{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00476_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Compton, California | 1922 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"13"},{"label":"placed","value":"6"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 5, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p2 (tier 2, 33.89490,-118.21937 +/-100m); p4 (tier 2, 33.89882,-118.22270 +/-100m); p5 (tier 2, 33.89518,-118.22234 +/-138m); p7__2 (tier 2, 33.89134,-118.22180 +/-135m); p7__3 (tier 2, 33.89134,-118.22180 +/-135m); p8__1 (tier 2, 33.89361,-118.22495 +/-583m); p8__2 (tier 2, 33.89361,-118.22495 +/-583m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Compton, California | 1922 | sanborn00476_008 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:37:46Z","modified":"2026-10-19T09:37:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.5,1874.9 1585.5,1860.5 1611.9,341.9 1550.8,1.0 1170.9,1.0 1172.0,21.2 1052.2,22.3 1053.3,130.1 567.9,151.6 566.9,80.1 535.4,26.5 500.5,84.4 501.2,135.7 1.0,194.2 1.0,211.6 81.6,222.0 45.3,232.2 48.3,942.0 43.9,942.0 52.0,1864.2 76.5,1874.9 77.5,1874.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1062.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2262421,33.8911432]}},{"type":"Feature","properties":{"resourceCoords":[43.0,1884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2285324,33.8930522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Compton, California | 1922 | sanborn00476_008 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"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":"3185.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4466.4"}],"created":"2026-10-19T09:37:46Z","modified":"2026-10-19T09:37:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.2,834.5 21.2,1856.7 1551.3,1910.6 1593.0,833.8 1612.0,833.9 1612.0,824.1 1612.0,822.3 41.9,821.3 26.2,834.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1037.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2308744,33.8939534]}},{"type":"Feature","properties":{"resourceCoords":[483.0,838.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2286676,33.8951029]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Compton, California | 1922 | sanborn00476_008 p3","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:37:46Z","modified":"2026-10-19T09:37:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.7,985.6 1590.8,1344.4 1551.0,1882.0 36.1,1883.9 10.5,1276.4 46.2,808.2 47.1,50.9 259.5,19.2 636.2,50.7 1547.3,48.9 1592.2,499.2 1563.7,985.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[883.0,512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2224144,33.9013379]}},{"type":"Feature","properties":{"resourceCoords":[1253.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2254428,33.8999587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Compton, California | 1922 | sanborn00476_008 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.04"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:37:46Z","modified":"2026-10-19T09:37:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1726.1 1612.0,1646.1 1595.3,1629.2 1582.3,1628.5 1580.9,963.0 1560.0,962.0 1591.3,352.8 1599.7,331.4 1597.6,332.5 1595.4,98.9 1534.8,18.3 936.2,62.1 602.0,11.4 38.6,21.7 17.8,1648.1 1.0,1648.3 1.0,1684.1 709.9,1818.5 710.6,1805.4 1095.8,1783.2 1097.6,1744.1 1126.8,1701.5 1148.5,1743.8 1146.0,1798.4 1517.5,1803.9 1521.5,1721.6 1612.0,1726.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[550.0,156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2195601,33.8941287]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2217072,33.8913469]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Compton, California | 1922 | sanborn00476_008 p7 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.78"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:37:46Z","modified":"2026-10-19T09:37:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.5,1870.8 152.9,1912.0 529.7,1912.0 526.2,1891.3 1423.1,1891.5 1536.4,1839.2 1576.0,768.2 1127.4,771.7 1127.0,767.5 1124.0,767.5 1124.0,728.8 1097.6,395.1 890.1,391.5 856.2,373.8 846.4,35.1 119.7,15.3 31.1,67.2 21.0,97.4 16.6,946.0 45.6,946.0 90.4,1870.7 108.5,1870.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[574.0,946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2216363,33.890324]}},{"type":"Feature","properties":{"resourceCoords":[1123.0,946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2215664,33.8893166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Compton, California | 1922 | sanborn00476_008 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:37:46Z","modified":"2026-10-19T09:37:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.8,212.7 1575.5,939.7 1571.0,939.8 1576.3,1884.2 56.9,1899.7 42.6,1912.0 41.6,1912.0 30.3,30.8 566.3,16.9 569.0,64.3 1612.0,202.4 1574.8,212.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004761922:00476_1922-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1028.0,1896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.22857230549225,33.89408048803327]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,1896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.22851334206837,33.893058672202635]}}]}}]}