{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00517_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"East Berkeley, California | 1890 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"9"},{"label":"placed","value":"6"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 5, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.86927,-122.26711 +/-523m); p6__1 (tier 4, 37.86927,-122.26711 +/-523m); p6__2 (tier 4, 37.86927,-122.26711 +/-523m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Berkeley, California | 1890 | sanborn00517_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3080.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4571.2"}],"created":"2026-09-22T07:36:11Z","modified":"2026-09-22T07:36:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1673.0 1539.6,1661.0 1552.4,941.2 1613.0,946.3 1613.0,834.5 0.0,770.2 -0.0,1913.0 1034.5,1913.0 1035.3,1872.8 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[537.0,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.268498,37.8730281]}},{"type":"Feature","properties":{"resourceCoords":[1026.0,876.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2661139,37.8724448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Berkeley, California | 1890 | sanborn00517_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:36:11Z","modified":"2026-09-22T07:36:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1005.5,359.8 1507.7,384.1 1512.5,1182.2 1613.0,1187.7 1613.0,1913.0 -0.0,1913.0 -0.0,425.8 1005.6,400.3 1005.5,359.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2679411718825,37.87404296276433]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.267367200033,37.87109028870676]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27177229846448,37.87054914614983]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.27234627031399,37.873501820207395]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Berkeley, California | 1890 | sanborn00517_001 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-22T07:36:11Z","modified":"2026-09-22T07:36:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.5,1913.0 96.0,1089.5 176.7,1086.8 157.0,837.8 79.9,831.3 34.9,124.8 34.0,83.3 97.4,83.7 90.8,-0.0 607.1,-0.0 612.7,90.8 1050.3,103.0 1463.2,322.8 1560.8,332.3 1613.0,1913.0 146.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1057.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2658115,37.8696465]}},{"type":"Feature","properties":{"resourceCoords":[96.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2682891,37.8711745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Berkeley, California | 1890 | sanborn00517_001 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-22T07:36:11Z","modified":"2026-09-22T07:36:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 68.5,1913.0 79.6,1124.0 45.4,944.5 84.5,946.9 76.2,894.0 38.6,893.9 43.9,832.0 288.4,418.4 325.9,0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.0,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2635521,37.8672267]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2658202,37.8669363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Berkeley, California | 1890 | sanborn00517_001 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4042.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3610.0"}],"created":"2026-09-22T07:36:11Z","modified":"2026-09-22T07:36:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1862.5 1530.8,1857.2 1523.5,1064.5 1425.8,1064.4 1425.3,1014.1 1089.7,1013.3 1090.2,1064.3 315.1,1064.0 139.2,1096.7 141.1,1060.5 89.2,1069.1 95.5,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,1064.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2658202,37.8669363]}},{"type":"Feature","properties":{"resourceCoords":[1524.0,1064.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2656459,37.8660376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Berkeley, California | 1890 | sanborn00517_001 p5 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"4058.4"}],"created":"2026-09-22T07:36:11Z","modified":"2026-09-22T07:36:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 1466.0,0.0 1365.6,0.0 -0.0,0.0 -0.0,83.0 99.0,83.0 98.2,886.7 181.6,892.9 181.0,944.0 -0.0,942.2 0.0,1010.5 1613.0,1014.6 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005171890:00517_1890-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,914.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2675833,37.8657865]}},{"type":"Feature","properties":{"resourceCoords":[99.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2656459,37.8660376]}}]}}]}