{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00747_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Palo Alto, California | 1908 | 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":"27"},{"label":"placed","value":"21"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 18, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p21__2 (tier 1, 37.44767,-122.14497 +/-100m); p21__3 (tier 1, 37.44552,-122.14727 +/-100m); p22 (tier 4, 37.44615,-122.15730 +/-842m); p23 (tier 4, 37.44615,-122.15730 +/-842m); p4__2 (tier 1, 37.45212,-122.16478 +/-100m); p8__2 (tier 1, 37.44567,-122.15051 +/-113m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p10","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1226.1,1816.5 21.5,1811.7 20.2,1795.5 131.9,1102.7 118.2,1001.5 41.0,1033.8 15.0,905.0 30.1,139.6 625.5,144.1 925.1,142.7 1574.8,151.6 1572.7,563.1 1570.4,590.1 1571.0,1014.2 1568.0,1820.0 1226.1,1816.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1639441,37.4512752]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1641217,37.4474768]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p11","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1267.3,1804.0 798.7,1808.4 111.6,1795.5 114.3,992.1 113.7,569.2 116.0,542.4 118.0,132.0 1496.3,142.5 1489.8,1425.2 1483.3,1805.2 1267.3,1804.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1490.0,1384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1610135,37.446512]}},{"type":"Feature","properties":{"resourceCoords":[118.0,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1617353,37.4498846]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.2,1408.5 138.4,124.7 875.8,125.9 1108.9,127.8 1513.3,126.9 1514.7,331.1 1524.8,952.7 1523.2,1376.7 1519.8,1569.6 1521.7,1792.8 1183.2,1797.3 779.1,1798.6 487.2,1797.6 137.4,1788.9 141.2,1408.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[837.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1603693,37.4450955]}},{"type":"Feature","properties":{"resourceCoords":[837.0,126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1579625,37.447507]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"793.6,1795.9 102.0,1803.0 100.0,1578.4 103.4,1384.4 105.0,958.0 94.7,332.8 93.2,127.4 1477.1,124.9 1472.9,538.7 1474.8,960.9 1474.3,1381.8 1482.0,1799.8 793.6,1795.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[789.0,958.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1566678,37.4447511]}},{"type":"Feature","properties":{"resourceCoords":[105.0,958.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.157903,37.4455285]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p14","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"842.1,123.2 1490.7,126.6 1491.3,172.0 1492.5,1767.9 1492.5,1792.4 123.9,1795.0 124.0,1790.3 117.3,1374.4 118.8,955.8 118.0,535.8 123.2,124.0 842.1,123.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[811.0,1375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1547762,37.4425737]}},{"type":"Feature","properties":{"resourceCoords":[811.0,123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.15298,37.4443815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.6,1794.1 1365.2,1798.4 1351.8,1785.9 1289.2,1886.1 1283.2,1828.2 1260.5,1806.3 1194.0,1799.7 1169.8,1781.5 1060.7,1786.4 720.0,1785.0 29.1,1786.0 29.2,1755.5 29.9,152.9 29.4,107.3 753.7,110.9 1538.6,116.5 1493.0,338.2 1610.8,714.1 1611.7,1322.7 1586.0,1802.2 1535.5,1857.5 1535.6,1794.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1528903,37.4404053]}},{"type":"Feature","properties":{"resourceCoords":[720.0,111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1505023,37.4428146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1489.0,1871.0 91.5,1840.0 29.5,1665.8 59.9,612.0 16.3,60.1 1215.3,64.1 1555.7,67.3 1552.6,483.2 1558.5,483.1 1555.2,1310.8 1544.1,1310.7 1550.0,1745.3 1612.0,1745.7 1612.0,1757.6 1612.0,1766.3 1489.0,1871.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[867.0,903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.16657826715083,37.44704417822536]}},{"type":"Feature","properties":{"resourceCoords":[1549.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.16414488895461,37.447473217638965]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.3,1724.5 58.0,1724.7 47.9,1287.7 59.0,1287.7 54.4,455.4 48.5,455.6 47.7,37.3 737.6,43.4 1208.0,34.4 1424.8,33.4 1420.8,75.8 1419.3,407.1 1432.3,490.4 1432.2,794.8 1436.1,1290.0 1417.3,1365.9 1415.7,1852.9 1241.5,1866.7 338.3,1722.8 131.2,1735.9 120.5,1745.2 120.3,1724.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1439.0,878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.16281765126814,37.44467998940775]}},{"type":"Feature","properties":{"resourceCoords":[748.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.16288431123536,37.44664794974173]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1421.7,1793.2 945.5,1875.8 684.4,1827.8 124.6,1866.4 131.2,1379.7 150.8,1304.1 152.0,809.1 155.2,504.9 143.1,421.4 147.9,90.3 152.5,48.0 503.0,59.4 795.7,62.6 1200.8,64.4 1540.2,62.5 1539.5,895.4 1537.9,1357.7 1530.7,1743.7 1566.0,1745.1 1457.9,1805.8 1421.7,1793.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[159.0,899.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.16282514899757,37.444669048911436]}},{"type":"Feature","properties":{"resourceCoords":[856.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.16038574872955,37.445071893697204]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p19","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.6,1888.3 1157.8,1827.5 327.6,1891.4 59.8,1801.0 166.2,1740.2 131.3,1739.0 135.7,1357.2 134.0,900.0 128.7,76.3 810.5,69.8 1489.2,74.1 1488.7,109.6 1483.8,487.9 1487.6,1141.9 1485.1,1357.0 1491.3,1739.5 1507.1,1884.8 1502.6,1888.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[134.0,900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1603034,37.4431158]}},{"type":"Feature","properties":{"resourceCoords":[1486.0,900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1578256,37.4415584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1505.1,1837.5 1502.0,1706.0 1503.8,994.7 1601.8,994.2 1582.3,311.1 1519.3,41.9 63.6,40.4 45.0,1735.0 1.0,1769.8 1.0,1805.0 799.3,1834.2 799.2,1838.6 852.8,1841.5 1276.7,1842.3 1505.1,1837.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1580771,37.4515261]}},{"type":"Feature","properties":{"resourceCoords":[807.0,163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1544227,37.4531486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p20","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1568.1,1806.0 1485.0,1853.3 1171.3,1878.9 203.8,1828.6 151.3,1870.2 135.5,1724.9 129.3,1342.2 131.8,1126.9 128.0,472.6 132.9,94.0 133.3,63.1 1490.3,58.2 1490.3,64.0 1492.0,453.6 1493.8,1728.7 1555.0,1729.1 1555.9,1698.8 1590.6,1698.7 1568.1,1806.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[815.0,473.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1559741,37.441369]}},{"type":"Feature","properties":{"resourceCoords":[815.0,1727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1577924,37.4395453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p21 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.6,1706.0 212.4,1702.0 425.6,1664.5 463.6,1706.0 484.2,1706.0 512.2,1706.0 512.5,1705.4 512.5,1706.0 512.5,1759.2 624.4,1881.0 911.6,1878.4 981.5,1417.3 981.5,1412.5 982.2,1412.5 982.3,1411.9 1514.5,1412.0 1582.7,1143.5 1572.1,171.8 1612.0,128.0 1612.0,64.9 1442.5,69.4 1429.1,57.0 1366.9,156.8 1360.9,99.2 1338.3,77.4 1272.1,70.8 1248.0,52.8 1139.5,57.9 800.5,56.9 113.2,58.7 114.3,451.4 114.0,1736.0 175.7,1736.5 176.6,1706.0 211.6,1706.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1565515,37.4387614]}},{"type":"Feature","properties":{"resourceCoords":[1482.0,893.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1528507,37.4384198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3474.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4177.6"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"706.0,1879.0 1401.1,1888.9 1583.2,1887.5 1592.4,1810.2 1558.8,915.8 358.1,891.9 99.7,918.3 33.4,1012.5 33.9,1035.7 27.5,1876.7 706.0,1879.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1518389,37.4476081]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,1052.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.149392,37.4480205]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p3 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.96"},{"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":"3474.4"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1439.2,861.0 1443.0,18.8 1420.8,26.3 169.1,26.4 169.0,21.2 71.4,21.6 69.3,729.6 72.3,860.5 756.6,867.0 995.4,860.8 1439.2,861.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[69.0,440.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1549615,37.4505571]}},{"type":"Feature","properties":{"resourceCoords":[757.0,440.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1537101,37.4497711]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p4 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"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":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"8.4,1841.8 605.0,1844.1 905.4,1841.6 1556.3,1848.1 1548.6,1003.2 1558.3,550.9 1559.0,176.7 1612.0,177.6 1612.0,166.2 1612.0,146.8 1557.1,144.2 1558.0,109.5 1558.0,105.8 1209.8,43.8 975.0,78.5 477.6,29.5 419.5,515.4 29.6,531.6 8.4,1841.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.0,1001.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1617721,37.4518821]}},{"type":"Feature","properties":{"resourceCoords":[335.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1639441,37.4512752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.3,1790.7 112.5,956.7 119.3,510.1 117.8,140.7 170.1,141.2 169.8,110.9 115.7,108.7 116.3,74.4 213.6,87.5 422.7,82.2 1473.2,117.6 1473.2,121.9 1488.6,542.2 1492.5,955.6 1490.6,1293.2 1493.0,1787.8 125.3,1790.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1491.0,1368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1586219,37.4489191]}},{"type":"Feature","properties":{"resourceCoords":[119.0,533.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.159915,37.451718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1100.8,1794.0 866.7,1793.4 126.0,1796.2 122.2,1295.0 123.0,953.0 117.9,534.1 101.1,108.4 154.7,111.0 579.0,109.4 807.5,103.3 1495.3,105.6 1499.4,246.3 1500.5,910.5 1507.0,1791.0 1100.8,1794.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[123.0,953.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1580186,37.4495162]}},{"type":"Feature","properties":{"resourceCoords":[1507.0,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1567352,37.4467328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.0,1795.0 112.0,919.2 113.5,258.6 110.0,118.6 348.6,111.8 792.3,111.0 1471.5,109.8 1483.0,954.0 1489.6,1790.8 115.0,1795.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[115.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1567352,37.4467328]}},{"type":"Feature","properties":{"resourceCoords":[1483.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1530366,37.4463777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p8 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"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":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1489.0,1779.0 1489.5,1732.6 1480.4,996.7 1480.6,880.4 1458.2,880.3 1100.8,902.2 1045.7,877.5 1045.7,877.5 1045.7,872.0 1045.7,849.0 941.1,747.9 910.2,472.7 976.7,214.0 924.4,124.3 982.9,115.5 984.6,100.2 802.0,102.4 104.7,95.3 115.2,941.2 120.8,1779.7 840.1,1777.2 1489.0,1779.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[807.0,943.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.151784,37.4455851]}},{"type":"Feature","properties":{"resourceCoords":[1489.0,1779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1517491,37.4436021]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Palo Alto, California | 1908 | sanborn00747_005 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:40:00Z","modified":"2026-10-19T18:40:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"787.0,1798.6 69.6,1794.6 70.2,1748.5 64.3,1016.9 65.0,901.2 43.1,901.0 59.9,25.4 806.9,78.7 1442.1,24.9 1585.1,88.8 1594.6,963.0 1493.0,1246.9 1606.1,1603.5 1564.5,1804.8 787.0,1798.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007471908:00747_1908-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[72.0,546.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.149948,37.4454145]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.1480639,37.4432514]}}]}}]}