{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00793_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Riverside, California | 1891 | 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-snap 4, georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 33.98288,-117.36507 +/-142m); p1__2 (tier 1, 33.98358,-117.36466 +/-122m); p1__3 (tier 1, 33.98318,-117.38344 +/-148m); p1__4 (tier 1, 33.98370,-117.38292 +/-100m); p1__5 (tier 1, 33.97965,-117.36621 +/-100m); p7__1 (tier 1, 33.98125,-117.37217 +/-270m); p7__2 (tier 1, 33.97862,-117.36892 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Riverside, California | 1891 | sanborn00793_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:12:19Z","modified":"2026-10-19T04:12:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1469.0,1857.3 1182.2,1855.1 499.8,1859.4 327.6,1862.3 95.1,1861.5 47.8,1862.2 52.8,1242.5 48.5,1242.4 36.1,650.7 15.1,650.4 14.3,275.7 72.4,29.4 1143.8,46.8 1173.1,25.6 1173.6,79.7 1612.0,71.7 1612.0,103.3 1573.8,119.3 1558.2,735.9 1500.7,906.1 1589.0,1820.5 1538.8,1889.3 1469.3,1893.0 1469.0,1857.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1169.0,644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3708121689215,33.98285975098576]}},{"type":"Feature","properties":{"resourceCoords":[58.0,644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37304268069758,33.98390703985431]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Riverside, California | 1891 | sanborn00793_005 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2434.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5217.2"}],"created":"2026-10-19T04:12:19Z","modified":"2026-10-19T04:12:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"29.9,1852.8 638.3,1860.4 638.4,1856.2 1219.2,1846.8 1219.7,1826.1 1587.5,1827.0 1581.3,1825.5 1568.7,1095.2 1491.1,1027.6 1566.2,977.6 1488.9,783.0 1561.3,742.4 1567.1,667.8 1498.2,628.4 1459.4,628.1 38.5,643.7 28.7,1223.7 29.6,1828.6 29.9,1852.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1218.0,1218.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37438474652116,33.98451318098316]}},{"type":"Feature","properties":{"resourceCoords":[1218.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37312580350803,33.983928338647864]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Riverside, California | 1891 | sanborn00793_005 p3 [2]","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":"6452.0"},{"label":"split_canvas_h","value":"2516.0"}],"created":"2026-10-19T04:12:19Z","modified":"2026-10-19T04:12:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.3,32.3 127.0,32.2 129.8,479.9 97.8,480.5 149.4,608.4 1464.1,608.1 1534.7,273.5 1415.8,117.1 988.1,56.6 198.6,55.4 182.3,32.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[719.0,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36946358946376,33.98474240401543]}},{"type":"Feature","properties":{"resourceCoords":[1285.0,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3688470703791,33.98567156483975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Riverside, California | 1891 | sanborn00793_005 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:12:19Z","modified":"2026-10-19T04:12:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14.5,1734.5 85.6,1713.2 19.6,902.0 78.8,48.1 963.5,22.1 988.1,22.9 1152.9,104.0 1371.7,52.2 1570.3,85.2 1602.5,618.9 1581.6,1225.8 1571.3,1858.8 1571.2,1871.2 972.8,1846.7 972.7,1856.1 379.6,1842.7 358.4,1844.9 14.5,1734.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[975.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3763963,33.9814958]}},{"type":"Feature","properties":{"resourceCoords":[400.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3793487,33.9815953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Riverside, California | 1891 | sanborn00793_005 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:12:19Z","modified":"2026-10-19T04:12:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.0,1328.2 129.5,1307.0 134.9,714.8 125.5,714.9 142.0,117.2 203.4,116.7 441.8,119.6 618.4,118.2 1318.0,119.9 1612.0,124.7 1612.0,158.6 1612.0,161.2 1570.3,163.1 1581.8,735.3 1484.8,962.8 1571.6,1402.3 1543.2,1872.8 90.5,1876.8 26.4,1672.9 132.0,1328.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[132.0,1307.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3757922,33.9799676]}},{"type":"Feature","properties":{"resourceCoords":[1319.0,1307.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3734564,33.9788931]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Riverside, California | 1891 | sanborn00793_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.41"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:12:19Z","modified":"2026-10-19T04:12:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.8,1869.0 50.0,45.0 1162.2,17.3 1507.5,118.7 1545.3,202.7 1507.0,457.1 1573.1,533.7 1600.8,776.2 1566.4,1833.8 1217.3,1887.5 71.8,1869.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007931891:00793_1891-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[367.0,1257.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36940030334334,33.97823874356771]}},{"type":"Feature","properties":{"resourceCoords":[367.0,1830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3700324952876,33.977278793748845]}}]}}]}