{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00533_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Eureka, California | 1920 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"110"},{"label":"placed","value":"76"},{"label":"unplaced","value":"34"},{"label":"fit sources","value":"georef-snap 38, georef 37, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"24 sheet(s) cut into 50 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 40.79431,-124.16418 +/-3211m); p10__2 (tier 1, 40.80527,-124.16003 +/-100m); p13__1 (tier 1, 40.80682,-124.15472 +/-105m); p13__2 (tier 2, 40.80337,-124.15558 +/-431m); p14__1 (tier 2, 40.80741,-124.15084 +/-100m); p14__2 (tier 1, 40.80712,-124.15240 +/-109m); p17__2 (tier 1, 40.80584,-124.14879 +/-100m); p22__2 (tier 1, 40.79655,-124.16906 +/-112m); p29__2 (tier 1, 40.79330,-124.17878 +/-100m); p2__2 (tier 4, 40.79431,-124.16418 +/-3211m); p3__1 (tier 1, 40.80390,-124.16702 +/-210m); p3__2 (tier 1, 40.80473,-124.16718 +/-213m); p47__2 (tier 2, 40.79231,-124.15901 +/-246m); p6__1 (tier 1, 40.80190,-124.16873 +/-214m); p6__2 (tier 1, 40.80107,-124.16855 +/-213m); p74 (tier 3, 40.79488,-124.18504 +/-555m); p75__1 (tier 3, 40.77799,-124.19302 +/-555m); p75__2 (tier 1, 40.77610,-124.19304 +/-100m); p76 (tier 3, 40.77650,-124.19071 +/-555m); p77__1 (tier 3, 40.77165,-124.19540 +/-555m); p77__2 (tier 3, 40.77165,-124.19540 +/-555m); p78__1 (tier 3, 40.82771,-124.17201 +/-555m); p78__2 (tier 3, 40.82771,-124.17201 +/-555m); p79__2 (tier 1, 40.81871,-124.18705 +/-100m); p7__1 (tier 4, 40.79431,-124.16418 +/-3211m); p7__2 (tier 4, 40.79431,-124.16418 +/-3211m); p81 (tier 2, 40.78786,-124.16268 +/-100m); p82 (tier 2, 40.79266,-124.17350 +/-100m); p83__1 (tier 4, 40.79431,-124.16418 +/-3211m); p83__2 (tier 4, 40.79431,-124.16418 +/-3211m); p83__3 (tier 4, 40.79431,-124.16418 +/-3211m); p8__2 (tier 1, 40.80259,-124.16449 +/-212m); p9__2 (tier 1, 40.80615,-124.16061 +/-100m); p9__3 (tier 1, 40.80473,-124.16024 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0001","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,970.6 1284.4,966.8 1271.9,1949.0 371.0,1949.0 375.7,1628.9 435.6,1629.2 457.4,0.0 1662.0,0.0 1662.0,970.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17316363123864,40.804831904566356]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16924920096389,40.80542142772691]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1683422950542,40.80192222712049]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17225672532895,40.801332703959936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p10 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0010","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.1,1830.9 1307.6,1831.8 1364.9,1537.6 1397.3,1502.2 1662.0,1538.9 1662.0,0.0 931.3,0.0 931.2,628.6 0.0,724.3 -0.0,1064.0 59.4,1071.3 46.1,1830.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1587667,40.8046745]}},{"type":"Feature","properties":{"resourceCoords":[510.0,1373.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1589625,40.8054741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0011","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,549.5 118.5,549.3 118.3,453.6 1519.0,434.8 1517.2,1673.2 -0.0,1672.2 -0.0,549.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.163501896261,40.804490283431555]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15961322704634,40.80503239341093]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15877927268824,40.80155616935413]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1626679419029,40.80101405937475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0012","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.6,258.0 1047.6,255.5 1374.6,255.8 1501.4,465.6 1662.0,1405.0 1662.0,1405.0 1662.0,1510.2 1662.0,1669.4 138.0,1669.7 141.6,258.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[595.0,1204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1583582,40.8029822]}},{"type":"Feature","properties":{"resourceCoords":[595.0,257.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1587667,40.8046745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0015","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"447.1,1949.0 414.4,1773.5 -0.0,1848.5 -0.0,1357.9 583.4,1230.0 928.4,1432.4 1044.0,1433.0 1044.1,1390.2 970.8,988.8 943.6,974.8 585.4,974.4 584.1,1160.7 521.5,1191.3 131.8,933.1 134.6,546.7 179.8,512.4 417.8,513.8 324.3,0.0 1662.0,0.0 1662.0,1443.6 1516.8,1459.3 1516.0,1548.9 1542.0,1715.0 1662.0,1892.0 1662.0,1949.0 447.1,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15722824963683,40.80648005345512]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15329742941843,40.80649393652843]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15327607185267,40.802980123201955]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15720689207107,40.80296624012864]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p16","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0016","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1237.2,196.1 1237.4,0.0 1662.0,0.0 1654.8,1670.2 633.3,1879.1 174.5,1880.6 177.6,990.0 1237.2,196.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1575036,40.803992]}},{"type":"Feature","properties":{"resourceCoords":[600.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1572929,40.8031356]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p17 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0017","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1623.3,337.6 1146.3,330.9 1145.2,0.0 -0.0,-0.0 -0.0,1949.0 1231.0,1949.0 1526.0,1949.0 1630.8,1949.0 1623.3,337.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14697649159896,40.807601370057974]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14701823826304,40.80460463123122]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15162849774455,40.80464194825006]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15158675108047,40.80763868707681]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p18 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2533.2"},{"label":"split_canvas_w","value":"2118.4"},{"label":"split_canvas_h","value":"5262.8"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"270.2,1949.0 273.0,1782.1 219.8,1551.8 526.3,1554.0 518.5,633.3 0.0,634.1 0.0,1095.1 45.0,1949.0 270.2,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,633.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14493827173037,40.80490351810365]}},{"type":"Feature","properties":{"resourceCoords":[529.6,633.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14491526738576,40.80298432472134]}},{"type":"Feature","properties":{"resourceCoords":[529.6,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15119694601525,40.80294099230297]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15121995035986,40.80486018568528]}},{"type":"Feature","properties":{"resourceCoords":[52.0,1323.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1482296,40.8046925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p18 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.8,1165.0 1584.8,1330.3 1558.6,1042.4 1662.0,954.7 1662.0,-0.0 116.9,21.0 122.0,486.6 585.1,483.9 586.6,824.5 520.1,825.9 527.6,1711.7 591.2,1710.6 609.6,1857.2 700.9,1856.5 869.5,1827.4 1064.3,1685.2 1047.7,1703.1 1105.6,1702.2 1109.7,1949.0 1184.0,1949.0 1117.4,1617.3 1445.3,1149.0 1495.8,1165.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0018__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,1524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1528601,40.8028446]}},{"type":"Feature","properties":{"resourceCoords":[135.0,3222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1568043,40.804731]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p19","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0019","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,-0.0 1662.0,0.0 1662.0,1895.1 165.4,1884.8 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1740498,40.8033682]}},{"type":"Feature","properties":{"resourceCoords":[684.0,1432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1738559,40.8025637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p20","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0020","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"241.3,1879.0 300.6,1548.4 391.1,1420.2 -0.0,1401.7 0.0,0.0 34.9,0.0 35.7,71.4 196.7,6.8 1600.4,1.6 1619.2,1735.7 1592.7,1949.0 634.0,1949.0 241.3,1879.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[709.0,482.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1734543,40.8008967]}},{"type":"Feature","properties":{"resourceCoords":[1176.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1721502,40.8002054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p21","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0021","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1679.0 0.0,0.0 839.4,0.0 848.5,51.2 1244.0,0.0 1176.1,144.7 1175.7,486.7 1632.5,486.9 1631.0,1679.6 -0.0,1679.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[717.0,487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1750933,40.7982312]}},{"type":"Feature","properties":{"resourceCoords":[1179.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1740168,40.7957643]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p22 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0022","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,1852.6 1662.0,938.4 1517.6,938.8 1515.2,1158.9 1096.8,1238.3 1056.8,1024.4 1058.9,484.7 955.8,485.1 928.4,338.7 148.6,485.7 145.4,1847.2 1662.0,1852.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1718394,40.7974]}},{"type":"Feature","properties":{"resourceCoords":[601.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1718526,40.7957478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0023","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,1731.3 102.1,1201.3 -0.0,1182.5 -0.0,1033.5 129.6,1035.1 154.2,882.2 157.3,13.1 884.8,12.4 1068.7,12.2 1414.0,12.0 1529.2,11.8 1529.2,1927.1 737.4,1782.8 709.1,1949.0 579.2,1949.0 614.9,1759.6 471.9,1733.1 428.8,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17148797460241,40.800317414889754]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16760657275758,40.80085658275236]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16677719726727,40.79738663409976]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1706585991121,40.79684746623715]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0024","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.9,7.8 1540.9,18.6 1526.8,1949.0 157.2,1921.0 173.9,7.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16832109013774,40.80074713590393]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1644418685155,40.8013127365066]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16357183181073,40.79784474104992]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16745105343297,40.79727914044725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p25","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0025","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.0,1886.1 109.4,1877.8 114.5,65.5 829.9,66.3 821.8,0.0 934.8,0.0 934.5,66.4 1526.6,67.1 1525.0,1886.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[575.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1632353,40.7997688]}},{"type":"Feature","properties":{"resourceCoords":[575.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1636326,40.8013897]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p26","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0026","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1494.0,1851.6 131.3,1851.8 128.8,42.4 1495.7,46.5 1494.0,1851.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1597086,40.7994334]}},{"type":"Feature","properties":{"resourceCoords":[593.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1602948,40.8018554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0027","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"165.3,47.0 1471.5,2.1 1495.0,1789.8 1098.8,1794.3 1086.2,1852.2 182.6,1864.3 165.3,47.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15856245164797,40.802176206320645]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15467611412227,40.80269101686809]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1538841854353,40.7992167472673]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.157770522961,40.79870193671986]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0028","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 882.6,0.0 1273.9,406.6 1244.8,459.2 1071.2,505.9 1355.5,536.4 1420.8,653.0 1662.0,701.1 1662.0,1949.0 -0.0,1949.0 -0.0,20.4 61.6,19.1 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15512953996384,40.80266451232972]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15126617423671,40.80321615050618]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15041758600698,40.79976244921752]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15428095173411,40.79921081104106]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p29 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0029","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,635.9 1662.0,0.0 750.4,0.0 751.6,297.9 0.0,302.8 -0.0,1791.4 1604.2,1793.9 1601.7,635.8 1662.0,635.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1153.0,1586.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1760699,40.7932631]}},{"type":"Feature","properties":{"resourceCoords":[1153.0,635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1760542,40.7949573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p2 [1]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3352.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0002","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"838.0,0.0 0.0,0.0 0.0,1949.0 824.5,1949.0 838.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17487566133255,40.80552776064941]}},{"type":"Feature","properties":{"resourceCoords":[838.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17314204446552,40.80628446976737]}},{"type":"Feature","properties":{"resourceCoords":[838.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17082212053624,40.803225719733106]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17255573740327,40.80246901061515]}},{"type":"Feature","properties":{"resourceCoords":[-446.0,1632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1738559,40.8025637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p30","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0030","type":"ImageService3","width":1664,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"188.6,1770.3 184.4,627.8 243.8,627.8 242.8,0.5 1042.5,0.0 1042.5,174.3 1499.0,175.0 1498.2,1770.2 188.6,1770.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1042.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1729521,40.7949367]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1718526,40.7957478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0031","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 57.2,0.0 57.4,126.7 1629.6,126.2 1639.3,1796.1 357.2,1798.2 356.8,1724.8 -0.0,1726.5 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1789221353634,40.793144143686575]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17493087822896,40.79311736219128]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17497207015974,40.78954879384003]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17896332729417,40.78957557533532]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0032","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"188.9,128.3 1496.3,125.1 1505.4,1949.0 202.9,1949.0 188.9,128.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1754594327835,40.79312442335003]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17148775953379,40.79309125127103]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17153878065312,40.78954019250071]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17551045390283,40.78957336457971]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p33","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0033","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.8,157.6 1533.0,1769.3 146.4,1766.7 136.0,167.0 1202.1,160.5 1200.6,0.0 1338.3,0.0 1342.6,159.2 1519.8,157.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,621.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1718694,40.7949302]}},{"type":"Feature","properties":{"resourceCoords":[136.0,167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1718526,40.7957478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0034","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.9,1804.4 136.4,127.7 1516.9,142.3 1517.8,722.8 1552.1,891.2 1518.1,890.7 1519.7,1803.2 137.9,1804.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1722109940163,40.79310097095353]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16823974309378,40.793080508695226]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1682712155574,40.789529826596485]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17224246647991,40.78955028885479]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p35","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"1"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0035","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.7,1742.2 641.9,1895.8 156.3,1894.3 176.7,982.1 -0.0,978.9 -0.0,65.0 800.4,74.3 1243.8,0.0 1544.7,1742.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16900896029594,40.79750037453409]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16504243555812,40.79753493054668]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1649890183236,40.794006236296234]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16895554306141,40.79397168028364]}},{"type":"Feature","properties":{"resourceCoords":[596.0,1118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1675571,40.7954886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p36","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0036","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1537.0,1876.0 165.9,1928.6 159.9,183.2 1072.5,172.7 1072.7,54.9 1537.0,58.0 1537.0,1876.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1537.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.16207,40.7949132]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.162843,40.7981525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p37","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0037","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.0,1896.0 119.7,1901.5 112.8,73.2 1536.7,61.0 1543.0,1896.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[113.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1626576,40.7973604]}},{"type":"Feature","properties":{"resourceCoords":[1543.0,1896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1587389,40.7953691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p38","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0038","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.3,1859.2 156.7,38.6 1662.0,43.4 1661.1,1859.7 145.3,1859.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1054.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1569958,40.7972848]}},{"type":"Feature","properties":{"resourceCoords":[1054.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1565966,40.7956669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0039","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"591.9,58.0 605.2,0.0 1003.1,0.0 1003.3,134.4 1662.0,133.4 1662.0,1893.7 1061.6,1890.2 1050.4,1949.0 297.6,1949.0 293.1,57.5 591.9,58.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15667017556635,40.79911902552814]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15280847666509,40.79966558744165]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15196774227331,40.79621319148206]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15582944117457,40.79566662956855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p40 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 1041.7,1949.0 1040.9,1852.3 1322.5,1850.2 1322.2,1949.0 1662.0,1949.0 1662.0,0.0 526.5,0.0 616.9,434.9 129.7,528.7 291.6,1388.6 -0.0,1442.5 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1093.0,1723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1481621,40.7950888]}},{"type":"Feature","properties":{"resourceCoords":[1093.0,486.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1481398,40.7995715]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p40 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1823.2"},{"label":"split_canvas_h","value":"2063.2"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,515.8 455.8,428.6 455.7,99.8 279.4,98.4 280.4,-0.0 -0.0,-0.0 0.0,515.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0040__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[278.9,224.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1470692,40.7938066]}},{"type":"Feature","properties":{"resourceCoords":[51.0,224.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1481621,40.7938034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p41","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0041","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1606.1,1868.5 -0.0,1518.6 -0.0,1339.1 247.7,109.0 722.3,198.0 1632.5,211.3 1606.1,1868.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0041/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16921792610273,40.79418246483764]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16530303407485,40.79476814519319]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16440219541492,40.79126792738742]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1683170874428,40.790682247031874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0042","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.3,65.5 1548.5,17.2 1556.8,1788.7 1662.0,1787.2 1662.0,1949.0 1382.2,1949.0 168.9,1719.8 173.3,65.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16570921722466,40.794438744414585]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16181123413851,40.79498099665173]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16097718766285,40.791495917142996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.164875170749,40.79095366490585]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0043","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.0,629.8 1421.2,629.0 1417.7,1843.4 1353.3,1830.9 1326.8,1949.0 102.1,1949.0 118.7,156.8 1554.7,180.9 1553.0,629.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16241585580623,40.79514843335469]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15857311159289,40.795725325744826]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1576857745488,40.79228967258344]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16152851876214,40.79171278019331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0044","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"510.7,1849.7 -0.0,1749.8 -0.0,543.8 130.9,544.2 131.3,98.5 1662.0,111.5 1662.0,1949.0 490.9,1949.0 510.7,1849.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15908935282265,40.79549885999592]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15521740107064,40.796071383112846]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15433677855451,40.79260964015169]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15820873030651,40.79203711703476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0045","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.5,7.4 1627.8,28.6 1628.4,1771.5 22.3,1767.7 18.5,7.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16864613611182,40.791474101619855]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16448480273823,40.79144679678556]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16452679850512,40.78772606659915]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16868813187871,40.787753371433446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0046","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.0,0.0 1662.0,0.0 1662.0,489.8 1662.0,1909.0 21.5,1908.2 23.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16463390784696,40.79141877695099]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16052077180889,40.79139940262805]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16055057034644,40.787721787332096]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16466370638452,40.787741161655035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0047__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p47 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3969.2"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"3826.8"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0047__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0047","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,1949.0 1662.0,997.6 1358.9,996.6 584.0,1168.7 582.0,1067.5 -0.0,1082.0 -0.0,1949.0 1662.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0047__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,992.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15844766683645,40.79255298826981]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,992.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15448222177332,40.79247474072605]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15454161386067,40.79074254924302]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1585070589238,40.79082079678678]}},{"type":"Feature","properties":{"resourceCoords":[128.0,1078.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1581476,40.7923913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0048","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"948.1,232.3 1662.0,240.1 1662.0,1949.0 302.4,1949.0 302.3,1916.0 112.1,1916.8 95.2,0.0 950.7,0.0 948.1,232.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16074758128637,40.79126668872582]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15680551925382,40.7912215627458]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1568749248155,40.787696900821295]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16081698684805,40.78774202680132]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0049","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,0.0 1662.0,1939.7 1596.7,1939.6 1597.9,1740.0 412.2,1750.5 322.8,1949.0 -0.0,1949.0 -0.0,-0.0 1662.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.18211057897278,40.78999273346262]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1781016850534,40.789980265122765]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17812086146387,40.78639577392563]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.18212975538324,40.78640824226549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3394.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1949.0 665.5,1949.0 674.9,1431.9 842.2,1434.9 848.5,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1676599876368,40.80646360565601]}},{"type":"Feature","properties":{"resourceCoords":[848.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16568688732264,40.80676577462408]}},{"type":"Feature","properties":{"resourceCoords":[848.5,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1647758146955,40.8033089447837]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16674891500966,40.80300677581563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3360.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3288.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1497.5,731.6 1662.0,751.7 1662.0,0.0 848.5,0.0 842.3,1424.1 1004.5,1424.5 998.6,1949.0 1484.5,1949.0 1497.5,731.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[840.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16531185408789,40.806772742817444]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16341218172474,40.80704051752046]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16257927432933,40.80360706081228]}},{"type":"Feature","properties":{"resourceCoords":[840.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16447894669248,40.803339286109264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0050","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"307.3,1949.0 306.4,50.5 1604.7,53.9 1600.7,1949.0 307.3,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17882852186474,40.78993984325888]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17488690854596,40.78992610438782]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17490803900581,40.78640176474103]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1788496523246,40.78641550361209]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0051","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1478.8,1949.0 155.2,1949.0 153.2,311.1 1476.8,315.1 1478.8,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17537998746646,40.79012918539631]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17147170052864,40.79010561527975]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17150795148488,40.786611072642415]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1754162384227,40.786634642758976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p52","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0052","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1518.8,1719.3 139.1,1719.1 132.9,180.2 1516.4,174.1 1518.8,1719.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1697461,40.7878441]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1719367,40.7878611]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p53","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0053","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1315.0,1624.1 1316.4,1949.0 -0.0,1949.0 -0.0,199.4 322.5,202.2 415.2,0.0 1619.4,0.0 1585.4,1629.0 1315.0,1624.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[372.0,1610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1812185,40.7838746]}},{"type":"Feature","properties":{"resourceCoords":[1002.0,300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1797354,40.7862359]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p54","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0054","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.2,1819.7 160.2,394.2 1345.7,383.7 1346.6,491.3 1519.0,490.3 1528.0,1807.0 155.2,1819.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[151.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1783307,40.7846919]}},{"type":"Feature","properties":{"resourceCoords":[1528.0,1807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1750759,40.7838407]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p55","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0055","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"170.8,497.7 -0.0,497.3 -0.0,390.8 170.9,390.6 171.1,263.8 1469.7,267.3 1464.1,1949.0 168.8,1949.0 170.8,497.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1034.0,495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1729859,40.7862046]}},{"type":"Feature","properties":{"resourceCoords":[169.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1750759,40.7838407]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p56","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0056","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1474.0,1893.1 -0.0,1892.9 -0.0,38.4 158.3,37.9 158.6,186.2 1475.0,181.7 1474.0,1893.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0056/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17544853536756,40.78391137329125]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17152849278297,40.783885447185895]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17156836353492,40.780380065774466]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17548840611951,40.78040599187982]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0057","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.2,33.2 1515.3,25.6 1530.8,1744.8 134.1,1758.3 123.2,33.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17222350637049,40.78709510305523]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16829307478271,40.787047457390486]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16836635072274,40.78353295475918]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17229678231051,40.783580600423925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p58","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0058","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.1,1902.7 121.3,0.0 1515.8,0.0 1518.8,556.4 1662.0,556.6 1662.0,1905.7 117.1,1902.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17225978208269,40.78392204532295]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16832235744147,40.78390316072038]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16835139933923,40.78038223590469]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17228882398045,40.780401120507264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p59","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0059","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,125.7 136.9,125.3 137.3,175.1 1510.5,182.8 1518.7,1802.2 -0.0,1810.5 -0.0,125.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[602.0,1045.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1668172,40.786996]}},{"type":"Feature","properties":{"resourceCoords":[1514.0,1045.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1668413,40.7853479]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3349.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"836.1,1671.4 833.3,1037.7 202.6,1048.0 203.8,1673.0 836.1,1671.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1723032250365,40.80327614584839]}},{"type":"Feature","properties":{"resourceCoords":[837.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17033647363905,40.80354673221674]}},{"type":"Feature","properties":{"resourceCoords":[837.3,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16950994749173,40.80005555780025]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17147669888918,40.799784971431905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p5 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3314.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3333.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,0.0 1390.3,0.0 1390.7,39.0 1011.0,39.0 1008.5,1027.5 833.2,1029.2 836.0,1664.9 1662.0,1668.1 1662.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[828.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17013371113407,40.80356042277224]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16817793384939,40.803839347851735]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16732287175118,40.800355165440386]}},{"type":"Feature","properties":{"resourceCoords":[828.7,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16927864903586,40.800076240360895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p60","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0060","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1503.3,1802.2 148.6,1799.2 151.4,121.5 1509.2,118.4 1503.3,1802.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[149.0,1044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1668413,40.7853479]}},{"type":"Feature","properties":{"resourceCoords":[1506.0,1044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1668554,40.782888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0061","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1516.4,1416.4 1520.8,1949.0 158.6,1949.0 139.5,9.8 1662.0,4.8 1662.0,1415.3 1516.4,1416.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16006622414417,40.78804734914596]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16013301380684,40.78502004417538]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16478890038844,40.785079764845335]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16472211072578,40.788107069815915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0062","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,1888.2 146.8,1896.0 146.9,1425.1 292.9,1425.2 304.4,11.5 1662.0,3.9 1662.0,1888.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0062/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16011060517401,40.78557322028612]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16014501947991,40.78255219799575]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16479108289687,40.78258297096836]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16475666859097,40.78560399325873]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p63","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0063","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1310.1,1900.3 151.6,1888.1 171.4,552.6 -0.0,550.1 -0.0,0.0 1662.0,-0.0 1662.0,41.6 1662.0,41.6 1662.0,1423.1 1316.2,1421.2 1310.1,1900.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[579.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1578204,40.7869519]}},{"type":"Feature","properties":{"resourceCoords":[1487.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1556407,40.7852913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p64","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0064","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1420.0 350.2,1417.5 332.2,-0.0 1662.0,8.2 1662.0,468.6 1529.8,469.6 1531.0,938.0 1662.0,936.9 1662.0,1893.8 -0.0,1906.9 -0.0,1420.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[617.0,938.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1578434,40.7844795]}},{"type":"Feature","properties":{"resourceCoords":[1531.0,938.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1578718,40.7828299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0065","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1514.0,73.3 1507.8,1626.8 156.0,1622.0 163.9,61.2 1514.0,73.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0065/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16449450600474,40.783171240457506]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16450495031273,40.78017452058153]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1691134592826,40.78018386015453]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16910301497461,40.7831805800305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0066","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"821.6,1949.0 6.2,1949.0 -0.0,23.4 1484.0,45.6 1451.0,1885.2 824.4,1867.5 821.6,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0066/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17897839070099,40.78389991418229]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17502726431654,40.78392798296725]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17498409838761,40.78039480850377]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17893522477206,40.780366739718815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p67","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0067","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 62.2,0.0 66.6,69.3 477.5,61.7 478.2,20.6 1630.1,22.0 1635.3,1558.5 1557.9,1558.5 1560.8,1942.9 -0.0,1949.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0067/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17923161143321,40.78061839825064]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17139298849003,40.78056289286695]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1714783415681,40.77355290388969]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17931696451129,40.77360840927337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0068","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,1561.7 78.0,1562.3 84.4,14.7 1551.0,24.1 1540.7,1268.6 1662.0,1269.2 1662.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0068/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17193945668507,40.78053774529844]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16415713386462,40.78052724994949]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16417327302096,40.773567607398085]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.17195559584141,40.77357810274703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p69","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0069","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,1949.0 139.2,1949.0 145.7,120.0 1570.1,107.3 1561.6,1666.7 1662.0,1667.4 1662.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1571.0,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1579035,40.7787172]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,269.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1578742,40.7820112]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0070","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,1922.1 40.9,1924.0 40.2,1688.0 106.3,1687.5 106.3,1455.7 -0.0,1456.5 -0.0,-0.0 382.4,-0.0 371.9,76.8 1132.5,72.4 1131.5,-0.0 1662.0,-0.0 1662.0,1922.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0070/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14876444301348,40.78288623633577]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14886774980961,40.77688856392141]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15809103279075,40.77698094600225]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15798772599462,40.78297861841661]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p71 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3318.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1949.0 829.6,1949.0 826.6,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14273497868282,40.80508689050541]}},{"type":"Feature","properties":{"resourceCoords":[829.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.13877322633924,40.80505242899017]}},{"type":"Feature","properties":{"resourceCoords":[829.6,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.13887989702148,40.797995039063466]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14284164936507,40.7980295005787]}},{"type":"Feature","properties":{"resourceCoords":[415.8,871.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.140797,40.8019157]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p71 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3306.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3341.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,0.0 826.6,0.0 829.6,1949.0 1662.0,1949.0 1662.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0071__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.5,1706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.141365,40.7973209]}},{"type":"Feature","properties":{"resourceCoords":[1248.3,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1408428,40.7971443]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0072","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,0.0 1662.0,0.0 1662.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0072/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14370619513491,40.79781680328444]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.13970567787221,40.797810622930115]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1397151843884,40.794234027883725]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14371570165109,40.79424020823805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p73 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.4,1496.8 179.8,1949.0 1662.0,1949.0 1662.0,513.8 696.6,510.3 696.5,0.0 42.0,0.0 38.7,1497.9 183.4,1496.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14925067934534,40.78150804155089]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.14531468060245,40.78149247956937]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1453386118478,40.777972694163665]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1492746105907,40.777988256145186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p73 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2786.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3862.0"},{"label":"split_canvas_h","value":"2055.2"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,-0.0 1189.0,0.0 1011.0,0.0 998.2,-0.0 994.6,511.4 1662.0,513.8 1662.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0073__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1333.2,489.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1444245,40.778669]}},{"type":"Feature","properties":{"resourceCoords":[1333.2,43.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1444269,40.779578]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0079__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p79 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0079__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0079","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"649.2,1748.5 647.5,1730.1 1153.8,1660.2 1193.7,1949.0 1665.0,1949.0 1665.0,-0.0 479.4,0.0 472.1,631.6 0.0,635.5 -0.0,1949.0 313.0,1949.0 435.6,1949.0 415.1,1795.3 649.2,1748.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0079__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[415.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1874153,40.817435]}},{"type":"Feature","properties":{"resourceCoords":[649.0,1749.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1864031,40.8171353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p80","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0080","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.6,61.5 703.9,34.6 704.9,-0.0 1665.0,-0.0 1665.0,1949.0 -0.0,1949.0 -0.0,317.3 255.1,355.5 256.6,61.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1879174,40.8177351]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1842523,40.8164527]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.1862359,40.813205599999996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.189901,40.814488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p8 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3315.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0008","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"820.8,1717.9 826.1,579.2 715.4,565.8 747.7,313.7 785.4,48.2 624.0,28.2 627.5,0.0 318.0,0.0 291.8,218.6 261.9,447.9 253.8,506.2 -0.0,479.4 -0.0,1616.8 820.8,1717.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.8,742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.164038,40.8030763]}},{"type":"Feature","properties":{"resourceCoords":[753.8,276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1642321,40.8039089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eureka, California | 1920 | sanborn00533_005 p9 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:56:54Z","modified":"2026-09-21T19:56:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0009","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.6,840.8 113.1,1949.0 1509.3,1949.0 1533.9,1027.9 1475.7,1020.1 1480.1,634.8 1011.2,635.2 1011.4,453.9 337.0,455.1 336.2,0.0 0.0,0.0 -0.0,115.3 312.2,118.9 302.4,862.5 140.6,840.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005331920:00533_1920-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16419829731925,40.80714199704213]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16030687879099,40.807725815072715]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.15940440358285,40.804263936704515]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-124.16329582211111,40.80368011867393]}},{"type":"Feature","properties":{"resourceCoords":[1065.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1608865,40.8043775]}}]}}]}