{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00656_057.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Los Angeles, California | 1950 | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"},{"label":"pages","value":"116"},{"label":"placed","value":"111"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 68, georef 41, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p0__1 (tier 3, 34.03145,-118.32574 +/-423m); p0__2 (tier 3, 34.03145,-118.32574 +/-423m); p0__3 (tier 1, 34.03118,-118.32613 +/-100m); p847__1 (tier 1, 34.05186,-118.31482 +/-109m); p869__1 (tier 1, 34.03286,-118.34333 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0801/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p801","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0801/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0801","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.7,1716.9 136.8,1598.2 108.2,1435.8 205.0,1281.6 149.4,706.0 157.2,632.4 231.1,610.6 270.2,234.8 941.7,201.9 1135.8,256.6 1133.8,754.1 1135.0,1255.1 1133.4,1758.5 252.0,1757.0 248.4,2020.9 220.1,2021.0 246.7,1716.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0801/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[252.0,751.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3102884,34.0762442]}},{"type":"Feature","properties":{"resourceCoords":[252.0,1757.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3125095,34.0762333]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0802/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p802","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0802/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0802","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1146.0,257.0 1149.0,762.4 1145.4,1267.0 1144.7,1780.1 1102.3,1786.9 267.0,1787.0 267.9,1277.2 266.0,769.8 267.4,266.0 287.0,271.5 1139.0,200.7 1200.5,256.6 1146.0,257.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0802/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[267.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3125013,34.0746214]}},{"type":"Feature","properties":{"resourceCoords":[1146.0,257.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091571,34.0730467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0803/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p803","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0803/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0803","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"165.7,1774.2 169.4,1260.5 176.0,755.1 176.0,249.0 230.6,248.9 243.4,260.7 888.0,140.3 1208.3,278.2 1235.0,272.6 1228.5,763.9 1218.0,1767.0 1218.0,1784.9 1171.3,1793.6 1008.5,1804.6 604.8,1802.9 462.2,1797.9 461.3,1779.8 165.6,1777.9 165.7,1774.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0803/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[176.0,249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091571,34.0730467]}},{"type":"Feature","properties":{"resourceCoords":[1218.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3124379,34.0711392]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0804/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p804","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0804/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0804","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1307.4,559.6 1295.9,1092.0 1286.8,1317.9 1277.7,1715.0 1277.5,1877.4 91.7,1864.5 92.5,1673.2 106.3,679.1 114.3,192.2 355.6,142.2 1312.0,184.4 1307.4,559.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0804/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1296.0,744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31036025205697,34.068972908164874]}},{"type":"Feature","properties":{"resourceCoords":[1296.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31285098295005,34.068944255500234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0805/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p805","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0805/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0805","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"205.1,254.3 331.5,136.2 442.3,225.5 938.9,190.3 1153.5,280.1 1174.0,276.9 1177.3,776.6 1172.8,1336.7 1171.6,1946.2 689.5,1943.5 166.0,1946.0 164.7,1783.6 169.7,1386.7 176.5,1160.8 182.6,628.5 183.4,253.5 205.1,254.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0805/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1173.0,1384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3116069,34.0671487]}},{"type":"Feature","properties":{"resourceCoords":[1173.0,255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091258,34.0671564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0806/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p806","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0806/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0806","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1255.1,258.6 1260.2,503.6 1259.2,1390.8 1250.0,1950.0 250.2,1947.5 253.0,1337.5 259.0,777.0 257.0,276.9 1082.6,151.9 1238.2,167.7 1261.9,258.7 1255.1,258.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0806/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1250.0,1950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.312834,34.0653288]}},{"type":"Feature","properties":{"resourceCoords":[256.0,255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091258,34.0671564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0807/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p807","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0807/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0807","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1183.6,741.6 1190.4,1303.2 1178.0,1867.0 173.8,1868.2 184.0,1308.0 186.7,419.2 182.0,173.8 188.8,173.8 194.1,194.3 937.5,133.6 1184.8,211.3 1183.6,741.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0807/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[184.0,1308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.311606,34.0653186]}},{"type":"Feature","properties":{"resourceCoords":[1178.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3128136,34.0635054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0808/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p808","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0808/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0808","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1184.3,1358.0 1186.2,1813.9 1185.3,2037.0 1141.0,2037.0 1132.7,1860.0 914.6,1859.6 172.3,1862.6 180.6,1300.6 169.7,740.9 167.0,212.2 186.3,218.2 578.9,151.9 1146.5,165.2 1172.2,165.8 1170.4,347.1 1175.2,442.3 1170.7,623.8 1189.0,665.0 1183.8,1302.5 1184.3,1358.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0808/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[172.0,1307.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.311591803437,34.063506793313174]}},{"type":"Feature","properties":{"resourceCoords":[172.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31282116287107,34.063506037846146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0809/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p809","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0809/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0809","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.8,130.2 380.5,101.1 1056.3,80.7 1261.7,145.1 1266.1,1016.2 1265.5,1888.6 723.1,1887.0 142.4,1887.0 101.0,1887.0 100.6,976.8 102.8,220.9 142.8,130.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0809/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[760.0,1887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3156973,34.0730424]}},{"type":"Feature","properties":{"resourceCoords":[101.0,1887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3171422,34.0730391]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0810/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p810","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0810/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0810","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"707.5,1907.8 284.7,1906.0 250.0,1905.0 253.0,1035.0 250.9,166.3 260.7,169.4 609.1,97.2 940.3,126.0 940.4,154.5 1205.4,157.9 1204.2,1043.0 1203.6,1871.2 1210.3,1913.3 1175.0,1912.8 707.5,1907.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0810/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.0,1035.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3136013,34.074631]}},{"type":"Feature","properties":{"resourceCoords":[253.0,1035.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3145929,34.0746265]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0811/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p811","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"29"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0811/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0811","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.3,31.8 159.0,502.0 158.0,927.1 157.0,962.0 154.9,1505.9 154.4,2016.8 165.0,2017.0 168.0,2024.0 830.0,2028.0 831.0,2037.0 1205.8,2037.0 1207.8,1505.0 1210.7,865.8 1212.5,174.3 1211.4,1.0 1206.3,1.0 1165.0,9.0 1003.0,21.0 601.0,22.0 459.0,18.0 458.1,1.0 163.6,1.0 163.3,31.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0811/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[157.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.314589,34.0730421]}},{"type":"Feature","properties":{"resourceCoords":[1211.0,811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3142502,34.0711341]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0812/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p812","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0812/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0812","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1331.8,47.0 1331.6,416.6 1327.5,772.5 1330.2,1062.3 1325.1,1325.7 1323.5,1596.1 1320.6,1986.2 131.1,1978.7 131.5,1930.7 136.8,1361.0 143.2,726.3 148.7,39.6 1331.8,47.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0812/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,1957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31707993625491,34.07112664101379]}},{"type":"Feature","properties":{"resourceCoords":[136.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31288996131555,34.07115872869698]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0813/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p813","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0813/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0813","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"164.4,1815.6 166.0,1546.5 171.1,1284.3 168.3,995.9 172.4,641.7 172.6,273.8 692.6,274.2 1171.5,279.6 1172.0,516.7 1165.2,880.6 1159.5,1776.0 1160.6,1813.4 164.4,1815.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0813/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[169.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3151868,34.0689667]}},{"type":"Feature","properties":{"resourceCoords":[1162.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3151665,34.067147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0814/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p814","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0814/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0814","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1174.4,1778.7 208.0,1785.0 206.4,1747.2 199.9,843.1 201.8,475.6 198.0,236.2 1200.0,228.0 1201.8,752.6 1205.5,1113.9 1207.9,1779.3 1174.4,1778.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0814/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[208.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.316236,34.0671414]}},{"type":"Feature","properties":{"resourceCoords":[1200.0,228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.312834,34.0653288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0815/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p815","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0815/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0815","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1109.1,44.0 1104.2,217.4 1126.5,348.8 1182.5,541.8 1269.8,766.9 1301.3,900.7 1312.5,1014.8 1302.8,1130.4 1244.4,1360.2 1115.0,1760.0 1008.4,1779.2 963.2,1805.2 920.4,1884.4 885.2,1925.9 818.2,1966.9 743.4,1986.7 79.7,1977.0 88.6,1578.8 99.3,917.9 102.7,559.0 111.1,37.9 1109.1,44.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0815/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,1779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31664052239711,34.063498843071976]}},{"type":"Feature","properties":{"resourceCoords":[99.0,594.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31406080290904,34.065335273675274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0816/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p816","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0816/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0816","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1079.2,1769.6 881.7,1761.9 585.4,1756.9 239.4,1757.3 366.3,1356.5 423.2,1126.2 432.1,1010.5 420.1,896.4 387.8,762.7 299.0,538.1 241.8,345.4 218.6,214.1 222.3,40.6 962.8,43.6 1180.4,45.8 1187.2,222.4 1231.4,223.8 1231.3,228.2 1208.3,298.4 1205.3,674.1 1211.7,675.9 1210.1,854.7 1204.2,956.0 1208.2,1064.7 1196.4,1343.4 1196.0,1824.2 1192.0,1822.6 1079.2,1769.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0816/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1204.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31669273515317,34.061684115127186]}},{"type":"Feature","properties":{"resourceCoords":[215.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31285878425827,34.063518451889884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0817/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p817","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0817/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0817","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.8,1344.9 181.7,547.4 184.4,153.8 1194.2,151.0 1189.3,644.5 1186.5,1263.2 1180.4,1871.2 796.3,1862.7 174.4,1854.0 174.8,1344.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0817/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[181.0,545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31711495862922,34.06896703329517]}},{"type":"Feature","properties":{"resourceCoords":[181.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31625074595954,34.068973209979816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0818/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p818","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0818/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0818","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1211.5,551.6 1215.0,850.0 1215.5,1200.6 1223.2,1865.1 228.8,1871.7 224.4,1267.1 216.6,652.1 213.0,161.5 1177.5,151.0 1210.9,151.5 1211.5,551.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0818/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1215.0,850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3177664,34.0653301]}},{"type":"Feature","properties":{"resourceCoords":[224.0,1210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3185379,34.0671379]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0819/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p819","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0819/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0819","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"867.6,468.1 942.5,446.5 1009.2,403.6 1043.7,360.9 1085.2,280.2 1130.2,252.9 1237.2,231.1 1220.1,327.2 1206.6,769.2 1194.0,1780.7 207.6,1792.3 201.0,1125.0 201.0,773.0 198.0,473.4 867.6,468.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0819/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[201.0,1125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.318536,34.0653346]}},{"type":"Feature","properties":{"resourceCoords":[201.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3177664,34.0653301]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0820/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p820","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0820/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0820","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1216.3,690.3 1212.0,1038.4 1200.0,1415.5 1191.0,1787.8 207.2,1790.0 228.1,788.7 245.2,351.3 262.9,256.2 608.2,253.2 904.0,256.0 1101.2,262.2 1214.2,314.2 1216.3,690.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0820/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[221.0,1127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3185207,34.0635209]}},{"type":"Feature","properties":{"resourceCoords":[1208.0,1127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3185178,34.0617152]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0821/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p821","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0821/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0821","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"363.0,20.0 363.5,11.7 541.0,17.0 819.0,21.0 842.7,20.6 1375.8,38.0 1372.7,401.5 1360.2,1023.1 1347.7,2007.5 68.1,1990.3 82.3,1983.5 31.1,967.1 31.8,912.6 84.6,697.8 51.1,138.7 98.2,24.0 363.0,20.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0821/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[678.0,38.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32445159687471,34.06892277890569]}},{"type":"Feature","properties":{"resourceCoords":[1352.0,1989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32287607045889,34.06536416682987]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0822/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p822","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0822/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0822","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.8,52.5 570.7,41.2 702.3,39.6 1374.0,39.5 1374.4,646.5 1371.5,1021.4 1375.3,1997.7 83.0,2006.1 71.2,1030.2 68.2,413.9 62.3,53.5 108.8,52.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0822/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[81.0,1021.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32287627038879,34.06715470096974]}},{"type":"Feature","properties":{"resourceCoords":[731.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32140988110702,34.06893320160256]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0823/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p823","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0823/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0823","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1114.1,1962.5 46.9,1922.2 47.0,1905.4 56.1,1908.5 36.3,713.1 105.0,369.0 56.1,75.2 100.9,53.3 1378.2,56.6 1369.1,1724.9 1360.8,1895.0 1380.0,1967.7 1114.1,1962.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0823/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[702.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3243705,34.0636545]}},{"type":"Feature","properties":{"resourceCoords":[702.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3243866,34.065323]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0824/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p824","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0824/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0824","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"445.2,2015.0 380.2,1974.8 66.9,1965.5 46.6,1893.0 52.5,1722.7 38.2,53.0 1340.7,44.4 1351.2,1016.5 1360.5,1995.6 1200.4,1993.5 1167.3,2009.8 1130.2,1993.5 1030.5,1990.3 632.5,1980.5 488.6,1977.4 522.6,1993.9 517.3,2037.0 499.6,2028.4 445.2,2015.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0824/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[705.0,998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3214183,34.0635856]}},{"type":"Feature","properties":{"resourceCoords":[705.0,1982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3214315,34.061777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0825/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p825","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0825/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0825","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.2,1110.4 50.6,908.3 36.1,200.4 32.8,53.6 1280.1,91.6 1287.0,647.4 1290.9,647.5 1319.7,1166.8 1327.0,1167.2 1332.1,1628.7 1078.2,1627.8 602.7,1626.3 398.6,1625.6 389.8,1625.5 56.4,1624.5 50.2,1110.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0825/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[67.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32837923593787,34.044707931984334]}},{"type":"Feature","properties":{"resourceCoords":[67.0,1635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32627747862576,34.04400856665115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0826/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p826","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0826/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0826","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"783.6,1630.4 661.8,1635.5 422.7,1634.1 135.3,1632.5 131.3,1170.2 123.9,1169.8 96.4,649.7 92.5,649.5 87.0,93.0 555.2,108.4 547.6,89.1 865.5,101.8 1286.8,118.8 1293.5,707.4 1319.5,708.6 1314.0,1283.8 1319.3,1284.0 1292.5,1923.5 1114.6,1921.8 1110.9,2037.0 1107.8,2037.0 1103.2,2037.0 1071.9,1921.0 988.5,1626.4 928.0,1627.5 864.0,1628.6 787.9,1650.7 783.6,1630.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0826/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[719.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32673276721707,34.04780860198377]}},{"type":"Feature","properties":{"resourceCoords":[966.0,1629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32457359657566,34.047582381360186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0827/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p827","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0827/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0827","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.8,1303.7 92.5,1303.5 62.1,708.9 74.0,708.9 71.6,83.1 704.0,86.0 704.0,160.4 1353.3,133.0 1350.0,715.7 1351.8,715.7 1351.6,1314.2 1353.4,1314.2 1376.9,1882.3 931.4,1883.3 404.1,1884.7 136.1,1885.4 118.8,1303.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0827/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.0,709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3268412,34.0502142]}},{"type":"Feature","properties":{"resourceCoords":[704.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3280849,34.050673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0828/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p828","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0828/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0828","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1373.0,1209.0 1369.0,1341.0 1367.0,1497.0 1370.0,1507.0 1377.2,1506.5 1375.9,1519.6 1369.0,1520.0 1368.0,1575.0 1370.3,1575.1 1368.0,1598.0 1369.0,1699.0 1373.0,1700.0 1375.0,1739.0 1373.9,1917.1 864.3,1922.5 67.8,1926.5 42.9,1362.5 41.1,1362.5 39.5,768.4 37.8,768.3 39.4,189.8 950.7,148.6 1342.3,149.4 1377.0,149.5 1377.0,183.0 1377.2,202.7 1377.0,203.0 1378.0,472.0 1378.9,488.9 1377.0,489.0 1377.0,536.0 1381.5,536.2 1381.2,560.0 1377.0,560.0 1377.0,598.0 1380.6,598.0 1380.3,620.5 1376.0,621.0 1376.0,660.0 1379.8,660.1 1379.5,681.9 1376.0,682.0 1375.0,705.0 1379.0,716.4 1378.1,778.0 1378.2,874.0 1378.2,882.3 1378.3,960.1 1370.0,962.0 1370.0,982.0 1376.0,983.0 1376.0,1015.0 1378.3,1015.4 1378.4,1043.8 1375.0,1044.0 1375.0,1067.0 1378.4,1067.3 1378.4,1070.1 1375.0,1071.0 1375.0,1121.0 1378.5,1122.5 1378.5,1143.4 1375.0,1144.0 1375.0,1164.0 1378.5,1164.6 1378.6,1208.5 1373.0,1209.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0828/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1355.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32389440717476,34.05303357188508]}},{"type":"Feature","properties":{"resourceCoords":[1355.0,146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32631624545857,34.053934075830306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0829/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p829","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0829/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0829","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6.2,1280.8 10.0,1280.0 12.0,1242.0 8.6,1241.4 8.8,1238.9 16.0,1238.0 16.0,1222.0 10.0,1219.4 13.2,1167.5 8.5,735.8 9.5,493.3 5.4,429.0 1.2,105.6 11.2,105.5 624.2,107.0 702.5,102.8 1046.0,98.1 1304.0,98.9 1268.8,717.5 1292.2,717.5 1258.4,1324.0 1256.8,1324.0 1263.8,1867.2 1193.4,1868.2 1059.7,1870.2 976.7,1871.2 915.6,1866.4 15.6,1878.0 14.9,1699.4 6.5,1558.1 14.8,1466.2 4.5,1456.8 4.9,1300.4 6.2,1280.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0829/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[634.0,103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32571337668873,34.0550153473539]}},{"type":"Feature","properties":{"resourceCoords":[29.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3227422083565,34.05266987561333]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0830/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p830","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0830/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0830","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"799.0,97.0 836.9,97.3 1263.2,102.9 1358.0,317.0 1292.9,717.4 1296.8,717.5 1313.8,1313.4 1319.6,1313.4 1320.0,1338.6 1320.0,1340.0 1328.7,1844.1 1300.9,1844.6 863.1,1852.7 796.5,1853.0 89.5,1860.0 84.4,1317.0 86.0,1316.9 122.0,710.9 98.5,710.7 135.8,92.5 799.0,97.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0830/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[836.0,1312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3220316,34.0563626]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3226056,34.0579276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0831/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p831","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0831/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0831","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.6,212.8 1273.8,222.9 1296.5,329.4 1312.6,730.9 1304.1,1251.0 1306.3,1718.5 565.5,1732.2 141.0,1739.9 131.4,1207.2 125.5,1207.2 108.0,609.0 104.1,609.0 169.0,207.0 171.6,212.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0831/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[336.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32260153028464,34.05795400013119]}},{"type":"Feature","properties":{"resourceCoords":[202.0,222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32348344963712,34.05802120181444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p832 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5592.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"10.7,221.9 32.5,328.3 45.7,729.0 33.3,1247.9 32.1,1714.3 100.9,1714.6 310.7,1714.5 437.7,1714.4 541.4,1714.3 973.6,1435.2 973.9,1395.0 1035.8,1395.0 1274.3,1240.9 1361.2,1198.2 1351.8,1198.3 1270.0,1198.7 1224.8,1199.0 1230.5,709.5 1308.2,709.5 1378.6,695.0 1379.0,682.0 1397.0,670.5 1374.0,660.0 1374.0,619.0 1375.3,618.8 1336.2,525.4 1182.7,153.0 1140.7,52.0 561.1,226.9 10.7,221.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1402.0,711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32027910193928,34.06172919821877]}},{"type":"Feature","properties":{"resourceCoords":[1236.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32141031257643,34.06181911637521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p832 [2]","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":"3874.8"},{"label":"split_canvas_y","value":"5580.0"},{"label":"split_canvas_w","value":"1717.2"},{"label":"split_canvas_h","value":"2572.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1375.0,1907.0 1383.2,1906.5 1381.6,1901.3 1376.0,1901.0 1376.0,1883.7 1228.6,1415.3 1209.8,1425.0 1171.3,1450.7 1060.2,1438.1 1009.5,1925.5 1135.4,1937.2 1295.5,1952.0 1324.1,1949.7 1377.5,1944.5 1375.0,1907.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0832__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[968.7,1395.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.32058960434527,34.061313002241974]}},{"type":"Feature","properties":{"resourceCoords":[1398.0,1395.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.32028757438646,34.06205612567566]}},{"type":"Feature","properties":{"resourceCoords":[1398.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.31895563060222,34.06167932634797]}},{"type":"Feature","properties":{"resourceCoords":[968.7,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.31925766056104,34.06093620291428]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0833/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p833","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0833/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0833","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"844.2,1946.3 131.0,1637.2 159.2,1575.6 295.5,1273.8 337.5,1180.8 262.6,680.4 226.7,663.8 251.8,608.4 210.5,332.1 207.4,237.0 268.6,100.2 291.7,4.5 665.3,17.1 1010.1,22.1 1341.0,20.9 1366.0,26.0 1381.1,24.2 1187.9,471.5 1163.5,527.5 1203.9,527.7 1261.2,528.1 1260.8,1011.3 1255.3,1011.3 1260.3,1498.7 1268.8,1498.8 1289.4,1982.2 1074.2,1977.2 977.9,1974.9 914.5,1967.4 844.2,1946.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0833/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[743.0,1490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31813801041696,34.058988398524555]}},{"type":"Feature","properties":{"resourceCoords":[846.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31791893301494,34.06165586548826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0834/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p834","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0834/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0834","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"322.6,1986.0 788.1,1991.0 1320.3,1986.7 1319.4,1492.7 1314.6,1216.4 1282.6,943.7 1278.9,527.2 1274.2,439.0 1282.3,274.1 1309.5,135.4 1324.7,88.5 1341.2,26.3 1165.0,28.0 1065.0,24.0 958.0,30.0 683.1,23.6 209.2,32.1 22.8,480.0 1.0,533.6 1.0,536.0 39.5,535.8 96.6,535.4 102.6,1017.0 97.1,1017.1 108.5,1502.8 116.9,1502.7 143.9,1984.2 322.6,1986.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0834/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-9.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31722553630289,34.06079850666752]}},{"type":"Feature","properties":{"resourceCoords":[-412.0,1496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31814860870837,34.05899764693131]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0835/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p835","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0835/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0835","type":"ImageService3","width":1391,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1093.5,1995.6 568.2,1995.4 129.8,1997.4 127.2,1501.3 121.5,1223.8 88.5,950.0 83.4,531.7 78.3,443.1 86.0,277.6 112.8,138.2 127.9,91.0 146.0,22.1 517.9,16.8 587.8,38.0 813.5,35.7 1263.7,27.6 1275.7,27.3 1285.8,562.2 1275.4,562.5 1327.4,1102.2 1291.8,1102.9 1290.0,1993.2 1093.5,1995.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0835/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[607.0,1978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31322220324651,34.05808057613912]}},{"type":"Feature","properties":{"resourceCoords":[1059.0,1978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.312215754886,34.05806950655833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0836/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p836","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0836/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0836","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1238.7,2037.0 1228.8,2037.0 1228.0,1985.0 758.1,1988.0 260.8,1984.1 75.2,1984.3 86.3,1104.2 121.5,1103.8 75.9,569.7 86.2,569.6 81.8,40.6 124.1,40.1 746.6,43.2 786.9,25.1 964.0,29.0 1057.0,24.0 1234.0,25.1 1232.8,82.0 1291.1,240.9 1295.5,1954.2 1253.8,2037.0 1238.7,2037.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0836/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1228.0,562.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.309097,34.0606844]}},{"type":"Feature","properties":{"resourceCoords":[1228.0,1985.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091052,34.0580291]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0837/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p837","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0837/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0837","type":"ImageService3","width":1391,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"268.9,1762.8 308.9,1890.0 356.8,1869.0 724.4,1855.6 1315.1,1835.0 1321.5,1338.2 1326.5,1338.0 1308.2,738.0 1306.3,738.1 1325.5,119.8 969.5,118.0 445.8,115.5 185.1,114.3 178.8,757.4 1.0,761.4 1.0,793.7 4.8,918.1 15.4,951.9 21.0,969.4 53.3,1071.7 76.0,1145.5 41.9,1142.8 21.6,1143.7 88.4,1294.0 125.5,1398.1 222.2,1613.6 268.9,1762.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0837/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[138.0,1362.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32251807266094,34.04742909153443]}},{"type":"Feature","properties":{"resourceCoords":[-9.0,747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32388758205687,34.04763194826565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0838/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p838","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0838/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0838","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1300.6,1805.1 95.4,1851.7 100.0,1357.5 104.9,1357.3 84.5,760.8 82.7,760.8 99.4,146.0 977.8,147.3 1105.4,146.8 1113.9,741.5 1098.1,741.5 1181.7,1160.4 1203.3,1221.5 1297.7,1445.4 1326.9,1559.5 1314.0,1560.0 1313.0,1599.0 1319.0,1611.0 1333.5,1610.7 1357.8,1800.9 1300.6,1805.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0838/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1229.0,1340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32055231925534,34.05133063379339]}},{"type":"Feature","properties":{"resourceCoords":[1081.0,750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32187886790014,34.05151869998433]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0839/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p839","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0839/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0839","type":"ImageService3","width":1391,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"186.2,198.7 235.3,180.4 603.7,188.2 1220.0,202.1 1237.2,721.0 1243.3,720.9 1249.0,1237.8 1230.5,1238.0 1249.1,1799.6 1015.5,1802.4 765.1,1803.2 694.5,1828.2 686.4,1806.5 612.1,1608.8 496.9,1292.2 380.6,978.0 267.4,530.0 147.1,213.8 186.2,198.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0839/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[316.0,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3201137,34.0472172]}},{"type":"Feature","properties":{"resourceCoords":[483.0,1254.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.318903,34.0471703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0840/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p840","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0840/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0840","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.0,1256.9 139.4,1256.8 135.0,742.2 128.9,742.2 113.1,225.5 1298.2,255.3 1355.7,254.7 1357.3,473.4 1364.4,776.5 1372.2,1253.8 1372.8,1627.2 1331.0,1629.0 1333.0,1679.0 1372.8,1679.0 1373.3,1804.7 687.5,1810.8 138.0,1816.1 121.0,1256.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0840/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31674187677616,34.049148186807166]}},{"type":"Feature","properties":{"resourceCoords":[730.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31898276369944,34.049829248428246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0841/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p841","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0841/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0841","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1312.4,149.2 1373.5,155.6 1388.0,155.8 1378.8,159.0 1372.4,679.2 1370.8,725.5 1371.3,725.4 1364.0,1282.8 1361.3,1456.5 1361.7,1551.4 1380.3,1584.8 1378.1,1677.1 1362.5,1679.4 1363.3,1770.5 315.6,1802.7 265.9,1806.7 243.3,1614.5 222.8,1602.5 237.2,1562.7 208.9,1447.3 115.9,1220.3 94.7,1158.4 14.6,734.7 30.6,734.8 28.1,134.5 411.1,136.8 1312.4,149.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0841/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[146.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32061848101405,34.051364802362464]}},{"type":"Feature","properties":{"resourceCoords":[1361.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31956898409634,34.05339251553501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0842/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p842","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0842/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0842","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.7,233.2 1126.5,218.8 1136.8,218.8 1380.8,376.4 1380.0,414.0 1400.0,415.0 1400.0,433.0 1377.0,435.0 1377.0,471.0 1400.0,472.0 1400.0,493.0 1377.0,495.0 1377.0,537.0 1400.0,539.0 1400.0,559.0 1377.0,562.0 1377.0,582.0 1381.0,599.0 1400.0,600.0 1400.0,620.0 1380.0,622.0 1382.0,659.0 1400.0,662.0 1400.0,669.0 1391.0,670.0 1391.0,684.0 1385.0,685.0 1385.2,688.3 1326.6,701.1 1292.0,730.9 1202.5,730.3 1195.4,729.9 1127.5,744.8 1127.8,764.0 1126.7,859.7 1134.9,968.5 1174.1,1148.3 1219.3,1267.5 1338.0,1521.7 1373.0,1596.4 771.4,1755.2 482.3,1766.7 110.8,1803.4 110.5,1783.8 105.5,1658.3 65.7,1659.8 61.9,1609.9 103.5,1606.7 89.3,1233.7 64.1,757.2 46.0,454.7 36.4,236.3 85.7,233.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0842/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[84.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31742827895317,34.05059675613226]}},{"type":"Feature","properties":{"resourceCoords":[1166.0,218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31859810732956,34.053130717226026]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0843/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p843","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0843/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0843","type":"ImageService3","width":1405,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"16.0,1544.0 16.0,1574.0 2.0,1574.9 15.4,1598.0 16.0,1598.0 20.0,1606.0 19.0,1697.0 3.7,1699.4 4.2,1722.3 12.0,1723.0 10.0,1764.0 5.1,1764.5 5.6,1789.2 15.8,1788.8 395.1,2017.8 453.0,2017.0 607.0,2026.0 864.0,2028.0 865.0,2037.0 1404.0,2037.0 1404.0,1681.0 1363.4,1698.1 1359.8,1282.2 1349.1,1278.3 1348.4,726.9 1361.7,726.6 1361.3,195.4 1042.0,198.1 976.3,197.8 208.6,197.7 76.7,197.9 9.0,197.8 9.0,200.0 1.0,200.9 1.0,1174.1 10.0,1175.0 10.0,1203.0 1.0,1203.9 1.0,1234.1 9.0,1235.0 9.0,1255.0 1.0,1255.9 1.0,1423.0 14.0,1424.0 14.0,1441.0 1.0,1444.7 1.0,1486.1 15.0,1487.0 15.0,1506.0 1.0,1507.0 1.0,1543.1 16.0,1544.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0843/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[38.0,1778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31862286526949,34.05312617703299]}},{"type":"Feature","properties":{"resourceCoords":[38.0,181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32186837892996,34.054321276263266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0844/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p844","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0844/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0844","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.3,1724.3 78.4,1742.6 69.8,1322.0 58.9,1318.3 51.5,760.5 65.0,760.1 58.2,222.8 172.5,220.5 622.7,211.8 1359.8,197.4 1379.0,985.2 1389.5,1058.9 1400.0,1091.0 1400.0,1217.5 176.8,1393.8 317.6,1700.8 281.0,1814.4 344.0,1952.9 226.4,1983.9 209.3,2037.0 177.6,2037.0 124.0,2037.0 120.3,1724.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0844/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[303.0,1654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31755927655286,34.05585679522564]}},{"type":"Feature","properties":{"resourceCoords":[1337.0,201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31951499666462,34.05867254675293]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0845/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p845","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0845/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0845","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1358.8,89.8 1340.0,187.8 1314.0,359.9 1314.8,605.5 1310.0,1120.0 1324.5,1119.7 1392.0,1148.7 1392.0,1180.6 1392.0,1455.0 1310.7,1543.2 1309.5,1882.6 119.7,1527.2 66.3,1642.6 70.0,1611.6 72.3,1513.5 81.6,1111.7 93.0,636.0 95.7,92.0 1315.2,91.0 1313.3,130.1 1313.5,199.0 1332.8,90.4 1353.5,89.8 1358.8,89.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0845/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[93.0,636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3154757,34.0580582]}},{"type":"Feature","properties":{"resourceCoords":[1310.0,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3165263,34.0558491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0846/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p846","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0846/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0846","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1039.0,1853.7 1134.7,1832.0 1256.9,1622.7 1278.2,1575.7 1309.0,1571.0 1302.5,1522.6 1338.1,1422.0 1375.0,1219.6 1371.0,1081.5 1311.6,749.5 1305.0,714.5 1185.7,25.4 1086.0,24.0 912.3,28.5 671.1,72.1 164.6,157.1 167.4,171.2 150.4,243.7 1.0,270.2 1.0,393.1 47.1,422.6 25.3,505.3 26.3,505.5 48.0,423.1 100.3,456.6 1.0,878.6 1.0,1741.8 21.8,1780.3 1.9,1868.2 1.0,1871.5 1.0,1945.4 19.0,1949.0 112.9,1970.7 221.7,1986.2 406.9,1986.3 533.9,1967.6 809.5,1905.6 1039.0,1853.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0846/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31660526090617,34.05598781634638]}},{"type":"Feature","properties":{"resourceCoords":[1507.0,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3142542874283,34.052446535585965]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0847__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p847 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2218.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3354.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0847__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0847","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"750.6,1562.2 876.6,1633.8 976.0,1710.0 1133.9,1846.8 1273.8,1908.2 1380.5,1935.4 1374.1,1876.0 1363.5,1352.8 1352.2,778.3 1340.3,358.0 1338.9,213.2 1316.5,214.8 1310.1,1.0 1278.4,1.0 1251.2,42.9 1099.9,230.1 1002.8,237.0 852.1,247.6 784.2,866.0 691.5,1138.8 592.0,1499.7 629.3,1513.5 750.6,1562.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0847__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1350.0,1972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3145880727379,34.049354936053334]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31450782164252,34.052569829208416]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0848/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p848","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0848/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0848","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.7,1952.8 818.0,1941.0 1232.2,1932.2 1330.8,1929.3 1329.0,1909.0 1331.0,1881.0 1376.0,1879.0 1357.2,783.5 1352.0,712.0 1246.1,684.2 1107.5,622.2 951.4,485.1 853.1,408.7 728.4,336.6 608.1,287.4 552.9,266.4 332.7,911.0 82.0,1646.0 1.0,1876.8 1.0,1953.7 52.7,1952.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0848/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[818.0,1941.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3157418,34.0471722]}},{"type":"Feature","properties":{"resourceCoords":[1352.0,712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3145192,34.0494208]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0849/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p849","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0849/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0849","type":"ImageService3","width":1386,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.1,1952.9 150.3,1261.2 149.7,1241.0 43.1,1222.0 110.8,1221.9 149.1,1223.7 148.7,28.9 585.8,34.2 1109.5,43.3 1290.6,44.1 1313.4,1226.2 1315.4,1226.2 1290.0,1987.9 1108.0,1987.9 617.9,1981.7 147.5,1988.0 147.1,1952.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0849/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[619.0,1221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3132252,34.0558539]}},{"type":"Feature","properties":{"resourceCoords":[619.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3132349,34.0580482]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0850/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p850","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0850/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0850","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"722.4,2008.4 344.7,2005.2 109.8,2013.7 68.8,2006.7 60.3,2006.7 83.1,1234.2 81.1,1234.2 53.4,35.6 258.4,35.8 767.0,41.0 1247.7,39.1 1248.3,92.3 1273.9,92.4 1331.5,214.8 1287.2,510.6 1339.1,1538.4 1272.6,1996.8 1280.0,2008.4 722.4,2008.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0850/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1253.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3090937,34.05584]}},{"type":"Feature","properties":{"resourceCoords":[767.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3101636,34.0580258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0851/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p851","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0851/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0851","type":"ImageService3","width":1394,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.9,21.3 142.3,355.9 122.6,491.6 52.0,683.1 1.0,773.5 1.0,1038.4 22.5,1037.3 20.8,1182.0 23.9,1602.2 23.5,1806.5 25.0,1807.0 24.0,1824.0 23.5,1824.0 23.5,1830.0 29.0,1830.0 30.0,1860.0 24.0,1861.0 23.4,1861.9 23.4,1872.5 33.0,1875.0 33.0,1893.0 23.4,1894.4 23.3,1936.5 51.0,1942.0 53.0,1992.0 23.2,2004.1 577.1,1986.2 577.1,1988.0 1117.1,1990.0 1318.6,1990.3 1327.9,1001.3 1332.5,1001.2 1304.2,17.6 1111.8,18.1 616.4,13.4 140.9,21.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0851/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1085.0,1002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.312185,34.0526374]}},{"type":"Feature","properties":{"resourceCoords":[1085.0,1990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3121839,34.0508289]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0852/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p852","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0852/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0852","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.5,1995.8 68.2,1007.8 72.8,1007.7 41.4,30.0 82.0,32.0 174.0,31.0 265.6,24.8 315.9,22.8 692.0,25.0 1247.3,23.4 1306.4,114.7 1322.2,482.8 1279.2,865.7 1317.9,1498.8 1233.1,1995.0 754.6,1996.2 256.4,1995.5 62.5,1995.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0852/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[751.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3101384,34.0526403]}},{"type":"Feature","properties":{"resourceCoords":[1238.0,1995.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3090679,34.0508236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0853/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p853","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0853/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0853","type":"ImageService3","width":1394,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.0,1990.3 32.0,1981.0 31.8,1978.1 32.0,1978.0 31.1,1942.6 72.1,1941.7 76.8,863.1 73.2,792.6 68.7,734.3 72.8,253.2 79.0,253.0 78.0,203.0 73.3,203.0 74.6,53.8 617.0,40.3 617.0,42.1 1145.7,48.1 1355.1,50.1 1326.0,779.6 1368.4,796.0 1357.5,868.5 1350.5,1997.2 709.5,1992.3 75.0,1991.0 32.0,1990.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0853/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[713.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3130764,34.0495064]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1991.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3144932,34.0471804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0854/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p854","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0854/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0854","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.6,855.5 132.4,782.0 89.3,765.5 117.0,27.6 198.0,27.0 199.4,26.9 297.7,26.0 793.4,31.0 1269.5,34.0 1311.0,104.7 1347.0,1496.5 1307.8,1957.7 1234.3,1993.9 1250.2,2007.7 766.6,2006.2 117.2,2001.3 121.6,855.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0854/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1276.0,808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30905446005512,34.04939805259363]}},{"type":"Feature","properties":{"resourceCoords":[780.0,1993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31014206648163,34.047210381340264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p855 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5576.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855","type":"ImageService3","width":1394,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"685.0,117.4 619.3,344.6 339.3,1312.0 283.1,1506.3 188.8,1832.0 612.2,1947.4 773.3,1989.8 861.6,2003.8 914.6,2002.6 1349.2,1956.3 1327.3,1315.5 1288.4,936.5 1265.4,764.4 1267.7,687.0 1300.2,525.0 1286.5,123.7 731.7,1.0 712.8,1.0 685.0,117.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1298.0,1944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32386868288992,34.04357934257533]}},{"type":"Feature","properties":{"resourceCoords":[211.0,1830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32625813122114,34.04399717679179]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p855 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"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":"2825.2"},{"label":"split_canvas_h","value":"1497.2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855","type":"ImageService3","width":1394,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"700.7,19.9 631.7,18.9 529.7,18.1 524.5,18.1 512.3,18.0 478.6,17.8 323.5,15.2 31.1,13.8 16.0,69.2 1.0,124.1 1.0,203.2 533.1,322.9 534.2,364.3 574.2,364.3 574.9,369.7 601.5,373.2 700.7,19.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0855__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.32462903703643,34.04765477178368]}},{"type":"Feature","properties":{"resourceCoords":[706.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.32300189355033,34.04752141709547]}},{"type":"Feature","properties":{"resourceCoords":[706.3,374.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.32308655548002,34.04680216724638]}},{"type":"Feature","properties":{"resourceCoords":[0.0,374.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.32471369896612,34.046935521934586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0856/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p856","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0856/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0856","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"317.9,315.2 435.2,18.0 592.0,18.0 697.0,26.0 922.1,25.1 1070.1,42.2 1089.3,44.4 1118.0,51.0 1140.8,50.2 1196.5,56.6 1197.0,107.0 1196.3,408.7 1197.7,1075.5 1193.8,2030.0 977.2,2029.0 677.2,2028.6 162.2,2027.4 120.0,2027.3 167.1,1408.4 169.9,1039.6 166.1,871.6 176.5,797.3 225.1,645.0 251.4,299.1 317.9,315.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0856/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[687.0,1055.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32246376876249,34.04541358481747]}},{"type":"Feature","properties":{"resourceCoords":[154.0,1996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32367979040716,34.04360712938663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0857/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p857","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0857/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0857","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"553.4,2000.6 553.7,1974.0 1078.1,1977.9 1340.3,1978.2 1341.9,1978.2 1341.4,974.3 1327.8,974.2 1320.2,57.7 1134.8,55.0 809.6,52.0 372.9,1.0 36.0,1.0 36.0,10.8 34.5,318.6 44.0,319.0 43.0,370.0 34.5,370.6 33.9,998.7 27.0,1972.2 45.5,1987.2 202.5,1992.5 489.8,1996.6 553.4,2000.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0857/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[41.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32126898663067,34.04542342225541]}},{"type":"Feature","properties":{"resourceCoords":[41.0,1953.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3212479622889,34.043591472288114]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0858/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p858","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0858/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0858","type":"ImageService3","width":1403,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.9,1972.0 116.6,959.8 102.8,959.8 90.9,35.6 233.5,37.0 440.1,36.9 515.0,37.1 1272.5,39.1 1280.0,111.8 1280.0,1988.7 969.8,1990.0 416.4,1984.7 380.0,1984.9 215.6,1976.5 121.9,1972.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0858/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[380.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31772425448466,34.0435659318372]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31572249186173,34.04713337798944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0859/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p859","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0859/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0859","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"517.5,25.5 618.4,24.3 664.5,24.8 828.6,24.4 854.0,25.0 872.9,24.3 1306.0,23.2 1306.8,1988.9 665.2,1987.8 620.0,1987.5 115.0,1987.6 112.8,100.3 105.1,27.2 517.5,25.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0859/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[660.0,1006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31449543041875,34.04536565140924]}},{"type":"Feature","properties":{"resourceCoords":[660.0,1969.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31448774709571,34.043584556481136]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0860/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p860","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0860/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0860","type":"ImageService3","width":1403,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.0,32.5 684.8,32.0 1205.4,32.9 1210.0,33.0 1211.8,32.9 1325.3,33.1 1326.3,289.0 1325.0,789.1 1326.5,1269.4 1332.0,1975.9 692.6,1977.0 330.3,1980.2 51.2,1979.6 43.0,32.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0860/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[65.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3130123113333,34.04537175940008]}},{"type":"Feature","properties":{"resourceCoords":[65.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31301181320936,34.047171689359274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0861/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p861","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0861/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0861","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.9,474.6 176.2,597.0 221.7,622.0 366.2,948.2 353.4,999.5 432.1,1176.7 430.6,1308.1 490.1,1306.0 712.1,1805.0 806.8,2019.3 859.0,2022.2 916.1,2025.5 1185.5,1904.2 1357.1,1827.2 1331.0,36.3 1174.0,35.6 909.9,34.2 19.8,36.0 1.0,37.9 1.0,201.8 119.9,474.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0861/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[376.0,1059.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3272698535027,34.039870772245024]}},{"type":"Feature","properties":{"resourceCoords":[931.0,43.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32883630061811,34.04155485313622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0862/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p862","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0862/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0862","type":"ImageService3","width":1403,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"514.0,1693.2 498.0,1657.0 203.7,1789.7 78.8,1845.7 52.9,61.6 216.1,62.3 624.1,64.3 1302.0,64.3 1324.8,575.4 1344.3,1015.6 1353.3,1182.7 1375.3,1295.5 514.0,1693.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0862/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[498.0,1657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3248451,34.0417999]}},{"type":"Feature","properties":{"resourceCoords":[638.0,525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3270254,34.0428761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0863/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p863","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0863/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0863","type":"ImageService3","width":1390,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.2,1978.3 163.9,1882.1 161.0,1590.8 157.9,1270.1 154.4,950.6 193.6,950.5 174.8,11.9 202.2,14.1 635.6,12.2 679.8,11.9 1208.5,8.8 1208.8,71.5 1212.2,909.8 1217.8,1943.2 945.5,1944.8 753.9,1949.4 690.6,1974.3 164.9,1978.2 115.2,1978.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0863/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[680.0,938.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32366333599171,34.04182185759448]}},{"type":"Feature","properties":{"resourceCoords":[680.0,1957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32366713917618,34.03992332843066]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0864/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p864","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0864/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0864","type":"ImageService3","width":1403,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.3,1998.0 379.4,1993.7 365.2,1945.7 190.8,1948.8 182.0,916.1 175.8,78.4 175.4,26.5 675.0,20.0 676.0,24.0 724.0,26.0 807.9,27.6 808.0,28.0 811.0,27.6 882.0,29.0 1171.0,29.0 1190.0,33.0 1235.0,32.1 1235.1,77.1 1235.9,470.6 1240.5,971.4 1243.2,1434.3 1250.1,1968.2 1250.4,1995.0 202.1,2003.2 202.3,1998.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0864/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[714.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32126961563638,34.0418383144746]}},{"type":"Feature","properties":{"resourceCoords":[1246.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32007258684489,34.041833480770194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0865/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p865","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0865/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0865","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.6,1437.5 198.6,975.2 200.1,475.1 204.2,82.2 204.9,10.4 731.6,13.2 995.0,13.0 1089.9,17.8 1253.8,26.6 1283.6,26.5 1294.7,1973.4 1277.9,1973.3 1248.5,1973.5 1248.6,1980.6 1248.6,2003.1 822.8,1997.8 749.3,1992.3 530.5,1992.8 396.4,1978.1 395.3,1986.0 195.9,1985.2 195.9,1970.8 195.6,1437.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0865/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3188988,34.0427013]}},{"type":"Feature","properties":{"resourceCoords":[1256.0,475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3177115,34.0427086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0866/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p866","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0866/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0866","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1263.2,1967.2 147.8,1944.9 18.7,1942.8 37.4,37.5 43.6,37.6 583.0,52.5 885.4,56.8 1375.0,66.1 1406.0,66.9 1406.0,629.0 1385.0,628.0 1384.0,634.0 1336.0,637.0 1337.0,684.0 1386.0,682.0 1391.0,710.0 1404.3,710.9 1403.8,733.1 1386.0,734.0 1385.0,753.0 1390.0,754.0 1391.0,771.0 1396.2,771.0 1402.4,793.2 1390.0,794.0 1392.0,831.0 1401.5,831.0 1391.0,856.0 1391.0,892.0 1396.1,892.4 1399.5,916.6 1395.0,917.0 1395.0,934.0 1399.1,934.4 1377.9,1894.9 1377.2,1967.3 1263.2,1967.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0866/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[984.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31542702205417,34.04173488576377]}},{"type":"Feature","properties":{"resourceCoords":[57.0,1962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31751014240164,34.0398770125599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0867/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p867","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0867/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0867","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"552.4,1989.5 50.4,1989.0 49.3,1914.3 47.2,905.6 47.2,817.4 47.2,778.4 47.1,688.5 70.0,688.0 72.0,642.0 47.1,640.5 47.1,640.2 47.0,576.0 33.9,29.8 46.1,29.8 687.4,27.9 969.0,28.1 1334.6,24.6 1337.4,1007.1 1346.6,1987.4 552.4,1989.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0867/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[690.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31304070576805,34.041738381878666]}},{"type":"Feature","properties":{"resourceCoords":[690.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31304330889854,34.03995093598999]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0868/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p868","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0868/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0868","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.4,1003.5 95.5,31.0 734.2,28.4 1220.4,24.9 1205.8,60.6 1261.1,78.1 1311.8,157.3 1262.1,503.9 1349.2,684.1 1347.2,699.8 1335.0,701.0 1335.0,746.0 1341.4,746.1 1299.6,1081.1 1343.6,1355.2 1279.1,1543.0 1272.8,1932.7 1208.0,1965.3 591.7,1971.5 124.1,1973.8 109.7,1973.8 99.4,1003.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0868/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1250.0,1950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30900459263374,34.03996412520926]}},{"type":"Feature","properties":{"resourceCoords":[754.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31011314801343,34.043529267469054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0869__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p869 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"5592.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0869__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0869","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"842.1,1895.7 841.9,1889.8 1353.3,1882.0 1354.5,1429.8 1347.3,1429.9 1346.1,986.0 1341.5,985.9 1351.2,208.1 1344.2,212.1 1261.7,79.8 1054.6,42.5 120.8,117.2 49.0,310.9 95.0,973.9 264.8,1288.2 356.4,1356.0 398.6,1356.0 415.5,1382.5 428.4,1402.8 436.1,1414.9 541.0,1492.4 648.5,1889.4 821.7,1929.5 843.9,1934.7 842.1,1895.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0869__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[166.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.34171144689321,34.03254374976299]}},{"type":"Feature","properties":{"resourceCoords":[-273.0,228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.34362278155199,34.032592074355534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0870/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p870","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0870/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0870","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"239.5,82.7 486.5,50.2 601.3,48.4 672.4,97.5 703.3,210.6 896.2,513.3 1150.0,917.4 1287.0,1125.3 1406.0,1651.3 1406.0,1828.2 53.7,1933.7 53.3,1897.2 58.0,1897.0 54.7,1439.0 47.5,1439.2 41.9,989.5 37.2,989.5 39.5,201.6 239.5,82.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0870/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[921.0,538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3401367181527,34.03612283775788]}},{"type":"Feature","properties":{"resourceCoords":[657.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.34126116465708,34.036155402061404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0871/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p871","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0871/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0871","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"249.2,1923.8 287.4,1931.0 288.7,1911.2 314.5,1912.7 1349.8,1974.8 1316.8,1473.9 1340.5,1003.0 1343.5,1003.0 1356.3,550.9 1342.8,550.7 1329.5,144.2 1275.3,79.2 729.7,36.7 118.7,61.4 44.0,123.6 1.0,72.5 1.0,191.0 105.6,528.8 242.8,983.0 319.6,1218.4 295.6,1754.0 249.2,1923.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0871/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[243.0,993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.339157252016,34.036098428020715]}},{"type":"Feature","properties":{"resourceCoords":[112.0,537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.34018946391863,34.03611593087083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0872/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p872","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0872/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0872","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.0,139.3 138.2,81.4 606.4,37.8 1228.7,93.0 1225.8,773.2 1236.8,812.9 1233.8,945.0 1151.8,1011.3 1302.0,1462.0 1285.8,1461.8 1276.3,1992.6 94.5,1939.3 54.6,1444.6 71.1,978.7 74.1,978.7 80.2,531.5 66.8,531.5 47.8,129.8 56.0,139.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0872/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1229.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3395549,34.0405081]}},{"type":"Feature","properties":{"resourceCoords":[1302.0,1462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3365798,34.0398449]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0873/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p873","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0873/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0873","type":"ImageService3","width":1399,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.2,1917.6 701.0,1895.8 700.8,1885.2 141.0,1895.7 102.6,1233.7 91.3,1038.4 215.5,980.6 268.1,957.3 659.7,783.6 759.8,736.1 1300.2,490.8 1299.1,617.5 1283.2,1917.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0873/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[194.0,991.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33508320882063,34.03984883369007]}},{"type":"Feature","properties":{"resourceCoords":[1299.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33243710313461,34.0398593772493]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0874/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p874","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0874/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0874","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1249.7,264.1 1252.0,878.8 1248.5,913.0 1252.3,1373.3 1251.4,1866.8 694.4,1875.6 694.4,1867.8 262.8,1884.0 263.3,1875.9 146.4,1819.2 143.3,2037.0 142.1,2037.0 136.7,2037.0 140.4,588.4 140.2,462.8 353.5,361.6 357.5,359.7 694.2,199.8 1103.0,18.5 1167.0,26.0 1210.0,27.0 1210.3,24.2 1211.7,24.2 1212.0,27.0 1248.8,25.4 1249.7,264.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0874/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3310623856132,34.03985565632377]}},{"type":"Feature","properties":{"resourceCoords":[1255.0,-17.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3297598154155,34.03981707898644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0875/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p875","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0875/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0875","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"279.2,1745.5 254.6,1747.0 252.9,1721.4 153.0,164.7 708.9,150.8 709.2,161.3 1287.5,179.3 1280.7,1329.6 1275.4,1341.5 1268.1,1751.3 279.2,1745.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0875/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[726.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33625181591621,34.03537541683355]}},{"type":"Feature","properties":{"resourceCoords":[199.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33730795990061,34.03577066529717]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0876/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p876","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0876/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0876","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.0,1754.2 104.5,1752.2 111.8,1343.4 117.1,1331.5 123.0,343.1 129.6,343.1 133.4,125.5 250.0,182.6 249.5,190.7 680.7,175.9 680.7,183.7 1237.2,176.8 1236.0,395.0 1365.8,397.5 1264.6,443.8 1227.0,1852.7 698.3,1800.8 691.0,2037.0 651.6,2037.0 636.8,2037.0 631.8,1827.0 147.2,1814.3 151.0,1754.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0876/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1236.0,395.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3316875,34.0363291]}},{"type":"Feature","properties":{"resourceCoords":[680.0,395.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3328045,34.0367471]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0877/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p877","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0877/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0877","type":"ImageService3","width":1395,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.0,2016.0 143.1,2016.0 160.7,1510.6 196.6,1512.3 171.7,138.2 176.7,137.4 531.8,86.2 1210.1,58.6 1216.4,364.4 1239.8,1493.1 1337.5,1437.8 1352.6,1464.9 1125.3,1614.0 1077.9,1742.2 767.7,1779.1 405.1,1980.9 193.4,1996.9 188.0,2016.2 177.0,2016.0 176.4,2016.1 149.0,2016.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0877/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[676.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3379965,34.0325685]}},{"type":"Feature","properties":{"resourceCoords":[1217.0,1506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3366332,34.0325732]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0878/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p878","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0878/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0878","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1268.8,945.1 1003.6,1140.7 1008.4,1507.0 876.0,1634.8 545.8,1687.5 392.4,1629.9 315.4,1511.1 288.1,1529.6 272.6,1502.7 175.3,1559.6 135.3,426.9 126.7,180.7 613.6,145.5 639.5,355.6 693.7,350.2 677.7,112.7 1212.9,112.5 1258.8,754.5 1281.8,750.5 1313.0,816.0 1304.8,840.0 1268.8,945.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0878/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,1583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33663401060547,34.03255245265739]}},{"type":"Feature","properties":{"resourceCoords":[1311.0,913.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33371585218045,34.032562265556926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0879/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p879","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0879/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0879","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.0,396.9 20.8,340.1 21.0,340.0 21.0,321.0 14.2,311.2 14.0,309.0 12.2,308.3 9.0,303.7 9.0,294.0 1.7,293.2 2.5,270.8 14.0,270.0 14.0,248.0 3.3,247.2 4.2,223.3 13.0,222.0 13.0,198.0 8.0,192.0 5.3,192.0 8.7,98.0 722.7,113.7 1184.5,119.1 1218.8,123.2 1335.5,125.1 1311.7,1459.8 1307.8,1459.8 1335.4,1751.3 765.8,1999.3 730.8,2014.5 504.3,1508.1 72.8,520.1 20.0,396.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0879/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[742.0,1490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3282442631666,34.03655003808667]}},{"type":"Feature","properties":{"resourceCoords":[742.0,109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33102736179158,34.037545872458495]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0880/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p880","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0880/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0880","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.4,1767.9 77.1,1478.5 81.0,1478.3 64.5,148.7 562.5,141.7 803.8,138.3 874.6,137.3 941.6,135.6 946.8,135.5 950.7,299.8 1077.7,573.6 1137.3,695.3 1183.6,719.3 1336.7,1043.9 1325.0,1095.8 1408.4,1272.0 1395.0,1273.0 1395.0,1291.0 1408.6,1292.0 1409.0,1321.6 1409.0,1332.0 1396.0,1333.0 1396.0,1349.0 1400.0,1350.0 1401.0,1361.0 1409.0,1361.0 1409.0,1398.0 1400.0,1399.0 1400.0,1404.8 1399.5,1404.9 359.1,1466.6 366.8,1509.5 418.4,1624.0 379.0,1642.6 113.4,1767.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0880/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[353.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32759590313661,34.03798878649207]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32652527282579,34.039884110812096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0881/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p881","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0881/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0881","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1248.4,2012.8 727.2,2011.3 204.8,2011.2 204.7,1974.5 200.6,1091.3 200.4,1049.2 78.8,1047.6 38.0,1036.8 409.3,98.9 434.3,35.6 965.9,32.4 1243.1,31.4 1244.4,1007.1 1248.2,1975.5 1248.4,2012.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0881/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,1036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3260202883781,34.03799163273427]}},{"type":"Feature","properties":{"resourceCoords":[720.0,1989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32602392198595,34.03619350503873]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0882/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p882","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0882/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0882","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"543.1,1987.3 219.8,2037.0 188.2,2037.0 153.3,2037.0 153.5,2009.6 161.4,1032.2 172.0,47.6 696.0,50.0 759.3,26.0 850.1,24.9 950.3,23.6 1088.5,24.5 1090.0,26.0 1112.0,26.0 1120.7,24.7 1221.7,25.4 1395.6,24.9 1397.5,31.9 1400.0,65.0 1407.0,65.8 1409.0,73.0 1232.3,74.7 1230.9,110.5 1221.3,352.5 1214.1,1074.9 1237.3,1075.1 1204.5,2015.5 675.0,2020.8 675.1,2017.5 675.4,1992.7 607.5,1989.2 543.1,1987.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0882/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[696.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3236432,34.0398911]}},{"type":"Feature","properties":{"resourceCoords":[1227.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3224453,34.0399014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0883/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p883","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0883/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0883","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"753.1,1990.2 1283.1,1976.5 1256.9,1613.0 1273.2,1572.1 1278.0,1010.0 1274.0,28.3 1273.9,1.0 212.8,1.0 211.8,31.1 203.9,276.8 202.0,1010.0 225.6,1010.0 198.7,1987.8 753.0,1996.3 753.1,1990.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0883/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[202.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3224504,34.0379852]}},{"type":"Feature","properties":{"resourceCoords":[1278.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3200585,34.0379911]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0884/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p884","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0884/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0884","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"193.3,1999.1 161.6,1638.9 177.1,1598.1 172.9,1040.4 153.4,66.8 152.6,26.2 193.0,28.0 193.3,25.6 196.8,25.5 198.0,28.0 353.0,23.0 354.0,15.0 417.3,20.6 428.0,23.0 437.3,22.4 460.4,24.4 461.0,26.0 489.0,27.0 536.0,25.9 551.9,25.6 709.0,22.0 783.0,26.0 1211.1,22.6 1211.8,54.0 1221.3,504.5 1226.2,910.0 1232.8,1250.6 1235.1,1374.7 1235.2,1462.6 1238.0,1525.8 1243.9,1897.5 1245.3,1934.7 1244.9,1980.8 1245.5,2037.0 752.2,2037.0 755.7,1975.6 193.3,1999.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0884/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[702.0,1011.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3188721535851,34.03803294464616]}},{"type":"Feature","properties":{"resourceCoords":[1236.0,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31764748974463,34.03981364222253]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0885/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p885","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0885/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0885","type":"ImageService3","width":1397,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"755.6,1976.7 302.1,1977.6 240.7,1977.8 240.5,1948.0 240.4,1797.5 244.4,644.4 242.6,526.6 246.8,23.2 777.0,25.4 1230.7,25.4 1230.7,73.7 1231.0,969.5 1231.0,1051.7 1228.4,1904.7 1218.6,1947.9 1195.7,1965.8 1163.7,1979.8 755.6,1976.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0885/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[241.0,1384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31638106250318,34.03991737744634]}},{"type":"Feature","properties":{"resourceCoords":[1226.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31337201163802,34.03811555388909]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0886/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p886","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0886/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0886","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1324.8,1970.3 1269.9,1970.6 1151.4,1970.2 1068.0,1970.4 632.8,1974.8 79.8,1978.3 134.2,1946.0 143.5,1903.0 138.1,1054.8 128.2,34.4 413.7,33.5 986.1,30.4 1254.3,30.6 1282.0,791.4 1283.5,1007.5 1289.8,1007.5 1324.8,1970.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0886/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[128.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31551543963941,34.038112980861804]}},{"type":"Feature","properties":{"resourceCoords":[1287.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.315523275245,34.03596210737561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0887/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p887","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0887/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0887","type":"ImageService3","width":1397,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.0,561.1 90.1,29.4 888.8,28.6 903.4,28.6 1324.0,27.8 1320.5,625.4 1348.2,625.4 1332.0,1189.6 1313.4,1189.7 1359.1,2016.3 1006.3,2011.8 1006.6,2020.3 828.6,2020.7 795.0,2018.0 726.8,2020.9 545.0,2021.3 441.0,2017.0 268.4,2022.0 211.8,2022.1 94.1,2017.6 93.7,1016.1 91.0,561.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0887/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[94.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31334087694003,34.03776864854558]}},{"type":"Feature","properties":{"resourceCoords":[94.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31334200371721,34.03987920158587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p888 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"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":"3418.4"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"776.3,2002.2 824.6,1866.7 829.5,215.2 754.8,26.9 762.1,23.1 141.2,34.2 87.2,35.0 90.1,628.0 117.6,627.7 107.4,1187.6 89.0,1187.9 141.8,1987.1 776.3,2002.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[798.6,607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30903115345734,34.03885230455408]}},{"type":"Feature","properties":{"resourceCoords":[798.6,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30901838725369,34.03988146307546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p888 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3301.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2338.8"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1359.1,1951.8 1377.4,1926.0 1342.8,1357.9 1385.2,689.5 1357.1,71.7 1322.5,42.6 853.7,49.0 857.4,300.7 861.3,792.4 867.8,1264.7 880.7,1959.4 1359.1,1951.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0888__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1341.0,995.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3090782741128,34.045379831795955]}},{"type":"Feature","properties":{"resourceCoords":[1341.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30905444852121,34.04718148808919]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0889/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p889","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0889/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0889","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3.4,1833.0 18.0,1833.0 18.8,1838.7 25.0,1841.0 24.0,1884.0 21.1,1887.2 19.1,1912.5 35.2,1898.5 570.4,1989.3 692.7,1989.5 1303.8,1928.9 1305.8,1039.6 1282.6,1039.6 1286.9,53.4 1121.3,52.1 1015.0,1.0 901.5,1.0 24.0,1790.9 24.0,1818.0 18.0,1824.0 7.8,1824.0 3.4,1833.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0889/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[774.0,1980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.331935682149,34.03259616706861]}},{"type":"Feature","properties":{"resourceCoords":[774.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33194579541001,34.03429520155272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0890/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p890","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0890/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0890","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"193.8,1020.5 170.8,1020.9 160.9,50.3 179.2,50.2 1232.3,35.6 1242.3,73.1 1242.6,248.9 1249.3,488.4 1248.2,710.4 1256.3,1005.2 1259.0,1887.0 1085.9,1885.2 550.6,1977.3 223.8,1893.5 204.5,1895.8 193.8,1020.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0890/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[726.0,1955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32959403467956,34.03257488965559]}},{"type":"Feature","properties":{"resourceCoords":[726.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3295523997229,34.036142733873156]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0891/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p891","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0891/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0891","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.2,1933.5 144.4,1041.6 138.4,743.3 141.3,518.8 136.4,276.6 137.4,98.8 127.6,60.7 675.6,52.4 1211.0,52.3 1216.5,52.3 1217.7,1034.6 1213.1,1034.6 1212.5,1952.8 140.2,1933.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0891/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[138.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32839149986617,34.036139396035104]}},{"type":"Feature","properties":{"resourceCoords":[1224.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32597870679359,34.036135383991294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0892/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p892","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0892/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0892","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1127.5,1981.9 187.8,1960.2 193.0,1053.0 197.6,1053.0 201.3,82.5 723.6,86.5 1086.8,28.0 1089.0,28.0 1089.1,27.6 1114.4,23.6 1179.0,25.0 1180.0,30.0 1231.0,31.0 1247.1,27.9 1247.0,52.9 1246.1,436.1 1254.0,1053.0 1246.8,1946.6 1127.5,1981.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0892/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[193.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3260073,34.0343429]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3236216,34.0343491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0893/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p893","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0893/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0893","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.0,1030.0 167.2,409.1 168.9,26.8 703.5,18.6 702.8,41.7 1254.3,51.3 1237.5,1028.5 1232.2,1028.6 1225.8,1915.5 657.0,1975.0 190.9,1921.6 165.0,1929.3 174.0,1030.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0893/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,1030.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3224285,34.0343541]}},{"type":"Feature","properties":{"resourceCoords":[174.0,1030.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3236216,34.0343491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0894/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p894","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0894/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0894","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"671.1,1985.3 171.0,1920.1 142.1,1923.2 144.0,1041.0 149.2,1041.0 161.1,62.8 1246.9,31.6 1241.3,111.3 1285.9,111.2 1285.0,127.9 1240.0,128.8 1202.7,658.3 1202.7,764.9 1210.0,1041.0 1211.5,1334.0 1208.0,1928.8 671.1,1985.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0894/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3212573,34.0343617]}},{"type":"Feature","properties":{"resourceCoords":[1210.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3188628,34.0343617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0895/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p895","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0895/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0895","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.3,1844.7 72.5,1843.2 344.2,1991.2 476.7,1991.6 675.5,1933.3 1131.5,1986.2 1301.0,1876.4 1400.0,1895.6 1400.0,1884.0 1400.0,1873.2 1312.8,1874.6 1310.3,1239.4 1318.5,1239.4 1328.3,655.0 1305.3,655.1 1302.7,86.5 597.7,107.8 598.5,1.0 142.9,1.0 142.0,17.0 96.4,17.8 56.8,555.1 56.5,663.3 63.1,943.6 63.8,1241.0 61.0,1543.9 67.0,1544.0 71.0,1574.0 69.0,1596.0 60.5,1595.8 58.3,1844.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0895/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[58.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3188677,34.0326407]}},{"type":"Feature","properties":{"resourceCoords":[58.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3188799,34.0359527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0896/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p896","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0896/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0896","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"333.6,119.2 333.4,112.9 551.4,108.4 1318.3,70.3 1318.6,92.6 1344.6,1232.2 1352.4,1861.5 1132.8,1950.7 729.3,1942.6 561.5,1996.7 197.1,1933.5 196.7,1911.2 109.8,1914.2 95.0,1281.3 103.1,1281.2 101.6,698.6 78.7,699.2 65.0,132.6 333.6,119.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0896/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1320.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31333806633661,34.03596804284348]}},{"type":"Feature","properties":{"resourceCoords":[1320.0,1898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31340368193534,34.03265467283327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0897/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p897","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0897/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0897","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"238.1,1313.5 238.0,186.0 239.5,35.9 1142.2,39.1 1167.2,868.1 1144.5,868.0 1135.9,1964.4 592.9,1986.6 237.8,1933.6 231.7,1936.0 238.1,1313.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0897/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[238.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3133328,34.0349028]}},{"type":"Feature","properties":{"resourceCoords":[238.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.313341,34.0359761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0898/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p898","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0898/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0898","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"460.2,1976.5 427.2,1977.2 190.9,1982.3 188.7,885.3 211.4,885.2 177.7,47.6 527.0,50.7 525.7,30.3 1158.8,49.5 1281.3,124.8 1289.5,407.8 1237.0,1946.2 460.2,1977.3 460.2,1976.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0898/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1221.0,887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30898053365199,34.03470812612384]}},{"type":"Feature","properties":{"resourceCoords":[187.0,1960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3113090008791,34.0327201408338]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.2,26.1 124.0,102.0 82.6,225.8 131.9,587.8 129.4,1086.3 169.0,1327.4 130.4,1502.5 247.8,1736.8 304.9,2015.7 642.4,1980.8 661.5,1973.3 727.1,1967.7 764.4,2004.8 979.8,1906.3 980.6,1914.3 1244.3,1890.7 1244.0,1886.7 1238.0,1790.0 1299.3,1761.2 1300.0,1627.8 1303.8,741.8 1304.8,690.2 1305.2,8.9 1040.4,23.4 816.4,32.8 660.0,37.1 661.6,1.0 629.1,1.0 587.7,2.3 107.2,26.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1238.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3353302,34.0398459]}},{"type":"Feature","properties":{"resourceCoords":[157.0,748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3377973,34.0449417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899A/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899A","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899A/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899A","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1219.8,1504.5 1188.0,1500.8 984.8,1590.9 817.3,1670.4 709.3,1721.6 444.1,1845.1 394.9,1869.0 327.4,1899.7 202.6,1956.5 176.8,1968.2 176.8,1835.3 176.5,1557.0 175.9,952.6 176.7,901.2 173.6,222.5 620.1,194.3 657.7,174.8 705.0,171.9 790.0,166.1 1143.1,142.7 1244.0,138.3 1248.5,478.8 1250.2,683.8 1251.7,844.3 1252.7,976.5 1259.6,1421.8 1259.8,1434.3 1260.3,1467.6 1260.4,1491.6 1260.4,1502.8 1219.8,1504.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899A/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[445.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33201796137416,34.04295682996239]}},{"type":"Feature","properties":{"resourceCoords":[176.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33310229390175,34.043366120941705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899B/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899B","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899B/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899B","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"191.9,217.8 171.6,131.0 236.1,114.1 779.1,74.5 1131.9,119.8 1249.8,103.4 1260.8,121.1 1288.8,121.0 1291.8,376.5 1282.3,827.9 1279.0,1084.3 1274.9,1084.3 1276.1,1358.9 1270.9,1588.6 1274.2,1589.3 1262.2,1871.8 519.1,1789.3 478.8,1784.8 449.7,1643.9 416.7,1490.3 442.2,1493.5 394.9,1265.9 370.3,1263.5 339.4,1109.0 304.6,917.5 291.2,833.1 315.8,828.8 297.6,733.1 236.3,378.6 206.1,383.2 193.0,303.2 170.2,223.5 191.9,217.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899B/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33609988341001,34.05098008946809]}},{"type":"Feature","properties":{"resourceCoords":[1273.0,818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33248990517774,34.051883687567866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899C/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899C","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899C/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899C","type":"ImageService3","width":1422,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.6,98.8 409.5,116.3 597.2,83.0 859.2,118.0 1048.3,99.8 1133.8,132.9 1280.8,117.5 1327.3,168.0 1328.7,398.8 1328.6,678.0 1326.0,817.9 1325.6,1269.7 1327.3,1368.4 1325.5,1507.2 1151.6,1693.0 1120.0,1968.3 1097.8,1966.3 903.1,1948.1 126.2,1912.7 129.5,1875.9 126.7,1875.6 133.4,1593.3 130.2,1592.7 131.2,1363.2 125.0,1089.0 129.1,1089.0 127.7,832.9 129.0,382.0 121.2,127.0 93.4,127.5 82.0,110.1 153.6,98.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899C/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[648.0,1660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3282421,34.0527203]}},{"type":"Feature","properties":{"resourceCoords":[129.0,382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3343137,34.0524446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899D/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899D","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899D/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899D","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"439.8,33.0 1215.3,52.8 1239.0,44.1 1229.6,304.9 1225.9,305.0 1235.7,584.8 1284.2,584.5 1206.7,942.4 1232.6,947.0 1253.8,947.9 1275.2,948.9 1272.0,997.2 1254.8,1081.1 1239.5,1126.3 1217.5,1176.9 1183.8,1232.7 1147.1,1217.8 1074.5,1553.7 1020.4,1546.2 1026.3,1573.0 1068.8,1722.2 1090.1,1784.8 1096.9,1823.4 1080.3,1995.4 1061.3,1993.3 602.1,1941.1 430.4,1924.6 391.2,1922.4 85.6,1888.0 119.9,1610.9 296.8,1425.2 299.9,1285.5 299.1,1186.0 303.6,730.8 307.5,589.9 310.1,308.6 310.8,76.0 439.8,33.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899D/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[111.0,1611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32739484759254,34.05438983639026]}},{"type":"Feature","properties":{"resourceCoords":[306.0,583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3313915115147,34.05623958331954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899E [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5644.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"247.9,1916.6 234.6,1874.9 267.9,1871.2 442.5,1886.3 795.8,1917.1 1286.4,1957.2 1310.1,1959.9 1364.5,1945.1 1321.8,1818.2 1160.1,1305.5 1168.1,1302.7 1167.8,1284.5 1121.7,1284.5 1119.7,1276.1 1084.8,1270.2 974.0,851.5 926.0,321.1 934.8,110.9 899.9,123.0 779.8,47.6 643.1,36.7 295.2,36.8 204.8,71.4 198.9,330.2 195.2,330.3 208.7,607.7 256.7,606.7 184.7,962.7 210.4,966.9 212.2,966.9 231.5,967.5 252.8,968.2 250.2,1016.1 234.2,1099.6 219.6,1144.6 198.5,1195.0 165.8,1250.9 154.2,1246.3 129.2,1236.6 61.6,1570.6 8.0,1563.9 14.2,1590.5 58.3,1737.8 80.2,1799.7 87.5,1837.8 73.3,2008.6 284.3,2031.0 247.9,1916.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1256.0,1607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32441298728169,34.06184680029722]}},{"type":"Feature","properties":{"resourceCoords":[291.0,2034.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32403532855376,34.05800271311752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899E [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3910.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1733.6"},{"label":"split_canvas_h","value":"5138.0"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1040.3,88.8 1062.1,141.9 1062.3,166.2 1083.0,666.7 1096.0,1027.4 1102.5,1204.1 1110.7,1238.6 1150.8,1220.1 1261.7,1169.0 1371.3,1116.4 1360.2,560.2 1352.5,282.0 1263.9,22.8 1253.2,21.0 1225.2,27.0 1186.4,23.0 1040.3,88.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899E__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1345.1,554.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32255307817393,34.059830496563855]}},{"type":"Feature","properties":{"resourceCoords":[1345.1,1110.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32362018942885,34.058039116624556]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899F/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899F","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899F/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899F","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.6,1956.5 107.3,1064.6 71.1,677.6 90.5,309.9 65.4,235.2 89.5,86.8 528.8,25.3 1305.3,34.8 1347.5,52.2 1339.6,735.0 1345.5,774.5 1332.7,768.8 1115.0,1320.8 1094.9,1346.2 1063.3,1374.0 1126.9,1355.0 828.5,2005.6 805.8,2005.7 536.0,1998.7 383.4,1998.0 293.6,1995.8 293.4,2000.0 159.4,2003.0 162.3,1995.8 92.6,1956.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899F/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[369.0,1396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32485151189245,34.07114045081568]}},{"type":"Feature","properties":{"resourceCoords":[103.0,1396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32601690426579,34.071128623298314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899G/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899G","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899G/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899G","type":"ImageService3","width":1421,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1399.9,893.9 1396.8,1221.1 1392.4,1221.6 1391.8,1406.9 1371.2,1406.7 1347.3,1406.5 1345.0,1998.7 951.5,1996.0 700.2,1996.2 360.7,1991.9 294.2,1991.8 60.6,1994.5 59.6,1994.5 351.8,1348.5 288.9,1367.6 320.0,1339.9 339.7,1314.7 552.5,766.6 565.3,772.2 559.2,733.2 563.3,56.8 576.6,62.2 863.9,31.0 1345.8,74.8 1352.0,61.0 1349.3,435.7 1347.7,886.9 1368.2,887.0 1403.5,887.1 1399.9,893.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899G/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[562.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32064322148726,34.07611465731017]}},{"type":"Feature","properties":{"resourceCoords":[798.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31959934871394,34.07612063986383]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899H/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1950 | sanborn00656_057 p899H","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:05:21Z","modified":"2026-10-24T15:05:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899H/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899H","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.8,1080.1 73.4,854.2 76.8,696.8 115.2,700.4 115.3,625.8 115.0,141.3 146.3,136.0 166.2,156.2 466.3,57.2 494.1,135.8 512.0,215.2 542.0,208.8 625.0,560.4 649.1,655.3 624.8,661.1 643.3,744.9 689.9,934.8 730.2,1087.8 755.0,1088.8 816.4,1314.0 790.5,1312.5 833.0,1464.4 870.6,1603.9 911.4,1606.0 1349.4,1627.9 1336.4,1939.7 1118.0,1929.5 957.8,1922.1 961.5,1931.9 95.4,1898.1 95.2,1886.2 95.0,1838.3 77.3,1799.2 73.3,1347.1 71.8,1080.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195008:00656_08_1950-0899H/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,1468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33055603049876,34.047195417918346]}},{"type":"Feature","properties":{"resourceCoords":[651.0,659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33372308238103,34.0485509044677]}}]}}]}