{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00675_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Marysville, California | 1909 | 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":"21"},{"label":"placed","value":"20"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 12, georef 8"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p18__2 (tier 1, 39.13782,-121.58559 +/-106m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"510.0,41.4 512.2,71.8 1461.5,93.1 1531.2,111.8 1612.0,533.6 1612.0,537.0 1605.8,1846.8 1612.0,1853.8 1612.0,1870.7 904.8,1895.2 904.8,1867.2 519.9,1864.7 197.7,1867.8 196.5,1346.6 196.1,193.7 198.8,45.7 510.0,41.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1450.0,1262.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58338576204594,39.14303965134113]}},{"type":"Feature","properties":{"resourceCoords":[1131.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58443715369721,39.145171126211835]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.6,1881.2 22.7,1836.9 19.0,439.6 35.0,68.3 57.5,33.4 89.3,37.3 234.1,45.9 233.9,32.6 300.8,34.3 1514.8,32.5 1516.4,633.6 1525.2,1292.8 1522.5,1842.1 1337.3,1843.3 1337.7,1878.0 98.6,1881.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1205.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59584161727028,39.139771109230495]}},{"type":"Feature","properties":{"resourceCoords":[567.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59750520703908,39.14076325999088]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p12","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"19.3,1299.0 49.0,1882.4 1280.9,1878.5 1281.0,1873.8 1460.0,1874.5 1471.6,1276.2 1472.5,792.6 1459.0,586.1 1473.8,69.1 1139.0,61.0 826.3,64.8 507.8,56.1 192.5,52.8 194.2,713.9 185.8,1264.7 1.0,1264.0 1.0,1298.8 19.3,1299.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1139.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5928456,39.1400398]}},{"type":"Feature","properties":{"resourceCoords":[1139.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5930048,39.1411347]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.8,1280.8 172.1,792.6 153.9,584.4 157.6,62.1 480.2,59.0 729.9,48.3 862.2,46.8 1138.4,52.2 1454.7,46.6 1461.6,647.7 1474.4,1255.2 1482.4,1865.4 861.4,1876.2 494.6,1879.6 183.1,1885.0 181.8,1280.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[478.0,1274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59119740769235,39.139032707118346]}},{"type":"Feature","properties":{"resourceCoords":[1145.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58988469143769,39.141320292980396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.1,1238.7 196.7,630.4 204.0,28.6 838.9,34.2 1164.0,30.7 1474.8,32.7 1465.6,1859.9 824.9,1853.0 188.7,1849.5 195.1,1238.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[502.0,644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58830015978724,39.1403765829735]}},{"type":"Feature","properties":{"resourceCoords":[1143.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5864746935459,39.13832098274685]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p15","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.7,69.3 443.0,65.7 823.4,67.5 823.5,95.2 1522.4,69.7 1522.4,53.0 1523.4,54.1 1581.5,118.6 1526.4,368.1 1526.0,1002.5 1584.2,1774.3 1552.8,1865.8 1543.7,1867.2 788.9,1877.7 788.7,1867.1 134.4,1866.0 124.7,69.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[445.0,669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5852727,39.1406424]}},{"type":"Feature","properties":{"resourceCoords":[445.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5849754,39.1384282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p16","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.0,1844.3 1514.0,1370.5 1505.3,1370.4 1489.1,754.9 1491.4,138.9 865.6,142.1 496.0,141.0 182.2,142.6 1.0,143.6 1.0,148.3 99.3,147.1 62.1,434.3 130.2,642.8 54.0,873.8 36.5,1476.5 42.6,1633.8 127.9,1747.1 1517.0,1883.3 1588.0,1844.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[496.0,141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.591029,39.1379312]}},{"type":"Feature","properties":{"resourceCoords":[1170.0,141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5894583,39.1380572]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p17 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"3202.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"658.4,1814.4 717.0,1351.0 698.5,1351.3 703.5,736.9 698.6,120.8 59.8,121.9 54.9,736.7 68.5,1351.3 77.1,1351.4 148.9,1824.7 180.8,1807.4 420.6,1863.0 584.0,1798.7 658.4,1814.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[394.8,739.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58777271995783,39.137069449846045]}},{"type":"Feature","properties":{"resourceCoords":[394.8,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58792502904758,39.13816618943145]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p17 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3136.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3315.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1516.2,1849.9 1520.1,1281.7 1535.2,1268.5 1549.6,1220.0 1547.3,764.5 1538.7,109.8 896.2,114.0 908.3,724.7 910.5,1334.0 928.9,1333.4 875.8,1793.6 1158.7,1850.1 1516.2,1849.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0017__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[784.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.58750646092804,39.1384359344477]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.58556704491494,39.13858220795936]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.5851349195488,39.13508639825706]}},{"type":"Feature","properties":{"resourceCoords":[784.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.58707433556191,39.1349401247454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p18 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.4,115.8 172.8,772.5 165.3,1229.2 149.9,1277.5 134.6,1290.4 118.5,1860.1 443.5,1866.5 844.4,1802.4 921.0,1655.5 919.6,1324.1 980.1,1274.8 1034.6,1230.3 1072.3,1188.5 1085.8,1188.5 1089.0,1188.5 1104.0,1188.5 1223.3,1104.9 1505.8,1101.0 1574.2,834.5 1506.2,151.2 843.2,136.6 843.2,125.8 178.4,115.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[494.0,731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5848069,39.1373175]}},{"type":"Feature","properties":{"resourceCoords":[494.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5849754,39.1384282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3941.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3710.4"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"29.4,1846.3 1.0,1847.6 1.0,1866.5 598.0,1864.4 1596.1,1861.0 1595.5,1823.2 1576.0,1821.4 1576.8,1027.5 1191.9,1017.2 1036.7,1082.7 790.5,1094.2 97.1,1052.0 92.8,988.3 58.4,1249.5 1.0,1249.8 1.0,1332.1 45.3,1336.0 29.4,1846.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[911.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59247280942412,39.1479708523139]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59088188379525,39.14809901742033]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"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":"3941.6"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.9,935.7 183.9,942.5 315.1,943.2 375.4,955.2 680.8,945.9 683.5,975.8 1612.0,981.2 1572.5,959.5 1601.8,549.5 1553.7,277.3 1607.3,293.4 1604.5,143.9 852.5,26.5 466.2,57.1 409.6,124.5 83.2,51.9 33.6,119.9 48.1,932.0 113.9,935.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,346.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58607006163157,39.146203604150614]}},{"type":"Feature","properties":{"resourceCoords":[1311.0,946.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58439107815218,39.145192415851064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.6,949.3 23.1,584.6 58.9,52.9 862.7,19.8 862.6,38.5 1453.3,39.2 1451.2,645.0 1454.8,1329.3 1452.5,1881.8 771.1,1880.4 192.5,1877.8 188.7,1230.8 72.7,1230.7 137.6,949.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[505.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59545065776155,39.147696107997724]}},{"type":"Feature","properties":{"resourceCoords":[1141.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59394294350423,39.14782316527488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.8,1333.6 42.1,656.5 41.4,57.1 1017.0,54.0 1016.5,17.0 1608.3,71.5 1605.5,1841.8 1612.0,1842.3 1612.0,1879.3 1331.7,1877.6 1017.0,1872.0 719.5,1871.5 363.8,1877.5 48.9,1880.2 48.8,1333.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1017.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5908691,39.148111]}},{"type":"Feature","properties":{"resourceCoords":[1017.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5904157,39.1447313]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.9,1687.3 19.5,271.9 66.5,36.3 987.1,17.9 1607.8,76.8 1605.2,1877.4 210.7,1896.3 24.6,1836.8 24.3,1686.5 28.9,1687.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[36.0,648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58409425838006,39.14866024594189]}},{"type":"Feature","properties":{"resourceCoords":[36.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.58378548195195,39.14641596578739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p6 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.5,1875.2 1565.0,657.5 1558.8,6.0 1441.9,6.3 1437.5,25.7 622.8,117.4 564.6,812.9 563.7,813.0 563.7,813.7 554.1,813.6 44.0,846.9 13.8,1626.6 64.6,1846.1 135.4,1875.7 281.5,1884.8 281.4,1871.4 348.8,1873.3 1574.5,1875.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1249.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5963154,39.1431105]}},{"type":"Feature","properties":{"resourceCoords":[613.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5978132,39.1429885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p6 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"2254.8"},{"label":"split_canvas_h","value":"3254.8"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"467.4,801.2 467.9,718.7 526.5,718.7 562.6,456.4 537.2,39.5 405.3,17.6 361.2,79.9 278.4,18.6 38.4,29.6 32.8,760.3 467.4,801.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[95.0,718.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5956269,39.1488468]}},{"type":"Feature","properties":{"resourceCoords":[95.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5957834,39.1499526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.0,43.6 728.7,46.0 1410.2,47.2 1413.8,652.0 1432.7,1257.0 1434.2,1866.6 1099.5,1859.9 786.9,1865.0 468.4,1857.8 153.2,1855.8 155.4,1253.1 150.0,43.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[467.0,659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59481265583395,39.143216231504255]}},{"type":"Feature","properties":{"resourceCoords":[1103.0,659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59330518510475,39.143342986119904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"456.6,28.7 816.4,27.7 1117.2,32.4 1435.3,42.5 1436.5,645.9 1429.2,1492.9 1429.4,1866.2 1116.0,1863.3 842.8,1850.6 711.7,1848.6 464.3,1852.5 144.8,1847.0 149.1,1237.3 136.1,631.9 138.3,27.0 456.6,28.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[455.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59147515110533,39.14125461149497]}},{"type":"Feature","properties":{"resourceCoords":[1121.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.59039952010771,39.1446851319541]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marysville, California | 1909 | sanborn00675_004 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:02:49Z","modified":"2026-10-19T22:02:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"444.9,66.3 444.9,28.9 773.0,55.6 1056.1,41.1 1056.0,43.2 1171.4,43.3 1242.1,51.2 1374.9,53.8 1435.7,66.8 1433.4,213.8 1436.6,1359.9 1439.1,1877.9 1131.7,1879.3 810.2,1886.4 182.3,1887.9 176.6,1514.7 171.6,667.9 161.6,64.7 444.9,66.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364mm:g4364mm_g006751909:00675_1909-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1121.0,1274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5870882,39.1427402]}},{"type":"Feature","properties":{"resourceCoords":[1121.0,669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.5872366,39.1438529]}}]}}]}