{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00402_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Azusa, California | 1888 | 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":"5"},{"label":"placed","value":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p2__3 (tier 4, 34.13340,-117.90789 +/-309m); p2__4 (tier 4, 34.13340,-117.90789 +/-309m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Azusa, California | 1888 | sanborn00402_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:08:33Z","modified":"2026-10-19T02:08:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.7,1894.2 13.7,1830.7 38.6,58.8 516.4,15.1 616.9,102.3 617.1,83.2 1176.8,88.7 1176.7,95.9 1587.9,104.2 1592.3,340.2 1537.1,581.5 1596.5,1048.8 1527.1,1290.2 1584.8,1452.8 1587.2,1856.8 1504.0,1883.8 1449.6,1883.5 869.7,1883.9 860.4,1897.4 860.5,1903.3 63.7,1894.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1175.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9075381,34.1316717]}},{"type":"Feature","properties":{"resourceCoords":[39.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9101505,34.1316845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Azusa, California | 1888 | sanborn00402_001 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.51"},{"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":"4208.0"},{"label":"split_canvas_h","value":"4886.8"}],"created":"2026-10-19T02:08:33Z","modified":"2026-10-19T02:08:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"951.0,790.1 951.0,789.9 951.0,788.5 941.3,783.1 896.2,555.0 902.5,41.9 42.4,27.0 16.4,1074.3 1.0,1077.0 1.0,1078.0 97.8,1160.5 97.8,1141.8 645.5,1142.3 645.5,1149.3 1047.8,1153.9 1039.2,837.2 953.8,790.1 951.0,790.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[635.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.907496,34.137207]}},{"type":"Feature","properties":{"resourceCoords":[87.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9087839,34.1372229]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Azusa, California | 1888 | sanborn00402_001 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3804.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2648.0"},{"label":"split_canvas_h","value":"4886.8"}],"created":"2026-10-19T02:08:33Z","modified":"2026-10-19T02:08:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"951.0,63.2 951.0,69.3 969.9,69.7 1005.7,781.5 1052.0,788.8 1052.0,852.4 1144.8,994.5 1093.3,1119.2 1232.7,1200.1 1541.0,1185.8 1585.2,1075.8 1593.7,187.9 1542.5,77.8 1612.0,55.7 1561.3,53.2 960.7,49.3 951.0,49.2 951.0,63.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364am:g4364am_g004021888:00402_1888-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1273.0,1038.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9075438833427,34.12985526739007]}},{"type":"Feature","properties":{"resourceCoords":[1273.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.90754680404797,34.13165086509889]}}]}}]}