8 1015.0,1851.2 1018.9,1897.6 1444.6,1863.2 1441.3,1836.9 1557.7,1895.2 1602.2,1073.7 1641.9,1047.5 1641.9,1014.8 1613.0,1014.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1004.5,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27759805397194,37.82756153091235]}},{"type":"Feature","properties":{"resourceCoords":[1004.5,1340.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27876564590758,37.82782924016895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0007","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.0,1503.2 23.3,1251.5 56.7,1144.4 76.6,1082.7 237.4,1085.0 500.2,86.7 592.0,86.0 1086.5,89.4 1534.6,87.2 1570.8,84.8 1572.1,121.0 1572.0,1045.1 1574.7,1113.9 1581.1,1666.0 1580.1,1826.7 1580.2,1832.7 1256.0,1933.4 727.0,1934.0 725.0,1948.0 724.0,1934.0 636.3,1934.1 594.3,1914.3 594.4,1889.8 473.8,1761.3 428.9,1761.7 367.1,1934.5 280.7,1934.6 21.9,1782.2 35.2,1722.5 101.0,1503.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,1082.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2868362,37.8234793]}},{"type":"Feature","properties":{"resourceCoords":[592.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2884979,37.8250176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0070","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.0,1772.8 245.7,1274.2 611.8,32.5 1044.7,33.9 1113.5,42.2 1177.8,64.0 1345.2,156.1 1347.3,881.4 1348.6,1443.2 1367.8,1443.2 1353.3,1927.7 1294.1,1927.8 392.6,1907.8 392.8,1900.3 58.8,1896.6 96.0,1772.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[402.0,1892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29666651918649,37.80685711830315]}},{"type":"Feature","properties":{"resourceCoords":[606.0,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29506300470081,37.809988258722775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p71","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0071","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"262.3,1085.0 264.5,946.5 254.4,537.2 240.8,111.6 1278.3,96.0 1450.7,93.0 1448.8,159.5 1461.8,1062.2 1446.4,1062.5 1458.9,1801.8 1442.6,1802.2 974.3,1806.7 279.8,1818.3 262.3,1085.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[255.0,535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29314352540092,37.810383507609046]}},{"type":"Feature","properties":{"resourceCoords":[255.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.293984817611,37.80819889534898]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p72","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0072","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1018.0,1806.0 334.2,1811.5 124.0,1814.6 117.6,1077.2 133.0,1077.0 127.5,176.6 130.0,110.3 284.8,96.4 428.7,99.4 575.0,96.1 657.1,100.8 1502.5,94.8 1647.1,94.1 1647.2,107.6 1647.2,149.9 1504.8,150.9 1511.7,953.2 1510.0,1009.3 1515.9,1801.8 1321.4,1805.7 1018.0,1806.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[133.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2908634,37.8088438]}},{"type":"Feature","properties":{"resourceCoords":[1018.0,1806.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2893964,37.8071303]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p73","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0073","type":"ImageService3","width":1664,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.0,1035.3 111.8,980.0 108.4,188.8 342.0,188.2 597.3,188.2 597.2,132.7 1060.2,130.5 1564.7,130.2 1574.5,130.1 1641.0,131.0 1641.3,165.0 1641.5,185.8 1573.6,186.0 1571.9,976.1 1578.0,976.0 1584.5,1816.0 1294.5,1817.2 346.4,1818.2 112.5,1816.8 110.0,1035.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2872111,37.8066302]}},{"type":"Feature","properties":{"resourceCoords":[1578.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.284501,37.8076122]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p74","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0074","type":"ImageService3","width":1677,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1537.9,1766.3 1538.2,1829.2 1476.9,1828.7 1042.9,1821.8 483.2,1826.2 122.5,1825.8 118.3,975.7 112.1,975.8 116.1,176.2 184.8,176.2 184.5,120.8 1025.2,134.4 1063.9,135.1 1064.3,135.1 1381.3,140.2 1515.4,185.2 1518.8,1059.8 1516.1,1111.8 1572.8,1126.6 1543.3,1346.1 1536.1,1460.1 1537.9,1766.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1527.0,673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28121159782172,37.807434319982804]}},{"type":"Feature","properties":{"resourceCoords":[114.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28451057457652,37.8076138470159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p75","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0075","type":"ImageService3","width":1677,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"303.2,1705.7 290.8,1592.1 282.1,1370.8 223.7,1366.0 217.4,1314.2 63.8,452.9 126.2,461.9 63.2,101.8 303.1,104.9 788.2,105.8 1210.3,108.4 1207.0,141.1 1335.0,123.1 1335.4,111.2 1570.0,126.5 1582.0,545.7 1575.6,545.9 1570.7,1382.9 1585.2,1383.0 1576.7,1812.6 1560.7,1812.4 1268.6,1809.1 923.7,1809.5 817.5,1835.7 771.9,1856.9 666.9,1931.4 644.2,1931.4 604.1,1931.3 667.4,1851.6 695.4,1797.2 320.4,1801.0 303.2,1705.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[774.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27997080598547,37.8069086212708]}},{"type":"Feature","properties":{"resourceCoords":[61.0,531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28101233382597,37.80816303935199]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p76","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0076","type":"ImageService3","width":1677,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1600.8,1800.4 1600.0,1376.3 1600.6,954.2 1600.5,901.6 1599.7,533.5 1598.1,1.0 1201.9,1.0 1201.0,9.0 1171.2,9.2 1027.0,109.2 449.3,109.9 449.3,107.7 79.2,105.4 94.9,540.3 88.5,540.5 89.7,1373.9 104.2,1374.0 98.9,1801.8 373.3,1803.0 451.1,1802.7 972.1,1798.2 1079.2,1800.5 1600.8,1800.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[453.0,1376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2780133,37.8052888]}},{"type":"Feature","properties":{"resourceCoords":[453.0,530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2771503,37.8066648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077__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 | 1912 | sanborn00727_005 p77 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.84"},{"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":"3351.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077","type":"ImageService3","width":1677,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"646.2,1829.5 649.3,1800.0 641.1,634.0 636.5,634.0 637.0,62.6 218.0,65.0 219.3,637.5 226.3,1801.6 226.5,1841.8 270.9,1814.0 646.2,1829.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[645.9,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2716226,37.8036339]}},{"type":"Feature","properties":{"resourceCoords":[218.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2756525,37.8043639]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077__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 | 1912 | sanborn00727_005 p77 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3298.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3410.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077","type":"ImageService3","width":1677,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1021.2,630.2 1025.9,630.2 1027.8,1800.0 1024.5,1829.6 1444.8,1849.2 1444.0,1552.1 1443.8,55.5 1077.2,56.9 1024.9,57.0 1021.2,630.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0077__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1444.1,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2736087,37.8052699]}},{"type":"Feature","properties":{"resourceCoords":[1024.4,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2716226,37.8036339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0078__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 | 1912 | sanborn00727_005 p78 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"},{"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":"6708.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0078__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0078","type":"ImageService3","width":1677,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.5,1563.7 131.1,1864.1 446.4,1882.3 1100.9,1773.5 1395.0,1814.2 1573.7,1772.0 1568.3,1620.0 1559.9,1569.2 1548.1,1517.0 1365.2,806.5 1348.4,731.1 1236.0,825.4 975.2,723.4 984.9,54.4 975.1,54.3 938.9,1.0 705.9,1.0 705.0,9.0 687.9,9.0 687.5,53.4 150.1,49.9 133.5,1563.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0078__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2736087,37.8052699]}},{"type":"Feature","properties":{"resourceCoords":[977.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2727812,37.8066207]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p79","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0079","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"251.3,1795.5 254.9,1756.8 247.3,1206.3 259.8,1206.7 277.7,714.2 258.2,714.1 260.5,144.5 956.8,151.9 1426.2,160.3 1428.1,188.9 1421.4,1192.1 1442.5,1192.3 1446.6,1764.3 1422.6,1764.3 875.7,1762.8 846.8,1806.3 622.2,1799.4 289.8,1795.9 251.3,1795.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1439.0,1188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29198617707145,37.80579503532627]}},{"type":"Feature","properties":{"resourceCoords":[244.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29398565266402,37.8081422950039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p8","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0008","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.5,49.9 582.2,51.3 1072.2,55.8 1534.0,53.0 1639.0,112.5 1639.2,416.6 1624.6,406.4 1512.0,511.7 1375.1,1106.7 1492.4,1175.5 731.0,1863.0 725.0,1873.0 321.1,1633.7 84.1,1856.2 83.5,1781.8 85.6,1621.9 83.1,1072.2 81.0,1003.7 87.5,83.7 86.5,47.6 117.5,49.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[725.0,1873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2838259,37.8225165]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.283068,37.8261056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p80","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0080","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.6,1784.6 811.5,1789.0 977.2,1787.9 1135.3,1804.0 1517.3,1807.2 1645.6,1807.2 1645.0,1788.0 1645.0,1745.4 1533.4,1746.3 1546.8,1196.0 1517.0,1195.3 1527.6,172.1 1339.3,171.6 1037.5,165.0 357.1,155.1 131.6,153.2 133.3,181.6 123.0,1174.7 143.9,1175.0 145.8,1741.2 122.0,1741.2 1.0,1740.4 1.0,1783.6 146.6,1784.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1014.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29006036794578,37.80535460362095]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28834097070288,37.80692537460941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p81","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0081","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.0,166.0 352.7,167.5 1320.2,166.5 1592.7,165.5 1597.4,1715.3 1615.0,1715.1 1617.5,1774.2 622.4,1766.5 622.6,1731.6 285.0,1752.8 286.2,1816.5 258.4,1817.0 256.6,1754.5 143.9,1757.5 147.2,1201.0 117.0,1200.8 108.6,166.1 114.0,166.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0081/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2883032,37.8068833]}},{"type":"Feature","properties":{"resourceCoords":[1104.0,166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2861458,37.8063881]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p82","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0082","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.4,1802.5 111.3,1719.6 93.5,1719.7 98.0,143.7 121.8,143.8 491.7,145.3 1065.6,142.6 1510.6,151.0 1507.9,1516.2 1520.6,1693.0 1530.3,1775.0 1445.7,1790.5 1317.7,1799.5 595.8,1799.5 206.9,1802.0 114.4,1802.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[572.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28407291083714,37.80588853686612]}},{"type":"Feature","properties":{"resourceCoords":[1038.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28307257539808,37.80566396543665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p83","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0083","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"278.1,1870.5 336.8,1846.4 364.4,1920.0 545.8,1846.7 642.4,1827.4 738.7,1821.5 1265.8,1824.9 1363.6,1834.5 1654.5,1836.6 1653.8,1812.2 1651.5,1734.7 1609.3,1734.6 1617.9,157.6 1616.0,128.9 1538.2,129.1 1247.5,126.7 956.4,124.5 612.7,126.2 506.9,152.8 461.6,174.1 357.2,248.8 294.6,248.9 357.4,169.2 385.1,114.8 11.4,120.2 49.3,325.5 60.6,387.2 1.0,397.2 1.0,400.8 7.3,435.7 27.0,435.0 27.0,456.0 21.0,457.0 21.0,467.0 13.1,468.1 235.2,1703.6 278.1,1870.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1609.0,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27889514984024,37.803913340031514]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.27846602832105,37.80460350389266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p84","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0084","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"264.8,1846.5 262.4,1743.3 219.7,1743.0 237.2,148.4 235.4,119.3 762.8,119.5 871.3,122.7 1399.2,127.3 1397.8,559.3 1397.6,608.0 1395.2,931.6 1394.8,984.8 1390.6,1409.0 1389.3,1785.3 1391.6,1838.1 575.5,1832.0 433.4,1849.2 329.7,1847.2 283.5,1846.7 279.6,1846.6 264.8,1846.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2788674,37.8039009]}},{"type":"Feature","properties":{"resourceCoords":[817.0,121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2772663,37.8041389]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085__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 | 1912 | sanborn00727_005 p85 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"3369.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"221.1,1606.3 220.4,1707.2 220.3,1723.8 220.0,1776.2 269.5,1776.5 319.6,1776.9 360.1,1777.2 602.1,1200.5 587.2,1200.3 298.9,624.0 358.1,624.5 643.6,1147.5 644.4,1007.5 648.4,574.1 650.0,52.4 602.1,52.2 535.2,51.6 283.4,49.4 231.0,48.9 221.1,1606.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27727309283168,37.801953198805776]}},{"type":"Feature","properties":{"resourceCoords":[842.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27642907563643,37.80333458993714]}},{"type":"Feature","properties":{"resourceCoords":[842.3,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27241063741657,37.80178002038425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27325465461182,37.80039862925289]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085__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 | 1912 | sanborn00727_005 p85 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3320.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3372.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.8,1827.4 1452.1,1152.5 1452.0,1147.3 1161.1,622.0 1101.2,622.0 1395.1,1201.2 1410.2,1201.2 1167.3,1785.5 1075.7,1785.7 1025.5,1785.8 1025.5,1829.5 1450.8,1827.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0085__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1028.8,622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2757602,37.8018288]}},{"type":"Feature","properties":{"resourceCoords":[1453.2,622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2753321,37.8025135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086__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 | 1912 | sanborn00727_005 p86 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"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":"3346.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"214.2,1801.9 583.5,1801.3 632.7,1778.3 632.6,625.0 634.6,574.5 634.1,57.1 213.9,60.0 215.3,573.8 213.9,1000.5 213.9,1143.6 214.2,1801.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[213.9,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2753321,37.8025135]}},{"type":"Feature","properties":{"resourceCoords":[213.9,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2765137,37.8029775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086__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 | 1912 | sanborn00727_005 p86 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3282.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3389.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1447.2,1844.5 1447.2,1804.0 1447.2,630.0 1449.2,52.6 1024.8,53.9 1025.4,579.7 1023.3,631.0 1023.4,1803.0 1026.4,1832.3 1352.2,1903.0 1447.2,1844.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0086__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1447.2,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2744685,37.8038947]}},{"type":"Feature","properties":{"resourceCoords":[1447.2,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2720567,37.8029476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p88","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.04"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0088","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"360.2,229.7 1207.8,190.7 1259.2,188.3 1248.0,144.0 1281.2,136.0 1339.3,121.9 1459.8,620.1 1374.0,642.0 1391.8,712.6 1455.2,970.3 1493.0,1123.6 1544.0,1250.0 1642.5,1560.1 1642.0,1711.0 1644.9,1864.3 1581.0,1809.7 1349.8,1899.3 1178.3,1845.8 1062.4,1723.0 412.3,1888.8 241.8,1880.7 177.7,1796.7 164.4,212.1 336.7,161.6 360.2,229.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0088/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1374.0,642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3026709,37.809504]}},{"type":"Feature","properties":{"resourceCoords":[1248.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3020939,37.8102365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p89","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0089","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.4,643.1 110.8,575.5 193.1,574.5 193.3,98.0 436.9,98.3 436.9,101.6 779.0,101.9 820.1,97.7 1439.6,95.2 1440.0,134.3 1442.4,417.0 1519.4,1151.4 1632.0,1517.0 1574.0,1534.2 1645.1,1779.2 1609.2,1802.1 1363.0,1790.6 1234.1,1616.0 359.2,1854.1 231.6,1723.0 116.5,1778.5 104.3,1761.7 87.8,1738.8 152.2,1463.5 131.2,1161.9 112.8,1036.5 111.4,643.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0089/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1444.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3001246,37.8081778]}},{"type":"Feature","properties":{"resourceCoords":[106.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3020939,37.8102365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p9","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0009","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1224.2,288.6 1489.2,364.6 1485.3,462.5 1483.1,952.1 1489.3,1400.1 1526.0,1510.4 1195.2,1700.4 1208.7,1624.3 700.5,1923.5 689.2,1930.2 571.7,1930.0 517.8,1930.0 495.4,1925.2 498.0,1448.0 184.0,1447.9 178.1,1447.9 184.1,956.8 163.2,956.8 194.3,464.9 229.4,16.5 273.8,11.2 497.1,76.8 497.1,87.5 1225.6,432.3 1224.2,288.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[498.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2803787,37.8255063]}},{"type":"Feature","properties":{"resourceCoords":[498.0,1448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2792935,37.825259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p90","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0090","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"220.4,1153.1 150.0,419.3 150.0,137.1 150.0,105.3 1490.1,118.3 1487.8,390.0 1486.8,519.9 1485.2,1126.0 980.1,1263.5 996.9,1323.3 767.8,1391.8 329.6,1519.0 220.4,1153.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[150.0,599.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.3001246,37.8081778]}},{"type":"Feature","properties":{"resourceCoords":[150.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2995169,37.8089472]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0092/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p92","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0092/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0092","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"898.6,1794.5 448.0,1857.6 187.2,1789.8 140.8,1623.3 178.2,497.1 150.8,426.8 98.0,441.5 101.2,184.7 162.2,185.0 622.3,186.8 863.5,185.7 864.4,123.0 1392.2,133.8 1344.9,286.8 1404.3,319.8 1429.8,368.0 1426.6,853.4 1419.0,1718.3 1458.3,1718.6 1408.5,1930.7 1371.3,1930.7 898.6,1794.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0092/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1198.0,846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29902764096471,37.80495110631502]}},{"type":"Feature","properties":{"resourceCoords":[914.0,1707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.30017401015297,37.80359926084973]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p93","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0093","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"597.2,97.9 1070.4,92.9 1365.3,92.9 1560.4,95.7 1568.0,950.0 1503.0,949.7 1506.5,1808.6 1217.1,1741.5 836.6,1812.2 641.2,1775.8 494.5,1586.7 424.2,1583.7 338.4,1230.7 119.0,1169.3 168.8,950.0 130.0,950.0 131.0,97.5 597.2,97.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[130.0,950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2990759,37.8033365]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.29589,37.8026144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p94","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0094","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"477.1,92.3 735.3,92.2 775.7,92.2 1196.7,96.3 1422.0,94.0 1423.7,94.2 1473.4,939.9 1410.3,940.9 1530.0,1091.2 1504.3,1485.7 1598.8,1754.4 1544.2,1887.4 1102.3,1790.8 682.3,1875.1 456.4,1769.8 207.9,1827.0 200.0,1825.2 191.2,957.3 256.9,957.2 244.0,94.0 477.1,92.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[244.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2953638,37.8041136]}},{"type":"Feature","properties":{"resourceCoords":[1422.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2927857,37.8035159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095__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 | 1912 | sanborn00727_005 p95 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3860.0"},{"label":"split_canvas_w","value":"6672.0"},{"label":"split_canvas_h","value":"3936.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"796.8,1834.2 1220.3,1838.3 1447.0,1836.0 1446.5,1137.0 844.6,1145.7 619.6,1142.7 286.5,1145.0 254.5,1145.2 258.9,1836.0 262.0,1836.0 496.5,1834.2 796.8,1834.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[262.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2953638,37.8041136]}},{"type":"Feature","properties":{"resourceCoords":[1447.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2927857,37.8035159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095__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 | 1912 | sanborn00727_005 p95 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"6672.0"},{"label":"split_canvas_h","value":"3860.0"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.1,200.3 1111.6,202.4 1068.2,189.1 601.7,194.9 558.5,173.9 93.3,170.8 47.4,322.8 106.5,355.1 132.1,402.7 132.0,884.0 601.0,885.0 1077.0,880.5 1373.7,880.9 1566.9,884.0 1567.6,200.3 1561.1,200.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0095__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[132.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2985319,37.8048282]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2953638,37.8041136]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0096/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p96","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0096/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0096","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.3,1737.4 200.8,1736.9 156.7,898.3 155.0,898.0 158.7,209.2 821.8,203.6 987.1,199.9 1145.1,213.6 1526.1,211.0 1528.1,671.6 1538.0,753.4 1527.2,1755.0 1526.0,1755.0 1480.0,1931.2 1478.8,1931.2 1473.5,1828.2 1291.1,1865.1 943.4,1756.4 257.4,1868.3 256.0,1887.2 138.3,1737.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0096/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[155.0,898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2927857,37.8035159]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2902974,37.8013312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p97","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0097","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1085.1,1752.7 652.6,1752.1 572.6,1749.8 188.0,1751.4 110.3,1751.7 122.6,749.2 112.8,667.3 111.4,206.3 323.2,203.4 598.6,199.1 599.0,156.5 1581.3,168.7 1582.1,190.9 1589.7,190.8 1576.9,600.7 1576.1,821.4 1580.2,821.5 1579.7,922.4 1577.5,1757.7 1085.1,1752.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0097/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1097.0,903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28757851238363,37.80232114597533]}},{"type":"Feature","properties":{"resourceCoords":[1097.0,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28810072852177,37.80087495275809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0098/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p98","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0098/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0098","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1478.5,1763.0 937.2,1761.5 580.6,1758.3 114.8,1757.0 119.6,917.2 112.3,917.2 120.3,815.8 116.2,815.6 117.8,593.8 131.8,181.6 214.5,181.3 594.1,179.6 1298.8,180.9 1423.8,172.4 1506.4,157.4 1516.0,261.2 1522.3,512.2 1523.9,1709.8 1539.0,1765.3 1478.5,1763.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0098/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2855012783785,37.80184735022509]}},{"type":"Feature","properties":{"resourceCoords":[1523.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.28342641306003,37.801384892432566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0099/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, California | 1912 | sanborn00727_005 p99","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T22:25:54Z","modified":"2026-10-17T22:25:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0099/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0099","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"483.7,1770.6 259.1,597.5 206.3,352.8 177.5,252.9 153.5,176.2 212.2,151.6 240.2,225.1 421.4,150.7 518.0,130.7 614.4,124.2 1142.2,124.4 1240.2,133.4 1546.1,133.8 1595.7,133.8 1519.7,399.0 1499.0,548.0 1498.8,959.5 1494.7,1006.1 1498.8,1812.8 922.6,1812.3 617.0,1813.0 508.8,1822.2 483.7,1770.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364om:g4364om_g00727191201:00727_01_1912-0099/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2817715,37.8016057]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.280592,37.8011408]}}]}}]}