{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00656_019.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Los Angeles, California | 1921 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"112"},{"label":"placed","value":"107"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 55, georef 46, georef-street 5, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"5 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p825 (tier 1, 33.78389,-118.19149 +/-264m); p847__2 (tier 1, 34.05111,-118.31539 +/-225m); p855__1 (tier 1, 33.88619,-118.40048 +/-275m); p855__2 (tier 1, 34.04705,-118.32416 +/-145m); p899 (tier 1, 34.04322,-118.33612 +/-503m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0801/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 | 1921 | sanborn00656_019 p801","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0801/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0801","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"242.1,1859.7 168.7,1822.5 59.4,1579.3 70.8,623.2 161.2,152.8 374.6,153.7 566.2,66.3 978.2,75.4 1124.9,179.0 1163.7,177.3 1159.0,231.0 1157.7,739.1 1159.8,1238.9 1159.0,1741.0 279.8,1741.0 276.7,1998.0 238.6,1998.0 242.1,1859.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0801/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1159.0,1741.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3125013,34.0746214]}},{"type":"Feature","properties":{"resourceCoords":[1159.0,231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.309159,34.0746333]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0802/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 | 1921 | sanborn00656_019 p802","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0802/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0802","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1102.5,1744.0 277.0,1744.0 278.0,1240.2 276.1,738.7 277.6,228.8 282.4,174.9 962.4,145.5 962.1,233.0 1146.0,232.0 1148.8,731.4 1145.2,1230.2 1144.4,1737.4 1102.5,1744.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0802/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[277.0,1744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3125013,34.0746214]}},{"type":"Feature","properties":{"resourceCoords":[1146.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091571,34.0730467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0803/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 | 1921 | sanborn00656_019 p803","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0803/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0803","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,156.1 1.0,243.3 183.2,241.8 187.3,739.2 185.1,1236.0 185.6,1741.0 1219.8,1725.2 1221.8,739.2 1224.1,221.9 968.1,111.7 1.0,156.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0803/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[186.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30913749271132,34.073041503932686]}},{"type":"Feature","properties":{"resourceCoords":[1220.0,1899.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31282273434489,34.071138158869786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0804/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 | 1921 | sanborn00656_019 p804","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0804/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0804","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.3,1829.1 101.8,1639.5 109.1,654.3 114.2,137.4 630.2,46.2 1232.2,109.5 1262.2,36.2 1300.1,26.7 1298.7,528.1 1290.7,1055.8 1283.1,1279.8 1276.7,1673.3 1277.4,1834.2 102.3,1829.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0804/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1286.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3103758744757,34.068977484865634]}},{"type":"Feature","properties":{"resourceCoords":[1286.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31285389222427,34.06896229331122]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0805/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 | 1921 | sanborn00656_019 p805","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0805/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0805","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"316.9,68.2 647.2,142.4 963.0,128.6 1153.7,224.6 1167.8,220.0 1170.5,285.9 1172.7,749.0 1168.8,1304.1 1168.2,1908.2 690.4,1906.0 171.6,1909.0 170.0,1748.1 174.6,1354.7 181.1,1130.8 186.6,603.3 185.7,102.0 316.9,68.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0805/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1169.0,1351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3116069,34.0671487]}},{"type":"Feature","properties":{"resourceCoords":[187.0,229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091249,34.068958]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0806/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 | 1921 | sanborn00656_019 p806","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0806/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0806","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.5,1912.1 259.6,1308.4 265.8,753.6 265.4,290.9 263.0,225.0 653.5,100.2 1013.2,80.6 1247.8,126.2 1251.8,138.6 1256.8,483.5 1255.3,1361.6 1246.0,1915.0 256.5,1912.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0806/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1246.0,1915.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.312834,34.0653288]}},{"type":"Feature","properties":{"resourceCoords":[263.0,237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3091258,34.0671564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0807/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 | 1921 | sanborn00656_019 p807","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0807/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0807","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.4,127.6 896.6,68.3 1181.0,123.0 1177.8,719.0 1183.4,1275.4 1170.0,1834.0 175.0,1833.1 186.2,1278.1 190.7,397.4 186.9,51.5 211.4,127.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0807/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.310367,34.0653239]}},{"type":"Feature","properties":{"resourceCoords":[1170.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3128136,34.0635054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0808/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 | 1921 | sanborn00656_019 p808","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0808/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0808","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1183.2,1331.0 1185.6,1781.2 1185.1,1998.0 1141.0,1998.0 1137.2,1917.5 1132.9,1826.8 917.4,1826.6 184.4,1830.5 191.8,1275.4 180.4,722.7 177.2,130.7 215.9,137.7 874.0,56.9 1144.7,108.0 1159.3,104.7 1163.5,165.8 1162.8,592.1 1187.0,646.5 1182.6,1276.2 1183.2,1331.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0808/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[186.0,1282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31159229098783,34.063501940992616]}},{"type":"Feature","properties":{"resourceCoords":[186.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31283034350913,34.063502440228895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0809/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 | 1921 | sanborn00656_019 p809","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0809/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0809","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.9,59.1 234.7,81.3 330.2,30.1 1256.6,50.8 1262.5,979.7 1263.0,1842.0 726.9,1841.2 152.9,1842.0 112.0,1842.0 110.4,942.4 111.7,164.7 134.4,109.2 82.0,109.3 87.9,59.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0809/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1263.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.314589,34.0730421]}},{"type":"Feature","properties":{"resourceCoords":[112.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3171422,34.0730391]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0810/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 | 1921 | sanborn00656_019 p810","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0810/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0810","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"259.0,1009.0 256.9,78.0 947.0,96.2 948.0,134.3 1205.0,137.8 1203.9,1017.0 1203.2,1839.6 1209.9,1881.4 710.5,1875.9 256.0,1873.2 259.0,1009.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0810/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[707.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3136013,34.074631]}},{"type":"Feature","properties":{"resourceCoords":[259.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3145929,34.0746265]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0811/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 | 1921 | sanborn00656_019 p811","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0811/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0811","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1188.3,5.2 1191.1,188.3 1195.5,795.0 1198.6,1456.3 1201.6,1983.0 199.6,1975.4 195.3,1466.7 192.4,948.4 190.2,510.0 190.1,28.2 1188.3,5.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0811/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[176.0,961.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3146177457253,34.07307343388858]}},{"type":"Feature","properties":{"resourceCoords":[176.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31250678461,34.07306350192692]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0812/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 | 1921 | sanborn00656_019 p812","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0812/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0812","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1308.0,31.7 1310.5,396.6 1309.0,748.0 1313.8,1034.1 1310.6,1294.2 1311.0,1561.2 1310.6,1887.7 1310.8,1928.5 136.6,1891.7 137.7,1337.6 139.7,657.2 140.0,32.9 1308.0,31.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0812/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[129.0,1927.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31708204535975,34.07114907886461]}},{"type":"Feature","properties":{"resourceCoords":[1321.0,43.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31287532974387,34.06895406269067]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0813/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 | 1921 | sanborn00656_019 p813","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0813/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0813","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.9,1781.5 173.4,1515.8 178.5,1256.8 175.8,972.0 179.8,622.3 180.0,259.0 693.5,259.4 1166.3,264.7 1166.8,498.9 1160.2,858.2 1154.5,1742.4 1155.6,1779.4 171.9,1781.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0813/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1157.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3151665,34.067147]}},{"type":"Feature","properties":{"resourceCoords":[180.0,259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3128502,34.068978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0814/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 | 1921 | sanborn00656_019 p814","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0814/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0814","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1167.3,1744.0 210.0,1747.0 208.6,1709.5 205.2,813.9 208.3,449.9 205.4,212.7 1198.0,208.0 1198.0,727.7 1200.5,1085.6 1200.5,1744.8 1167.3,1744.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0814/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[210.0,1747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.316236,34.0671414]}},{"type":"Feature","properties":{"resourceCoords":[1198.0,208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.312834,34.0653288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0815/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 | 1921 | sanborn00656_019 p815","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0815/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0815","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1087.2,25.3 1084.7,195.6 1108.3,324.3 1165.9,513.0 1254.7,732.9 1287.3,863.8 1299.8,975.8 1291.9,1089.3 1278.3,1151.1 1269.6,1190.8 1237.6,1315.8 1115.9,1710.0 1011.5,1730.3 967.5,1756.5 926.5,1834.7 892.5,1876.0 827.3,1917.1 754.1,1937.6 102.4,1937.0 105.8,1545.9 107.4,896.9 105.9,544.4 107.2,32.7 1087.2,25.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0815/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1095.0,1717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31661341659786,34.06348532617416]}},{"type":"Feature","properties":{"resourceCoords":[1095.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31283984128527,34.063490762703196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0816/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 | 1921 | sanborn00656_019 p816","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0816/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0816","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1207.8,217.1 1186.5,286.3 1190.6,654.7 1195.3,656.0 1190.7,1031.9 1197.1,1487.5 1199.0,1781.0 1087.4,1731.2 893.6,1727.3 603.0,1727.9 263.9,1734.8 380.8,1339.5 411.2,1214.3 419.4,1174.5 432.2,1112.6 438.8,999.0 424.9,887.4 390.8,757.0 299.5,538.4 239.7,350.5 214.6,222.2 215.0,52.0 941.0,41.1 1154.4,39.3 1159.6,129.0 1164.2,208.7 1207.7,208.3 1207.8,209.2 1207.8,217.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0816/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1199.0,1781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3167229,34.0617058]}},{"type":"Feature","properties":{"resourceCoords":[215.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3128136,34.0635054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0817/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 | 1921 | sanborn00656_019 p817","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0817/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0817","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.5,1324.1 192.9,537.8 192.6,478.7 192.5,149.8 1188.0,139.0 1187.0,625.5 1189.3,1178.8 1188.0,1835.0 809.3,1829.7 196.1,1826.0 192.5,1324.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0817/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1188.0,139.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.316236,34.0671414]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,1835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3199905,34.0671396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0818/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 | 1921 | sanborn00656_019 p818","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0818/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0818","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1209.2,535.9 1210.0,830.3 1207.5,1176.3 1209.3,1832.1 228.0,1830.0 229.0,1177.0 226.5,626.4 227.2,142.3 1179.0,140.2 1212.0,141.0 1209.2,535.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0818/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1212.0,141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3162329,34.0653266]}},{"type":"Feature","properties":{"resourceCoords":[228.0,1830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3199905,34.0671396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0819/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 | 1921 | sanborn00656_019 p819","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0819/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0819","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"876.1,456.1 949.5,434.9 1014.7,392.9 1048.5,351.2 1089.0,272.1 1133.1,245.5 1237.8,224.1 1221.0,318.3 1207.7,750.7 1195.2,1740.3 230.0,1751.5 223.7,1098.6 223.8,754.1 221.0,461.0 876.1,456.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0819/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[227.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3185302930556,34.065328505822634]}},{"type":"Feature","properties":{"resourceCoords":[1204.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32000654153885,34.063528275917264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0820/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 | 1921 | sanborn00656_019 p820","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0820/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0820","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1177.2,1960.2 1178.5,1898.9 1179.4,1845.6 282.6,1744.7 207.0,1745.5 223.7,754.0 238.8,320.8 256.0,226.5 597.9,222.2 890.9,223.8 1086.2,229.2 1198.3,280.2 1284.0,315.1 1302.8,323.1 1239.8,818.2 1234.2,815.8 1295.3,1395.9 1392.0,1440.7 1392.0,1451.8 1246.2,1899.8 1223.0,1898.4 1204.7,1898.6 1177.2,1960.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0820/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1201.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3178219,34.0617032]}},{"type":"Feature","properties":{"resourceCoords":[218.0,1089.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3185207,34.0635209]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0821/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 | 1921 | sanborn00656_019 p821","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0821/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0821","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"510.1,22.8 1037.5,29.9 1348.9,37.4 1349.8,390.8 1344.5,995.0 1343.0,1952.0 1299.1,1951.9 23.0,1949.3 34.0,518.6 44.1,126.0 96.5,23.9 510.1,22.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0821/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[686.0,26.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3244171,34.0689589]}},{"type":"Feature","properties":{"resourceCoords":[1343.0,1952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.322885,34.0653299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0822/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 | 1921 | sanborn00656_019 p822","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0822/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0822","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"228.6,40.2 581.5,33.6 711.0,33.0 1372.3,37.1 1368.8,634.8 1363.5,1003.9 1361.0,1965.0 88.6,1965.0 83.3,1004.1 84.3,397.4 80.9,42.5 228.6,40.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0822/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[727.0,1965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.321435,34.0653305]}},{"type":"Feature","properties":{"resourceCoords":[1361.0,1965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.319995,34.0653312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0823/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 | 1921 | sanborn00656_019 p823","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0823/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0823","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1378.2,1942.6 706.7,1841.6 709.5,1922.3 119.6,1894.0 27.6,1891.7 56.3,51.7 1347.6,64.5 1392.0,65.0 1370.6,1708.7 1361.2,1876.2 1378.2,1942.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0823/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[719.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3243705,34.0636545]}},{"type":"Feature","properties":{"resourceCoords":[78.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3258465,34.0653159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0824/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 | 1921 | sanborn00656_019 p824","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0824/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0824","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"425.1,1937.0 336.7,1934.3 136.5,1928.3 77.0,1926.6 57.0,1855.0 62.9,1686.6 48.6,35.6 1336.7,27.1 1347.0,988.3 1348.1,1063.4 1250.7,1955.0 1197.8,1954.3 1029.9,1951.2 636.4,1941.5 425.1,1937.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0824/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3214183,34.0635856]}},{"type":"Feature","properties":{"resourceCoords":[708.0,1943.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3214315,34.061777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0826/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 | 1921 | sanborn00656_019 p826","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0826/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0826","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"336.4,77.3 1.0,253.9 1.0,1998.0 1128.1,1998.0 1132.5,1887.4 1285.0,1888.1 1332.0,1257.1 1327.5,1257.0 1329.6,689.5 1316.5,688.9 1282.4,107.5 878.5,93.4 474.3,79.1 336.4,77.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0826/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[760.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3267065038222,34.047845586182945]}},{"type":"Feature","properties":{"resourceCoords":[620.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3280435098195,34.04801393961463]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0827/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 | 1921 | sanborn00656_019 p827","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0827/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0827","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.4,1284.9 112.0,1284.8 57.2,693.8 108.0,693.9 98.8,72.3 707.0,75.0 707.0,113.2 1360.1,106.0 1348.0,700.6 1342.3,700.6 1334.7,1295.2 1338.3,1295.2 1343.6,1859.9 932.9,1860.8 409.0,1862.1 142.9,1862.8 125.4,1284.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0827/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[707.0,694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3268412,34.0502142]}},{"type":"Feature","properties":{"resourceCoords":[707.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3280849,34.050673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0828/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 | 1921 | sanborn00656_019 p828","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0828/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0828","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"881.1,1886.3 61.3,1905.9 44.0,1347.6 40.4,1347.6 35.2,759.5 40.9,759.4 40.0,171.1 1365.5,127.7 1365.7,161.4 1368.3,744.1 1380.5,1329.9 1385.3,1871.5 881.1,1886.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0828/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1369.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32385533671572,34.05304444837108]}},{"type":"Feature","properties":{"resourceCoords":[1369.0,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32625677816203,34.0539826110093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0829/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 | 1921 | sanborn00656_019 p829","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0829/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0829","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.0,94.0 653.4,97.0 731.2,93.0 1072.7,89.1 1288.2,90.3 1312.0,705.5 1322.5,705.6 1271.7,1308.3 1301.5,1308.3 1295.0,1848.2 1214.9,1849.1 1082.0,1850.8 999.5,1851.6 938.8,1846.7 44.0,1856.0 45.2,1310.6 39.7,720.5 43.8,133.8 44.0,94.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0829/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[44.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3227426,34.0526431]}},{"type":"Feature","properties":{"resourceCoords":[44.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3262804,34.0539847]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0830/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 | 1921 | sanborn00656_019 p830","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0830/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0830","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"806.1,78.0 879.9,78.2 938.8,78.5 1268.7,80.4 1367.2,298.7 1392.0,360.1 1392.0,535.6 1392.0,692.2 1355.6,692.3 1340.8,1285.8 1329.1,1285.9 1313.7,1815.3 883.0,1826.4 816.6,1827.2 122.5,1839.2 125.6,1298.3 95.8,1298.5 142.8,694.4 132.4,694.5 104.5,78.4 806.1,78.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0830/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[852.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3220316,34.0563626]}},{"type":"Feature","properties":{"resourceCoords":[844.0,78.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3244573,34.0572818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0831/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 | 1921 | sanborn00656_019 p831","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0831/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0831","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1274.8,208.0 1298.2,312.9 1318.1,709.5 1314.7,1223.4 1321.6,1685.2 142.8,1718.7 137.6,1718.8 151.1,1191.8 162.8,1191.6 175.4,600.7 211.7,600.5 210.6,269.9 185.6,208.8 1274.8,208.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0831/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[347.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32259965413462,34.05794325886978]}},{"type":"Feature","properties":{"resourceCoords":[205.0,209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3235109718719,34.058010035256636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0832/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 | 1921 | sanborn00656_019 p832","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0832/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0832","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.0,1228.0 69.0,712.9 55.7,315.0 34.0,209.5 380.9,212.4 1166.5,66.4 1197.3,140.3 1349.9,509.9 1392.0,610.1 1392.0,656.2 1392.0,678.2 1375.2,686.0 1353.2,694.2 1392.0,1062.5 1392.0,1152.5 1392.0,1232.8 1168.6,1330.3 666.1,1690.5 458.8,1690.8 342.2,1690.9 124.4,1691.2 109.4,1691.1 92.1,1691.0 56.1,1690.9 57.0,1228.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0832/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1246.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32140768082712,34.061809576893836]}},{"type":"Feature","properties":{"resourceCoords":[1595.0,1179.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31913950422519,34.0616653165191]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0833/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 | 1921 | sanborn00656_019 p833","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0833/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0833","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"867.8,1912.8 159.5,1620.5 180.3,1572.7 186.2,1559.3 315.4,1259.4 395.5,1073.4 267.4,483.4 266.6,245.3 221.8,213.1 266.1,109.0 266.1,114.0 837.5,47.2 835.1,52.7 1324.1,109.2 1197.4,414.7 1158.1,508.9 1262.7,507.8 1272.5,983.9 1282.5,983.6 1280.4,1464.3 1286.2,1940.4 1095.0,1939.3 1000.1,1938.7 937.4,1932.4 867.8,1912.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0833/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[632.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31843937770962,34.05832275465497]}},{"type":"Feature","properties":{"resourceCoords":[863.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31785929281273,34.06167360475104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0834/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 | 1921 | sanborn00656_019 p834","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0834/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0834","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"346.1,1952.6 806.6,1951.9 1333.0,1941.1 1326.1,1452.5 1318.0,1179.2 1283.0,909.8 1274.2,497.9 1268.5,410.7 1274.5,247.5 1299.8,110.0 1314.1,63.3 1329.9,1.0 917.8,1.0 503.5,11.8 211.7,17.2 178.9,102.5 47.1,427.8 8.5,522.3 113.1,520.3 126.9,996.4 136.8,996.1 138.6,1477.0 148.3,1953.1 346.1,1952.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0834/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1304.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31430205901975,34.05987228778821]}},{"type":"Feature","properties":{"resourceCoords":[-181.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31765858726514,34.05993438464601]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0835/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 | 1921 | sanborn00656_019 p835","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0835/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0835","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.2,1956.0 582.9,1955.2 151.2,1956.8 149.1,1468.2 143.8,1194.8 111.5,925.1 107.0,513.1 102.1,425.9 109.8,262.9 136.4,125.6 151.2,79.1 169.2,11.3 535.5,6.5 604.3,27.5 826.5,25.4 1269.9,17.9 1296.8,17.3 1283.7,544.6 1302.7,544.3 1345.5,1076.0 1290.0,1077.2 1307.6,1953.7 1100.2,1956.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0835/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[624.0,1944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31321588733911,34.058069496148406]}},{"type":"Feature","properties":{"resourceCoords":[1073.0,1944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31220074539422,34.058059242216416]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0836/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 | 1921 | sanborn00656_019 p836","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0836/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0836","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1293.7,1954.6 1379.1,1644.3 1376.5,535.5 1325.6,298.0 1368.6,211.5 1289.2,125.3 1318.0,110.8 1293.3,1.0 810.0,1.0 758.7,24.0 138.7,20.8 111.6,21.1 93.2,548.2 112.3,548.1 149.8,1080.1 94.3,1080.7 103.3,1957.2 274.4,1957.0 769.7,1961.0 1237.7,1958.1 1293.7,1954.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0836/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[768.0,1943.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31016730985536,34.05805943646017]}},{"type":"Feature","properties":{"resourceCoords":[1247.0,1078.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30907953849162,34.059677974245844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0837/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 | 1921 | sanborn00656_019 p837","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0837/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0837","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,749.2 1.0,1063.5 32.5,1131.7 203.6,1502.6 320.9,1861.1 367.9,1839.7 731.2,1822.0 1306.5,1794.8 1313.6,1303.3 1316.3,1303.1 1292.3,710.2 1273.5,99.0 952.2,101.3 434.5,105.2 176.2,107.2 153.5,743.9 1.0,749.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0837/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[149.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32252946169491,34.047440511253576]}},{"type":"Feature","properties":{"resourceCoords":[-21.0,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32391435348407,34.04761436077103]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0838/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 | 1921 | sanborn00656_019 p838","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0838/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0838","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1313.2,1760.0 111.4,1809.9 121.3,1320.2 124.0,1320.1 103.5,729.4 88.3,120.5 988.7,119.2 1133.5,118.2 1159.0,707.0 1109.5,707.3 1193.6,1121.9 1215.1,1182.3 1309.2,1403.8 1338.6,1517.6 1369.8,1755.7 1313.2,1760.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0838/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1243.0,1300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32054961767184,34.05133392792357]}},{"type":"Feature","properties":{"resourceCoords":[1103.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32185875904949,34.05153231078998]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0839/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 | 1921 | sanborn00656_019 p839","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0839/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0839","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"286.8,735.4 129.6,223.8 174.9,207.8 223.8,189.4 272.5,171.9 635.5,184.2 1246.9,205.5 1252.6,717.0 1285.3,717.2 1221.6,1226.5 1233.8,1226.6 1220.7,1780.3 1021.8,1780.3 900.4,1777.5 697.4,1780.3 626.5,1584.5 516.8,1271.1 406.0,959.9 345.4,712.7 289.8,734.2 286.8,735.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0839/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[325.0,714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32012621739733,34.047180958323736]}},{"type":"Feature","properties":{"resourceCoords":[501.0,1228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31891585474922,34.04716906877542]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0840/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 | 1921 | sanborn00656_019 p840","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0840/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0840","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.9,1769.5 129.9,1218.0 117.9,1218.1 174.9,710.2 142.3,710.5 130.2,201.3 1294.6,227.3 1351.3,226.6 1353.5,442.1 1361.3,740.9 1370.4,1242.0 1371.5,1499.6 825.4,1761.0 696.7,1762.5 123.9,1769.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0840/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1357.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3174233288315,34.05057933099075]}},{"type":"Feature","properties":{"resourceCoords":[1357.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31626277826707,34.05022362899678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0841/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 | 1921 | sanborn00656_019 p841","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0841/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0841","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"316.3,1786.7 266.9,1791.4 235.2,1549.6 205.3,1434.0 109.5,1209.0 87.7,1147.6 2.1,726.5 52.4,726.0 26.2,128.0 389.1,125.3 1287.7,125.6 1348.6,131.2 1356.8,131.2 1354.5,652.9 1353.5,699.0 1352.7,1052.1 1352.6,1059.8 1353.9,1427.7 1360.1,1740.5 316.3,1786.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0841/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3233423,34.0520881]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3220972,34.054407]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3180806,34.0529267]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3193257,34.0506078]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0842/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 | 1921 | sanborn00656_019 p842","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0842/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0842","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1273.7,1998.0 597.5,1998.0 184.7,1732.8 98.0,1733.0 98.2,1673.8 102.8,1218.6 100.8,715.5 97.2,415.4 98.0,199.0 146.9,198.2 1177.0,233.4 1175.3,266.3 1163.0,482.4 1152.4,772.7 1146.8,867.2 1149.7,975.3 1180.0,1155.0 1219.0,1275.0 1392.0,1696.3 1392.0,1734.7 1392.0,1820.5 1368.0,1814.3 1253.0,1880.8 1273.7,1998.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0842/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3162808,34.0502605]}},{"type":"Feature","properties":{"resourceCoords":[98.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3195043,34.0512059]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0843/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 | 1921 | sanborn00656_019 p843","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0843/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0843","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"10.3,1766.2 76.0,1763.4 251.3,1759.2 1174.5,1711.5 1268.0,1698.5 1362.9,1667.8 1347.3,1253.4 1326.5,1246.0 1343.8,703.8 1350.3,703.6 1333.7,175.7 1033.0,179.7 967.6,179.7 204.6,183.2 73.5,184.1 1.0,184.3 1.0,1221.8 2.9,1458.7 10.3,1766.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0843/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[981.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31985797776524,34.055494697722644]}},{"type":"Feature","properties":{"resourceCoords":[981.0,1265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31876039053878,34.05508533493986]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0844/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 | 1921 | sanborn00656_019 p844","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0844/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0844","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"260.0,1636.5 101.7,1706.5 81.5,1291.9 60.6,1284.7 72.1,741.9 78.7,741.6 56.4,213.4 185.4,210.4 1353.2,183.4 1374.9,958.3 1385.6,1030.8 1392.0,1050.1 1392.0,1187.5 193.8,1364.4 307.6,1611.0 260.0,1636.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0844/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[320.0,1617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31756426665633,34.055860934979144]}},{"type":"Feature","properties":{"resourceCoords":[1347.0,191.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3194918349905,34.05869652438083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0845/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 | 1921 | sanborn00656_019 p845","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0845/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0845","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1303.8,1131.1 1307.5,1577.0 1307.7,1850.3 137.8,1508.2 80.0,1633.7 84.9,1590.4 86.6,1493.7 93.5,1097.8 102.0,629.0 101.5,93.0 1303.0,85.0 1334.8,83.8 1302.9,288.2 1305.6,592.0 1303.8,1098.9 1303.8,1131.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0845/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[102.0,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3154757,34.0580582]}},{"type":"Feature","properties":{"resourceCoords":[1303.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3142745,34.0558457]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0846/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 | 1921 | sanborn00656_019 p846","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0846/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0846","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"21.1,1894.9 113.6,1917.7 220.9,1934.5 404.0,1937.5 529.8,1920.8 977.8,1826.9 1100.5,1849.6 1090.1,1872.2 1134.7,1998.0 1360.5,1998.0 1347.4,1915.3 1366.3,1803.1 1359.1,1746.8 1343.5,1750.0 1328.5,1404.8 1372.1,1194.1 1370.3,1057.5 1316.5,728.6 1201.9,5.8 1201.0,1.0 987.5,1.0 693.5,49.5 191.7,126.0 257.3,522.0 245.1,682.7 220.7,763.9 219.2,831.6 253.0,999.7 254.2,1081.7 245.6,1150.4 27.8,1722.6 5.5,1814.8 1.0,1876.5 1.0,1890.5 21.1,1894.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0846/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31545974996955,34.05446058574351]}},{"type":"Feature","properties":{"resourceCoords":[1202.0,-25.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31426067970756,34.05583225855688]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0847__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 | 1921 | sanborn00656_019 p847 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2884.8"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0847__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0847","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"611.5,441.1 495.4,61.8 39.2,200.3 57.7,250.8 110.8,441.1 121.8,514.9 122.1,609.0 44.9,1528.3 19.3,1767.6 267.3,1793.4 519.5,1814.9 540.8,1648.2 681.5,1058.5 681.1,990.0 669.3,909.8 614.1,749.6 606.8,683.0 620.3,600.2 611.5,441.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0847__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.31754438318269,34.05622237290564]}},{"type":"Feature","properties":{"resourceCoords":[721.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.31600497980526,34.05583908364659]}},{"type":"Feature","properties":{"resourceCoords":[721.2,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.31727863186617,34.0522779904444]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.31881803524361,34.05266127970345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0848/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 | 1921 | sanborn00656_019 p848","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0848/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0848","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1906.7 1.0,1907.5 827.0,1901.0 1379.2,1893.5 1375.3,1730.1 1365.5,767.9 1355.5,611.5 1268.5,156.4 1266.4,1.0 826.4,1.0 607.1,173.1 579.2,253.8 524.2,234.4 341.6,168.9 400.1,765.2 358.1,885.4 106.2,1605.7 64.2,1717.7 1.0,1906.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0848/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[369.0,854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3167638,34.0491384]}},{"type":"Feature","properties":{"resourceCoords":[827.0,1901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3157418,34.0471722]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0849/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 | 1921 | sanborn00656_019 p849","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0849/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0849","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.9,1234.8 156.9,1197.3 160.1,1.9 597.4,8.6 1121.2,19.3 1305.7,20.7 1302.1,1203.2 1293.2,1203.2 1328.8,1965.3 1113.8,1964.7 623.6,1957.0 153.0,1961.8 157.9,1234.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0849/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[627.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3132252,34.0558539]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,19.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3122182,34.0580363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0850/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 | 1921 | sanborn00656_019 p850","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0850/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0850","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"809.9,1972.1 371.4,1973.9 151.5,1976.8 123.1,1977.2 76.8,1213.9 85.7,1213.8 72.7,28.7 272.1,27.5 775.0,29.0 1250.2,23.8 1307.0,19.9 1388.1,150.4 1377.0,1627.3 1303.1,1967.9 809.9,1972.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0850/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1264.0,1210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3090937,34.05584]}},{"type":"Feature","properties":{"resourceCoords":[775.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3101636,34.0580258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0851/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 | 1921 | sanborn00656_019 p851","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0851/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0851","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.2,1012.9 35.7,1069.0 1.0,1172.4 1.0,1942.6 39.3,1960.5 39.2,1977.3 583.6,1962.0 583.5,1946.3 1114.0,1947.6 1322.3,1947.6 1318.7,975.8 1302.4,975.9 1306.8,9.2 1106.1,10.0 619.4,6.1 152.2,14.4 154.1,343.2 134.9,476.5 60.1,675.0 21.6,1013.8 37.2,1012.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0851/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[579.0,1958.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31331606473739,34.050810247811484]}},{"type":"Feature","properties":{"resourceCoords":[1082.0,26.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31218130951254,34.054408669901655]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0852/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 | 1921 | sanborn00656_019 p852","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0852/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0852","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"770.4,1967.8 277.0,1963.7 95.2,1962.8 96.3,984.3 79.9,984.3 89.0,10.8 130.2,10.9 349.6,10.4 786.8,13.6 1278.8,14.9 1274.8,32.9 1369.3,77.0 1389.7,463.6 1385.0,1666.7 1292.3,1968.9 770.4,1967.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0852/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1254.0,1469.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30906159208435,34.051750539914416]}},{"type":"Feature","properties":{"resourceCoords":[768.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31015946011799,34.054398149542436]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0853/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 | 1921 | sanborn00656_019 p853","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0853/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0853","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.0,1963.0 718.1,1964.1 1355.6,1968.7 1362.2,846.1 1373.0,774.1 1322.8,754.7 1392.0,236.3 1392.0,32.4 1151.2,30.3 625.4,24.4 625.4,40.1 85.8,50.5 86.0,33.9 17.1,1.0 1.0,1.0 1.0,236.3 80.5,685.2 88.5,841.2 85.3,1800.1 87.0,1963.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0853/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1120.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3121839,34.0508289]}},{"type":"Feature","properties":{"resourceCoords":[87.0,1963.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3144932,34.0471804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0854/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 | 1921 | sanborn00656_019 p854","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0854/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0854","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"772.5,1965.8 132.1,1962.8 133.1,833.0 143.6,760.4 93.0,741.2 160.0,219.1 159.9,13.9 304.4,14.4 793.2,17.9 1310.2,18.4 1306.9,29.2 1377.8,498.9 1389.6,1481.2 1323.3,1921.6 1274.5,1965.4 772.5,1965.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0854/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1277.0,785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3090418039048,34.04939395417423]}},{"type":"Feature","properties":{"resourceCoords":[129.0,1959.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31162217792831,34.04719541220309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0856/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 | 1921 | sanborn00656_019 p856","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0856/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0856","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1194.1,1998.0 1194.6,1925.5 1199.9,1052.2 1199.8,199.0 1201.0,91.9 1200.6,41.9 850.8,1.0 214.8,1.0 1.0,559.6 1.0,1993.2 682.0,1996.3 979.3,1997.4 1194.1,1998.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0856/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[690.0,1029.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32247187360058,34.045417235872364]}},{"type":"Feature","properties":{"resourceCoords":[1218.0,1029.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32124280601799,34.04542589636203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0857/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 | 1921 | sanborn00656_019 p857","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0857/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0857","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.5,1869.8 47.8,980.0 49.7,110.7 50.5,48.5 571.6,76.8 571.6,73.7 570.6,15.6 817.2,43.3 1139.3,46.6 1276.5,48.8 1348.9,957.5 1327.5,957.3 1331.5,1951.7 1214.9,1951.4 561.5,1946.7 561.4,1953.5 39.9,1944.3 40.5,1869.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0857/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31891326651856,34.04544730067504]}},{"type":"Feature","properties":{"resourceCoords":[62.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32125276377243,34.045426614235765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0858/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 | 1921 | sanborn00656_019 p858","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0858/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0858","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.3,1969.1 96.4,959.3 118.2,959.2 36.6,36.9 226.2,38.3 432.4,37.6 1262.8,37.5 1270.5,110.1 1275.7,1982.7 966.1,1984.8 518.5,1982.5 414.0,1981.0 118.5,1969.1 109.3,1969.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0858/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3185828,34.0472373]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3154492,34.0472426]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3154401,34.0435166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3185737,34.0435113]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0859/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 | 1921 | sanborn00656_019 p859","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0859/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0859","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"663.2,13.9 1298.4,12.3 1299.2,1958.8 664.0,1957.8 619.2,1957.5 119.2,1957.5 116.8,88.8 109.2,16.3 663.2,13.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0859/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[663.0,985.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3144859,34.0453666]}},{"type":"Feature","properties":{"resourceCoords":[118.0,985.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3157144,34.045363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0860/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 | 1921 | sanborn00656_019 p860","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0860/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0860","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.4,26.0 701.5,28.0 1334.3,31.6 1334.2,284.4 1330.9,778.4 1330.4,1252.9 1333.2,1950.8 701.5,1949.5 343.5,1951.1 67.8,1949.5 67.4,26.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0860/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[87.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31300851402965,34.04537702291987]}},{"type":"Feature","properties":{"resourceCoords":[1332.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31016865651036,34.045385871413224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0861/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 | 1921 | sanborn00656_019 p861","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0861/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0861","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.6,364.6 194.8,590.7 183.3,626.8 329.2,958.6 366.8,988.1 420.3,1111.0 418.7,1293.2 430.9,1292.9 499.7,1290.8 715.3,1783.5 808.5,1998.0 923.6,1998.0 1181.0,1884.2 1347.3,1810.7 1367.0,45.8 1180.9,43.8 920.8,40.9 19.6,37.2 1.0,37.2 1.0,145.8 95.6,364.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0861/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[616.0,1555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3260173,34.0398837]}},{"type":"Feature","properties":{"resourceCoords":[-46.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3297444,34.0398739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0862/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 | 1921 | sanborn00656_019 p862","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0862/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0862","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"587.2,1585.2 193.5,1759.2 66.0,1815.5 85.6,40.0 216.1,41.3 621.9,45.7 1296.1,49.8 1299.7,148.3 1392.0,202.8 1392.0,1385.8 1371.4,1338.8 587.2,1585.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0862/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[487.0,1629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3248451,34.0417999]}},{"type":"Feature","properties":{"resourceCoords":[633.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3270254,34.0428761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0863/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 | 1921 | sanborn00656_019 p863","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0863/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0863","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"770.5,1951.3 696.6,1932.9 771.3,1904.0 1219.5,1905.5 1220.7,945.1 1223.0,1.0 259.5,1.0 171.7,806.3 172.9,1231.0 173.8,1549.1 174.8,1828.5 130.0,1933.2 175.1,1933.3 174.8,1991.8 174.8,1998.0 1229.0,1998.0 1229.2,1990.2 1230.4,1954.5 1027.2,1953.1 770.5,1951.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0863/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[696.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.323656,34.0418014]}},{"type":"Feature","properties":{"resourceCoords":[1225.0,1930.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3224453,34.0399014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0864/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 | 1921 | sanborn00656_019 p864","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0864/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0864","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1253.8,1936.1 1246.5,1407.6 1243.5,949.4 1238.5,453.6 1237.4,64.2 1237.2,1.0 590.0,1.0 492.9,1.1 188.4,4.4 1.0,6.2 1.0,19.2 188.5,17.2 196.2,959.9 205.2,1917.8 612.5,1912.6 732.0,1939.5 1253.8,1936.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0864/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32127479237509,34.04184743687867]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32006097624938,34.04184172142537]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0865/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 | 1921 | sanborn00656_019 p865","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0865/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0865","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.9,1944.4 216.7,1417.5 219.6,960.7 221.2,466.4 225.1,78.2 225.8,7.3 880.6,10.0 1006.6,9.9 1298.0,23.2 1303.3,23.4 1271.0,1947.0 1257.1,1947.1 1257.2,1957.3 216.9,1946.7 216.9,1944.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0865/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1265.0,1927.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31768557978202,34.039949143672295]}},{"type":"Feature","properties":{"resourceCoords":[214.0,1927.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32008179610895,34.03993436620168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0866/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 | 1921 | sanborn00656_019 p866","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0866/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0866","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"325.6,1941.1 54.8,1945.7 39.9,1946.0 38.5,51.5 134.9,51.6 569.8,48.6 870.5,42.9 1357.3,36.1 1392.0,35.9 1392.0,1858.3 1392.0,1926.2 1308.5,1928.8 325.6,1941.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0866/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[982.0,987.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.315468,34.0417331]}},{"type":"Feature","properties":{"resourceCoords":[982.0,1933.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3154901,34.0399182]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0867/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 | 1921 | sanborn00656_019 p867","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0867/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0867","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"696.0,23.4 973.5,24.3 1333.8,21.8 1334.0,989.9 1340.5,1955.8 557.9,1955.8 63.2,1954.1 33.8,1954.7 32.8,1954.7 55.1,23.6 64.2,23.6 696.0,23.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0867/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[51.0,986.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31450257925019,34.04174246212323]}},{"type":"Feature","properties":{"resourceCoords":[51.0,1946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31449941142643,34.039939665745266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0868/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 | 1921 | sanborn00656_019 p868","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0868/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0868","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.3,1954.5 123.7,985.4 126.4,14.2 764.2,16.1 1229.0,15.8 1221.0,30.8 1321.8,38.4 1357.5,132.2 1379.8,1616.9 1342.3,1933.8 1267.5,1953.7 608.6,1955.4 141.6,1954.5 127.3,1954.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0868/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[760.0,1929.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31014804058354,34.03997756826785]}},{"type":"Feature","properties":{"resourceCoords":[760.0,1003.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31015729389509,34.04171095120522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869__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 | 1921 | sanborn00656_019 p869 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.66"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5333.2"},{"label":"split_canvas_w","value":"2267.6"},{"label":"split_canvas_h","value":"2662.8"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"440.0,1382.7 403.6,1342.6 40.0,1345.8 1.0,1957.6 1.0,1965.5 377.1,1988.3 376.5,1998.0 393.6,1998.0 412.5,1936.4 443.7,1939.2 553.6,1661.1 498.4,1655.3 535.2,1535.4 440.0,1382.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1333.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.34430970944965,34.0326328541324]}},{"type":"Feature","properties":{"resourceCoords":[566.9,1333.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.34374139178166,34.03357520132556]}},{"type":"Feature","properties":{"resourceCoords":[566.9,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.34240469321955,34.033022423060224]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.34297301088753,34.032080075867064]}},{"type":"Feature","properties":{"resourceCoords":[253.9,1942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3428326,34.0325499]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869__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 | 1921 | sanborn00656_019 p869 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.80"},{"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":"5572.0"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1322.0,1866.2 1365.2,1852.0 1357.2,1407.6 1343.2,1407.7 1363.2,972.6 1361.2,972.6 1348.0,158.6 1285.5,16.0 345.2,17.6 176.7,77.9 93.8,1.0 77.0,1.0 147.3,94.8 120.9,218.2 176.7,219.3 90.6,507.6 59.0,507.4 45.5,570.8 28.4,573.0 36.2,925.6 144.0,1227.7 415.4,1335.6 585.4,1599.7 608.0,1902.5 786.8,1959.7 779.6,1879.5 1322.0,1866.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0869__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[171.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3416864,34.0325541]}},{"type":"Feature","properties":{"resourceCoords":[723.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3393474,34.0325643]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0870/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 | 1921 | sanborn00656_019 p870","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0870/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0870","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.0,136.3 144.8,22.6 647.6,62.5 674.8,168.5 879.6,491.9 1130.1,893.6 1265.4,1100.3 1304.0,1273.5 1382.5,1814.9 1054.3,1835.9 46.6,1876.4 90.5,1861.2 75.3,1407.0 61.0,1407.3 74.5,962.3 72.5,962.3 46.2,130.3 49.0,136.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0870/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[933.0,521.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.34009473443685,34.03616269461534]}},{"type":"Feature","properties":{"resourceCoords":[694.0,79.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3411880447856,34.03622502524147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0871/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 | 1921 | sanborn00656_019 p871","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0871/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0871","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,48.5 1.0,159.3 116.6,516.5 257.8,962.7 336.5,1193.9 330.9,1369.3 306.6,1594.3 323.7,1595.6 314.9,1872.7 1344.9,1896.9 1322.4,1433.3 1344.3,968.5 1335.2,968.4 1342.4,522.3 1327.7,522.2 1334.4,47.2 1392.0,47.6 1392.0,35.0 1392.0,29.0 493.4,16.1 51.9,66.0 1.0,48.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0871/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[130.0,522.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.340189842199,34.03612942387311]}},{"type":"Feature","properties":{"resourceCoords":[-8.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3412615526044,34.03615179803472]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0872/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 | 1921 | sanborn00656_019 p872","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0872/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0872","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1315.3,52.1 1293.8,151.7 1342.0,182.3 1262.8,292.8 1260.5,617.6 1357.3,964.5 1387.6,1888.2 1392.0,1888.8 1392.0,1922.9 95.4,1888.8 72.4,1427.9 93.4,965.9 84.3,965.8 90.9,522.4 76.3,522.3 82.2,50.1 139.2,50.6 139.2,32.1 1315.3,52.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0872/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.34052967130567,34.03837494027658]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.33957994294563,34.040827904853934]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.33536181768153,34.039690553716746]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.33631154604157,34.037237589139394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0873/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 | 1921 | sanborn00656_019 p873","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0873/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0873","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.2,1121.7 32.4,1125.2 32.5,1124.2 47.8,459.0 143.8,368.6 153.2,100.5 96.2,61.8 164.4,71.6 252.3,32.8 242.5,973.8 678.6,781.2 777.0,734.7 777.9,656.5 1392.0,412.6 1392.0,455.9 1307.5,494.8 1306.3,619.2 1288.6,1894.3 722.8,1840.0 716.8,1856.5 167.8,1869.5 159.2,1717.0 113.8,1718.3 66.2,1121.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0873/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[230.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33505764475616,34.03985745120251]}},{"type":"Feature","properties":{"resourceCoords":[706.0,770.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3339041116866,34.03984829983133]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0874/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 | 1921 | sanborn00656_019 p874","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0874/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0874","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.6,1667.7 182.3,1678.8 188.4,1839.9 261.1,1849.4 261.8,1836.9 706.9,1876.7 706.9,1849.8 1262.7,1814.8 1263.8,1376.2 1260.3,917.0 1263.8,882.9 1262.0,269.7 1261.2,28.7 1261.1,1.0 1167.2,1.0 1046.3,56.4 707.9,205.1 708.2,191.2 240.3,382.8 239.8,426.9 233.6,429.8 155.0,467.0 155.1,592.4 151.6,1667.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0874/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.0,-42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3297444,34.0398739]}},{"type":"Feature","properties":{"resourceCoords":[155.0,467.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3324319,34.0398639]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0875/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 | 1921 | sanborn00656_019 p875","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.28"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0875/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0875","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1388.4,93.6 1383.0,93.0 1383.0,37.0 1383.0,31.0 1383.0,12.0 1355.7,1.0 1353.2,1.0 1344.6,207.0 784.7,137.5 778.3,153.8 233.2,151.6 229.0,1.0 183.9,1.0 272.5,1707.8 1.0,1719.6 1.0,1736.5 1269.5,1777.2 1388.4,93.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0875/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3363447,34.0388196]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3334535,34.0378392]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.33515120000001,34.034401]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3380424,34.0353814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0876/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 | 1921 | sanborn00656_019 p876","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0876/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0876","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.5,1760.8 122.6,1761.2 164.3,157.5 235.6,166.3 236.2,154.2 672.9,190.4 672.7,164.0 1217.5,126.4 1218.4,392.8 1347.3,394.2 1315.5,408.8 1276.0,426.9 1208.6,1904.8 704.4,1760.7 698.9,1998.0 645.2,1998.0 639.5,1748.2 153.3,1783.7 154.5,1760.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0876/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3338064,34.0379479]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3309597,34.0368577]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3328475,34.0334724]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3356942,34.0345626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0877/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 | 1921 | sanborn00656_019 p877","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0877/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0877","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"282.3,1998.0 242.4,1998.0 212.0,1998.0 189.2,454.6 176.8,130.2 1177.7,11.0 1193.0,287.6 1205.6,284.7 1220.9,792.7 1255.1,1410.8 1263.0,1406.0 1351.7,1772.4 1256.6,1843.0 1031.7,1797.2 642.1,1935.7 300.8,1968.1 292.9,1991.6 282.3,1998.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0877/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33809934697992,34.03252362626801]}},{"type":"Feature","properties":{"resourceCoords":[187.0,116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33715054049338,34.03561085555577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0878/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 | 1921 | sanborn00656_019 p878","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0878/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0878","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.8,1547.1 175.8,1551.3 176.9,946.6 190.2,450.2 177.8,452.4 178.2,204.5 660.1,145.4 678.0,393.6 731.3,391.0 725.2,154.8 1233.8,273.4 1235.7,848.0 1273.0,919.8 1274.5,967.8 1392.0,908.5 1392.0,911.5 1361.4,926.6 1316.3,1104.6 1168.3,1287.7 1243.2,1508.6 1229.9,1840.5 1177.7,1802.9 1078.6,1846.5 939.3,1626.9 395.1,1814.0 249.9,1909.5 183.8,1547.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0878/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3353203,34.0353015]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3325298,34.0340919]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3346243,34.030773399999994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-118.3374148,34.031983]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0879/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 | 1921 | sanborn00656_019 p879","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0879/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0879","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.5,754.6 178.3,730.2 112.3,581.4 80.3,509.4 7.0,341.4 14.2,93.1 719.2,103.5 1175.3,105.6 1209.1,109.5 1315.7,110.5 1287.1,1429.0 1293.9,1428.8 1392.0,1672.5 1392.0,1686.5 1392.0,1691.2 774.9,1965.0 740.5,1980.3 513.3,1481.8 482.4,1506.2 425.2,1530.8 182.5,754.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0879/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[530.0,1497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3283688941801,34.03615694875092]}},{"type":"Feature","properties":{"resourceCoords":[744.0,1975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32720460833981,34.03616300670709]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0880/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 | 1921 | sanborn00656_019 p880","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0880/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0880","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"616.0,139.0 850.8,140.5 919.7,140.9 1063.4,465.1 1164.1,688.8 1153.0,724.9 1301.0,1053.2 1338.7,1082.1 1392.0,1201.5 1392.0,1384.8 1113.5,1395.7 434.8,1550.7 446.4,1578.0 407.7,1595.3 208.4,1684.3 105.1,1429.9 98.5,1430.0 123.1,135.8 616.0,139.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0880/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[357.0,1427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.327598066532,34.037929890766726]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,1427.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32654958060225,34.03988937557523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0881/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 | 1921 | sanborn00656_019 p881","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0881/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0881","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"736.0,1962.8 221.9,1964.0 221.7,1928.0 215.5,1058.9 215.2,1017.4 186.1,1017.1 313.9,347.7 418.3,81.8 442.8,19.5 965.9,15.0 1238.6,13.3 1238.8,70.7 1238.8,85.0 1239.7,303.3 1242.3,973.4 1248.8,1963.0 736.0,1962.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0881/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[726.0,999.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32602114538159,34.03799959170807]}},{"type":"Feature","properties":{"resourceCoords":[726.0,1944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32603038488706,34.036187577472866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0882/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 | 1921 | sanborn00656_019 p882","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0882/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0882","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.0,1934.5 606.1,1865.2 696.8,1864.8 696.6,1901.6 696.5,1921.6 1247.7,1915.4 1224.8,1362.3 1233.3,904.5 1235.8,223.9 1243.3,1.0 178.3,1.0 177.3,222.7 174.1,913.8 172.0,1934.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0882/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.323637,34.0379779]}},{"type":"Feature","properties":{"resourceCoords":[174.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.324826,34.0379736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0883/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 | 1921 | sanborn00656_019 p883","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0883/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0883","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"197.9,334.9 197.8,1018.5 190.9,1478.5 214.4,1998.0 1106.7,1998.0 1249.2,1662.2 1249.5,1662.0 1265.0,1621.7 1268.6,1062.2 1262.4,85.2 1262.0,30.0 731.0,30.0 609.5,1.9 195.1,4.5 1.0,5.1 1.0,53.6 206.3,54.1 205.2,90.3 197.9,334.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0883/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[731.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3212608,34.0399008]}},{"type":"Feature","properties":{"resourceCoords":[1262.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3200748,34.0399015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0884/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 | 1921 | sanborn00656_019 p884","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0884/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0884","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.8,1940.5 97.2,1944.6 776.5,1984.3 775.6,1998.0 1233.4,1998.0 1231.1,1496.4 1225.6,891.2 1225.0,492.6 1220.1,49.8 1219.5,1.0 179.4,1.0 179.9,51.7 189.3,1008.8 187.8,1556.8 174.8,1590.9 172.7,1596.3 172.4,1596.6 27.8,1940.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0884/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1235.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31767400904373,34.03802483064869]}},{"type":"Feature","properties":{"resourceCoords":[1235.0,26.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31766792163305,34.039842496131755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0885/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 | 1921 | sanborn00656_019 p885","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0885/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0885","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"749.3,1952.8 300.7,1949.9 239.9,1949.5 239.9,1920.2 242.1,1641.6 254.7,630.6 253.9,514.0 262.3,16.1 786.7,22.7 1235.6,26.5 1235.2,74.3 1227.2,1041.7 1217.7,1885.5 1207.6,1928.2 1153.0,1959.3 749.3,1952.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0885/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[248.0,1363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31638276856991,34.039912110830016]}},{"type":"Feature","properties":{"resourceCoords":[1218.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31334797688149,34.03813976848373]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0886/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 | 1921 | sanborn00656_019 p886","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0886/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0886","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"687.2,1954.2 68.1,1957.7 122.8,1925.5 132.4,1882.3 130.2,1030.1 124.4,53.3 124.4,45.2 1262.2,46.0 1279.8,639.9 1281.0,987.0 1290.2,987.0 1319.0,1954.4 1263.6,1954.5 1201.2,1953.8 687.2,1954.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0886/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[130.0,987.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3155308,34.0380949]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,987.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3155288,34.0359686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0887/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 | 1921 | sanborn00656_019 p887","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0887/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0887","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1022.2,1992.0 1022.3,1993.4 394.4,1998.0 73.9,1998.0 78.8,1004.3 119.0,1004.2 118.5,550.6 120.1,20.5 916.4,23.5 931.0,23.5 1343.1,24.6 1323.5,620.4 1329.4,620.5 1319.2,1183.0 1334.6,1183.0 1347.2,1988.1 1022.2,1992.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0887/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[109.0,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31336205408806,34.03777524509199]}},{"type":"Feature","properties":{"resourceCoords":[109.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.313375051391,34.03987179509821]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888__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 | 1921 | sanborn00656_019 p888 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"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":"3394.8"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"787.2,1953.8 845.6,1886.5 847.7,1628.5 847.7,1539.2 829.7,329.7 773.8,149.9 774.6,42.3 829.6,19.9 173.9,19.0 113.6,18.7 92.5,603.4 98.3,603.4 86.6,1155.5 101.7,1155.6 111.9,1959.5 787.8,1964.3 787.2,1953.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[805.7,589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30904493888272,34.03886490415186]}},{"type":"Feature","properties":{"resourceCoords":[805.7,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30905526555789,34.03990664797538]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888__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 | 1921 | sanborn00656_019 p888 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3394.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2177.2"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1335.2,1939.2 1391.7,1833.0 1388.7,370.3 1318.2,77.6 1370.0,21.2 874.8,21.6 875.0,274.4 872.2,768.2 872.2,1242.5 875.6,1940.2 1335.2,1939.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0888__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1345.0,978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30909115241408,34.045380271674404]}},{"type":"Feature","properties":{"resourceCoords":[1345.0,33.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.30909721055757,34.04716699936775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0889/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 | 1921 | sanborn00656_019 p889","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0889/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0889","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.9,1956.4 111.0,1956.4 1376.0,1980.0 1392.0,1953.2 1318.5,1953.6 1312.8,1017.5 1310.9,1017.5 1306.8,49.4 1304.3,49.4 1123.5,49.5 1020.4,1.0 939.3,1.0 1.0,1825.6 1.0,1952.5 109.9,1956.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0889/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,1952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33196599238896,34.032583463215836]}},{"type":"Feature","properties":{"resourceCoords":[785.0,1033.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33195884583084,34.034299023216924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0890/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 | 1921 | sanborn00656_019 p890","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0890/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0890","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"269.0,1936.7 195.5,1936.5 197.6,1000.7 195.6,1000.8 199.5,33.0 274.8,33.2 435.4,33.4 459.1,39.5 1255.9,132.7 1254.5,246.5 1257.7,485.3 1253.4,706.6 1257.2,1000.8 1246.6,1934.9 1210.2,1936.0 990.7,1909.3 585.8,1972.4 252.8,1963.4 269.0,1936.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0890/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[726.0,1938.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3295688,34.032579]}},{"type":"Feature","properties":{"resourceCoords":[197.0,33.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3307813,34.0361318]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0891/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 | 1921 | sanborn00656_019 p891","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0891/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0891","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"332.7,1974.8 152.4,1952.5 155.4,1947.3 168.3,1013.2 165.2,719.1 170.0,497.8 167.3,259.0 170.0,83.7 160.6,46.0 701.0,42.9 1218.0,47.5 1219.1,1016.0 1222.0,1016.0 1212.9,1941.2 1205.2,1972.7 332.7,1974.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0891/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[690.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3272061,34.0343358]}},{"type":"Feature","properties":{"resourceCoords":[1222.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3260073,34.0343429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0892/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 | 1921 | sanborn00656_019 p892","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0892/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0892","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.6,1974.7 1115.8,1974.2 1115.8,1950.9 1251.4,1952.0 1264.3,1029.2 1260.1,416.8 1263.3,36.5 1263.7,1.0 1167.3,1.0 743.6,66.7 219.8,59.6 209.1,59.5 208.2,1023.0 211.2,1023.0 200.3,1943.4 192.6,1974.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0892/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[208.0,1026.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32601432330044,34.03433723916735]}},{"type":"Feature","properties":{"resourceCoords":[1262.0,1925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32360856434427,34.03266767550333]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0893/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 | 1921 | sanborn00656_019 p893","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0893/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0893","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"165.2,1941.4 702.0,1936.0 1219.2,1936.3 1222.9,1006.8 1194.3,1.0 840.8,1.0 712.1,4.4 712.9,24.1 163.0,31.8 162.6,394.9 171.4,1011.8 165.2,1941.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0893/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[702.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3224285,34.0343541]}},{"type":"Feature","properties":{"resourceCoords":[702.0,1936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3224249,34.0326285]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0894/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 | 1921 | sanborn00656_019 p894","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0894/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0894","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.6,10.2 158.1,1014.0 151.5,1940.5 692.8,1941.4 1212.9,1939.7 1219.6,1310.9 1219.5,1019.1 1213.5,744.1 1235.2,744.1 1284.9,65.6 528.4,15.6 534.3,1.9 313.1,1.0 132.3,1.0 132.6,10.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0894/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3212573,34.0343617]}},{"type":"Feature","properties":{"resourceCoords":[1216.0,168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3188799,34.0359527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0895/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 | 1921 | sanborn00656_019 p895","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0895/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0895","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.3,1860.1 624.6,1863.5 623.4,1974.4 1031.5,1975.5 1273.0,1961.6 1317.1,1881.2 1392.0,1888.2 1392.0,1884.5 1392.0,1851.5 1326.8,1852.5 1319.4,1220.7 1339.0,1220.6 1325.4,639.5 1318.5,639.6 1301.0,76.7 621.5,95.6 621.5,40.1 622.0,1.0 151.4,1.0 105.4,648.0 83.4,648.0 90.0,926.8 90.8,1222.6 85.3,1860.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0895/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[74.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31889664495965,34.03382832373255]}},{"type":"Feature","properties":{"resourceCoords":[74.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31890366349091,34.035948830189966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0896/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 | 1921 | sanborn00656_019 p896","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0896/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0896","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.8,1870.5 89.6,1871.7 80.8,1240.7 100.4,1240.5 85.3,660.1 78.4,660.2 59.6,97.9 349.0,89.2 349.0,80.0 696.4,78.7 1290.8,60.7 1290.8,76.4 1331.2,76.2 1338.1,1212.4 1335.3,1867.7 1368.8,1867.5 1322.6,1966.6 891.3,1973.8 154.9,1907.2 154.8,1870.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0896/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[349.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3155288,34.0359686]}},{"type":"Feature","properties":{"resourceCoords":[349.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3155275,34.0326699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0897/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 | 1921 | sanborn00656_019 p897","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0897/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0897","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"229.4,1953.6 236.1,1304.5 236.0,179.0 196.0,178.9 197.0,20.6 197.0,19.6 513.8,20.0 1136.4,16.1 1167.5,859.9 1141.0,859.8 1132.3,1954.3 1094.2,1954.3 934.2,1954.2 934.3,1971.5 267.6,1943.3 262.6,1953.7 229.4,1953.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0897/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[236.0,755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3133328,34.0349028]}},{"type":"Feature","properties":{"resourceCoords":[236.0,179.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.313341,34.0359761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0898/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 | 1921 | sanborn00656_019 p898","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0898/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0898","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.3,1934.7 1.0,1933.4 1.0,1950.5 536.1,1977.2 1296.0,1937.5 1385.6,1673.8 1392.0,1211.2 1392.0,1174.0 1387.7,1007.8 1269.8,719.7 1350.6,61.9 1207.4,27.3 1207.8,37.9 532.9,29.2 532.8,15.4 214.3,16.6 238.9,852.8 212.7,852.4 196.0,1935.0 158.3,1934.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0898/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1223.0,866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3089996,34.0347189]}},{"type":"Feature","properties":{"resourceCoords":[196.0,1935.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3113003,34.0326786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899a/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 | 1921 | sanborn00656_019 p899a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899a","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.8,1460.0 172.6,1932.3 390.5,1833.4 439.6,1809.6 439.7,1770.3 980.1,1549.3 979.9,1556.3 1148.4,1482.3 1209.7,1454.3 1255.3,1454.3 1255.3,1433.4 1254.8,1400.1 1248.2,942.9 1247.3,810.9 1246.1,650.5 1244.5,445.8 1240.5,105.8 1290.1,103.1 1317.0,55.5 1392.0,54.1 1392.0,1.0 804.0,1.0 700.7,129.8 702.0,138.8 654.8,141.6 617.2,161.0 438.6,172.5 55.1,199.1 103.7,306.0 109.3,593.7 169.2,796.4 155.8,891.1 112.0,919.1 182.1,1419.5 172.8,1460.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[438.0,890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33204775674533,34.04293428264167]}},{"type":"Feature","properties":{"resourceCoords":[1247.0,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32797771675388,34.043170176833584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899b/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 | 1921 | sanborn00656_019 p899b","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899b","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.1,157.8 104.8,64.8 453.1,28.9 1043.2,31.6 1224.3,40.3 1257.4,61.5 1265.0,104.0 1271.2,357.6 1267.2,806.0 1267.0,1060.7 1260.6,1060.7 1266.0,1333.2 1256.1,1332.3 1272.9,1563.2 1275.3,1563.7 1239.6,1840.9 521.0,1770.0 480.9,1766.0 450.3,1626.4 415.6,1474.4 355.3,1196.8 334.3,1096.6 297.4,906.8 283.1,823.2 307.4,818.6 288.1,723.8 223.0,372.6 193.1,377.5 179.1,298.2 154.9,217.7 131.4,162.2 102.7,160.4 105.1,157.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[342.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3326574,34.0483809]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.335388,34.0527206]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899c/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 | 1921 | sanborn00656_019 p899c","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899c/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899c","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.0,1046.0 124.3,790.2 132.1,339.9 128.0,85.0 120.8,42.3 147.0,59.5 288.4,17.0 1085.3,19.9 1208.8,53.2 1291.8,33.9 1332.2,71.6 1333.2,80.6 1308.4,81.0 1292.1,792.5 1321.5,792.5 1314.5,1243.8 1314.8,1342.4 1311.0,1481.0 1134.7,1664.1 1099.2,1938.7 1098.8,1941.5 109.1,1851.0 111.1,1832.1 87.9,1829.6 126.0,1551.3 123.7,1550.8 108.8,1318.8 118.7,1319.8 115.5,1046.0 122.0,1046.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899c/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,1046.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3313663,34.0516058]}},{"type":"Feature","properties":{"resourceCoords":[128.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.335388,34.0527206]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899d/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 | 1921 | sanborn00656_019 p899d","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899d/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899d","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"320.2,21.6 1139.0,31.9 1182.8,29.8 1187.8,292.3 1192.0,292.2 1268.1,567.2 1278.7,567.0 1212.3,924.6 1258.5,926.9 1255.7,974.5 1239.4,1057.5 1224.6,1102.2 1203.5,1152.2 1170.7,1207.6 1160.5,1203.6 1100.0,1529.8 1098.2,1529.5 1076.0,1526.6 1097.4,1963.5 1092.5,1963.0 1056.0,1959.0 602.5,1911.3 433.1,1896.5 394.3,1894.6 92.5,1863.2 124.0,1589.5 297.1,1404.8 299.0,1266.9 297.4,1168.8 298.1,719.7 268.9,720.0 275.4,11.9 300.1,11.2 320.2,21.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899d/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[588.0,1901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32540892948036,34.055661716361456]}},{"type":"Feature","properties":{"resourceCoords":[1176.0,1189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32754996269337,34.05855358610681]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e__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 | 1921 | sanborn00656_019 p899e [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5572.0"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"200.2,41.6 201.3,304.1 205.5,304.1 277.6,580.2 288.2,580.2 216.7,936.9 262.8,939.8 259.3,987.4 241.8,1070.1 226.4,1114.6 204.5,1164.4 170.8,1219.3 160.8,1215.1 95.5,1540.3 93.8,1540.1 71.6,1536.9 86.6,1974.1 110.7,1977.1 273.5,1997.7 248.4,1913.1 765.4,1896.0 768.6,1912.2 1359.0,1965.5 1358.0,1962.2 1349.7,1933.2 1352.0,1931.7 1289.5,1592.3 1251.2,1607.0 1167.3,1318.8 1153.2,1274.2 1121.3,1273.0 1120.3,1268.4 1118.0,1258.2 1082.8,1235.4 1003.8,851.7 956.1,90.8 763.7,22.4 200.2,41.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[283.0,2002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3240260428945,34.058011499507124]}},{"type":"Feature","properties":{"resourceCoords":[1438.0,2227.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32148732155925,34.06178781517961]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e__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 | 1921 | sanborn00656_019 p899e [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4006.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1566.0"},{"label":"split_canvas_h","value":"5092.0"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1097.8,670.3 1082.0,675.5 1162.0,1190.2 1243.4,1154.8 1352.5,1105.3 1353.2,557.6 1352.1,383.6 1275.3,1.0 1249.4,1.0 1211.3,17.6 1169.9,35.1 1079.3,73.6 1097.8,670.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899e__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1237.2,1151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32407498298,34.058005220570394]}},{"type":"Feature","properties":{"resourceCoords":[1356.0,-36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32138833179718,34.061744691530365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899f/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 | 1921 | sanborn00656_019 p899f","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899f/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899f","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.4,1916.8 36.0,1661.0 48.5,348.9 91.3,100.2 135.0,67.2 693.8,13.6 1000.8,34.1 1265.3,20.7 1274.3,731.2 1299.8,740.1 1339.6,756.9 1291.5,914.1 1252.2,1012.4 1139.0,1267.5 1102.5,1323.1 1039.3,1383.4 1020.5,1409.0 852.5,1851.8 834.1,1910.3 831.1,1948.4 829.0,1976.2 669.6,1974.3 399.6,1973.9 188.0,1977.0 55.4,1916.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899f/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[660.0,1385.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32364680537073,34.071131963301504]}},{"type":"Feature","properties":{"resourceCoords":[661.0,873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.32363239720736,34.07302176964009]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899g/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 | 1921 | sanborn00656_019 p899g","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899g/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899g","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"336.8,1994.8 270.4,1995.4 150.4,1998.0 113.0,1998.0 14.2,1998.0 16.1,1972.8 19.1,1934.5 37.7,1875.7 207.4,1431.0 226.4,1405.3 290.0,1344.8 326.8,1289.0 441.0,1032.8 480.7,934.1 529.3,776.1 489.4,759.2 488.8,759.0 463.8,750.1 456.1,36.0 902.5,14.2 1288.2,53.6 1292.5,16.2 1318.8,16.1 1307.5,43.9 1308.4,433.0 1311.0,883.1 1331.5,883.0 1355.3,882.9 1349.8,1401.5 1343.7,1401.5 1327.8,1992.2 1318.8,1992.3 926.2,1993.3 675.6,1995.9 336.8,1994.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899g/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,1388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3205482555427,34.07119222994525]}},{"type":"Feature","properties":{"resourceCoords":[1030.0,890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.31838803448161,34.07301648499636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899h/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 | 1921 | sanborn00656_019 p899h","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:08:13Z","modified":"2026-10-18T01:08:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899h/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899h","type":"ImageService3","width":1393,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.3,1188.8 81.5,1609.8 85.7,1789.5 103.7,1828.0 104.5,1875.6 113.5,1874.5 239.6,1984.3 239.1,1998.0 655.5,1998.0 845.0,1898.0 915.0,1898.9 1120.2,1906.0 1350.4,1913.8 1356.1,1604.2 911.1,1587.4 870.6,1585.9 831.5,1447.9 787.5,1297.6 710.1,1023.2 682.9,924.0 634.4,736.1 615.0,653.2 639.1,647.1 614.0,553.3 527.2,205.3 497.6,212.0 478.8,133.4 449.6,54.2 423.2,1.0 392.9,1.0 366.8,33.0 126.2,106.8 147.0,158.1 95.5,266.5 66.8,656.2 95.5,923.1 73.3,1188.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656192108:00656_08_1921-0899h/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[571.0,1450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33056969368549,34.047213519921655]}},{"type":"Feature","properties":{"resourceCoords":[520.0,205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.33574794335686,34.048754536359404]}}]}}]}