{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00620_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"La Jolla, California | 1909 | 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":"5"},{"label":"placed","value":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 2, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 32.84663,-117.27440 +/-217m); p3__2 (tier 1, 32.84685,-117.27225 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Jolla, California | 1909 | sanborn00620_001 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1552.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6100.0"}],"created":"2026-10-18T14:54:57Z","modified":"2026-10-18T14:54:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1430.5,1890.3 1550.1,1465.1 1594.0,1465.3 1595.5,1303.8 1600.5,1286.0 1600.8,1031.4 1598.3,972.5 1598.4,650.2 1586.9,579.2 1548.8,595.0 1414.9,388.0 1367.9,388.0 1368.6,398.2 1223.0,404.5 1064.3,543.7 162.7,544.0 62.2,607.9 27.5,765.2 1.0,1883.2 1.0,1909.6 864.1,1912.0 1219.8,1912.0 1219.7,1889.2 1430.5,1890.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1036.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.27575472472726,32.84657516650548]}},{"type":"Feature","properties":{"resourceCoords":[1584.0,466.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.27484953125975,32.847638500025326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Jolla, California | 1909 | sanborn00620_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T14:54:57Z","modified":"2026-10-18T14:54:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.8,363.8 94.0,77.7 490.3,38.6 453.4,112.6 903.1,181.3 1229.7,37.4 1520.2,44.5 1612.0,362.6 1612.0,502.8 1610.2,1194.6 1541.9,1536.7 1566.0,1851.6 1464.2,1912.0 1443.1,1899.0 1154.5,1895.6 872.7,1895.2 285.2,1891.0 283.8,1831.5 290.3,1505.8 280.1,1433.8 241.3,1449.0 110.2,1237.2 62.6,1236.3 18.8,363.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[289.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.27449186600606,32.846664582963776]}},{"type":"Feature","properties":{"resourceCoords":[289.0,1373.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.2747971621443,32.84754947975275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Jolla, California | 1909 | sanborn00620_001 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T14:54:57Z","modified":"2026-10-18T14:54:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.5,963.1 73.9,1864.2 821.0,1885.3 1103.0,1809.3 1523.9,1871.3 1566.4,1744.7 1534.9,99.8 1570.6,77.9 1572.3,76.9 1550.8,77.2 1551.0,64.1 1261.8,64.7 979.6,68.1 391.0,72.0 389.1,329.8 383.9,347.6 381.5,502.7 381.4,511.2 337.1,510.7 213.3,940.5 1.0,938.0 1.0,962.7 37.5,963.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g006201909:00620_1909-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[391.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.273491,32.8435826]}},{"type":"Feature","properties":{"resourceCoords":[391.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.274492,32.8466399]}}]}}]}