{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00779_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Red Bluff, California | 1949 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"31"},{"label":"placed","value":"24"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 14, georef-snap 9, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p19__1 (tier 4, 40.17753,-122.24071 +/-969m); p19__2 (tier 4, 40.17753,-122.24071 +/-969m); p19__3 (tier 4, 40.17753,-122.24071 +/-969m); p20__1 (tier 4, 40.17753,-122.24071 +/-969m); p20__2 (tier 4, 40.17753,-122.24071 +/-969m); p21 (tier 1, 40.17577,-122.22579 +/-252m); p2__1 (tier 1, 40.17829,-122.25169 +/-206m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.4,1207.3 85.0,1207.2 109.2,650.2 116.7,650.1 78.3,84.5 107.4,84.5 670.1,82.8 950.6,84.7 950.7,77.1 1506.0,87.9 1513.2,637.2 1502.7,1760.5 1298.1,1765.2 952.0,1768.0 668.9,1765.5 383.4,1769.2 132.6,1768.7 87.6,1768.2 89.4,1207.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[391.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.241711,40.176611]}},{"type":"Feature","properties":{"resourceCoords":[952.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2398212,40.1763178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.2,671.8 33.4,115.0 281.9,122.3 517.5,111.8 768.6,120.1 999.9,114.2 1249.9,101.7 1507.6,100.3 1509.5,762.1 1505.7,999.7 1506.8,1228.3 1501.2,1780.3 1011.9,1784.1 767.2,1783.0 286.1,1789.9 41.0,1787.8 44.2,671.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23921192008187,40.179139811354055]}},{"type":"Feature","properties":{"resourceCoords":[1517.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23642471247742,40.17926020776477]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p12 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4392.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"664.3,1782.2 664.2,1776.5 966.7,1724.5 939.2,1681.8 992.2,1585.7 946.6,1521.7 1035.3,1370.4 889.7,894.9 956.0,737.9 906.0,532.1 973.6,332.6 687.2,157.0 392.6,124.9 353.4,94.3 144.5,87.5 151.1,756.9 149.0,997.3 151.7,1228.6 150.0,1787.0 211.0,1784.8 664.3,1782.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[150.0,655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.237215,40.1801578]}},{"type":"Feature","properties":{"resourceCoords":[150.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2357342,40.1783984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p12 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4276.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2176.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1182.3,79.0 1189.5,252.0 1188.2,477.1 1190.8,662.0 1193.5,1231.4 1338.2,1236.8 1338.7,1287.9 1205.0,1286.7 1190.8,1805.0 1287.5,1891.3 1297.2,1862.8 1511.3,1880.0 1574.8,1808.4 1588.1,1036.3 1551.0,691.4 1479.1,601.5 1538.3,509.7 1551.1,127.6 1483.5,22.1 1182.2,73.3 1182.3,79.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1190.8,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23391,40.1780216]}},{"type":"Feature","properties":{"resourceCoords":[1190.8,1805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.232406,40.176244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p13 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2213.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.5,1835.5 159.2,1869.4 213.3,1878.8 542.4,1808.9 549.2,1375.2 490.2,1360.0 182.0,1322.6 182.0,1322.1 181.0,1214.5 181.1,1214.5 448.2,1214.5 543.1,1199.5 494.7,996.3 541.3,38.8 552.4,28.7 97.8,30.8 44.5,1906.6 115.0,1830.8 154.5,1835.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[39.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24055144797794,40.17203396729374]}},{"type":"Feature","properties":{"resourceCoords":[39.0,43.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23863569799857,40.172984802759295]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p13 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"724.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5728.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"588.7,157.9 584.7,1149.7 553.4,1205.8 553.4,1214.5 553.1,1214.5 548.5,1214.5 355.0,1265.5 345.6,1319.3 557.0,1363.0 659.9,1507.4 653.4,1648.8 707.7,1710.0 655.0,1791.0 1569.9,1818.8 1561.0,1768.2 1578.0,1767.5 1585.5,1599.1 1572.2,1207.8 1554.6,627.6 1557.6,50.6 1315.7,53.4 863.3,55.3 553.4,59.2 553.4,121.7 588.7,157.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1108.3,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.243071,40.173352]}},{"type":"Feature","properties":{"resourceCoords":[1219.3,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.242086,40.17258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.8,1824.6 68.9,1824.0 77.4,1654.2 65.9,1259.6 51.0,674.4 56.8,92.6 538.2,90.0 772.7,91.9 1022.7,91.9 1307.2,87.5 1589.4,89.5 1588.7,672.5 1583.0,1637.4 1580.8,1802.4 1302.1,1793.8 1080.2,1796.1 1022.6,1812.3 1022.5,1909.6 60.5,1875.7 51.8,1824.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[549.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24115857763405,40.17434606581192]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2405454743036,40.17206156970452]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1066.8,1792.5 580.8,1789.4 581.0,1808.3 31.2,1751.2 33.9,1624.6 47.2,668.7 52.5,91.0 394.4,90.2 596.4,86.8 840.1,91.9 1318.3,91.0 1561.6,95.1 1564.0,698.4 1556.5,1241.3 1543.9,1795.7 1066.8,1792.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23797596368543,40.17598648633953]}},{"type":"Feature","properties":{"resourceCoords":[577.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23640869847897,40.17420156794429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p16 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3278.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"679.6,1772.0 676.4,1213.0 669.5,856.9 652.5,763.4 647.4,654.9 647.6,468.9 669.7,433.6 658.9,263.9 654.3,37.7 158.2,44.5 172.1,659.2 174.6,1212.8 172.1,1778.0 679.6,1772.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[676.4,1213.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.234152,40.176598]}},{"type":"Feature","properties":{"resourceCoords":[172.1,1778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2344358,40.1752182]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p16 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3216.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3235.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"951.3,43.3 953.5,269.5 962.5,439.2 940.0,474.3 937.9,660.2 941.8,768.7 957.8,862.4 960.9,1218.4 958.0,1777.3 1458.5,1776.8 1477.7,1256.7 1612.0,1259.2 1612.0,1207.9 1466.7,1201.1 1469.2,629.7 1468.4,444.1 1471.8,218.2 1466.2,44.5 1012.4,41.8 951.3,43.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[945.2,1775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2334433939631,40.17572485679208]}},{"type":"Feature","properties":{"resourceCoords":[945.2,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23572972578211,40.178372490706096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p17","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.8,1879.5 29.2,716.1 37.6,673.0 43.6,131.4 99.4,116.2 314.3,115.9 584.0,126.5 584.9,90.5 1122.0,146.7 1121.8,128.2 1596.7,131.7 1587.7,669.4 1589.5,1209.3 1577.9,1755.7 1564.9,1785.8 1271.2,1869.5 1271.1,1876.7 50.8,1879.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1128.0,667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.235643,40.173365]}},{"type":"Feature","properties":{"resourceCoords":[566.0,667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2368178,40.1727617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"507.9,122.2 1004.3,121.9 1494.3,121.7 1588.7,207.4 1529.9,374.3 1573.8,437.6 1564.8,646.1 1507.5,719.8 1567.5,836.6 1569.7,1773.8 1291.2,1773.9 994.9,1777.3 522.9,1773.8 276.3,1774.9 25.8,1780.5 33.2,1222.6 27.1,671.4 31.9,122.4 507.9,122.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[989.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23271274444238,40.17487062716087]}},{"type":"Feature","properties":{"resourceCoords":[989.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23118414383906,40.17310274159479]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"205.7,74.9 89.3,66.2 50.5,269.4 32.4,1200.3 34.9,1244.2 751.6,1260.0 751.7,1263.0 755.0,1263.0 755.0,1367.2 767.4,1762.2 882.5,1872.7 918.8,1880.4 1551.7,1880.7 1586.2,826.2 1612.0,826.5 1612.0,735.4 1578.2,685.2 1583.8,452.7 1368.4,90.3 1175.5,80.6 1136.7,30.9 1179.8,1.0 1111.2,1.0 671.1,196.8 583.9,58.0 452.7,143.6 238.8,24.1 233.8,15.9 205.7,74.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2485956,40.1808035]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1465.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2514256,40.1792476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p3 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4238.0"},{"label":"split_canvas_h","value":"3258.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"214.4,266.2 57.6,269.0 1.0,721.8 1.0,810.2 228.0,805.0 503.8,793.5 501.2,737.2 1031.9,503.9 1027.8,242.6 1020.5,242.8 1000.6,1.0 994.3,1.0 994.4,12.8 925.0,19.0 438.1,11.8 423.4,1.0 411.1,1.0 209.2,116.2 214.4,266.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[503.8,793.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2467114,40.1805058]}},{"type":"Feature","properties":{"resourceCoords":[1036.5,793.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.245563,40.18105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.12"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4238.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2214.0"},{"label":"split_canvas_h","value":"5279.6"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1092.3,531.2 1098.0,531.5 1105.2,757.0 1112.0,757.0 1108.5,858.7 1114.0,1032.6 1604.5,832.9 1606.7,757.5 1588.8,753.9 1569.1,238.1 1493.7,52.5 1114.9,33.4 1092.3,531.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.5,1266.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.245563,40.18105]}},{"type":"Feature","properties":{"resourceCoords":[1591.0,1266.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2444447,40.1816413]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.58"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3258.0"},{"label":"split_canvas_w","value":"4238.0"},{"label":"split_canvas_h","value":"2190.8"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.1,1355.3 1058.5,1359.5 1058.5,1173.0 1023.4,847.4 385.2,838.5 270.0,815.2 319.9,1342.9 571.7,1340.2 818.1,1355.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,814.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24518724876482,40.1824334564549]}},{"type":"Feature","properties":{"resourceCoords":[1059.5,814.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24306795787645,40.18355339068634]}},{"type":"Feature","properties":{"resourceCoords":[1059.5,1362.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2423107266658,40.18271566087435]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1362.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24443001755418,40.18159572664291]}},{"type":"Feature","properties":{"resourceCoords":[571.7,1340.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2433168,40.1822337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p3 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.08"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5263.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2388.8"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"103.2,1858.1 344.4,1860.4 595.0,1872.5 854.5,1869.0 1090.0,1862.3 1334.8,1861.5 1365.3,1860.5 1308.9,1396.0 1091.8,1356.7 1091.7,1431.5 608.1,1639.7 596.9,1606.5 102.0,1806.4 103.2,1858.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0003__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1315.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24776507891151,40.181343354828115]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1315.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.2440706135793,40.18321146525039]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24317044296667,40.18215765373113]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.24686490829889,40.18028954330886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"808.5,1.0 635.6,1.0 628.4,11.5 36.8,51.3 17.4,1492.1 47.6,1830.3 141.6,1885.2 142.3,1849.6 1001.6,1748.2 1001.0,1826.2 1266.0,1830.6 1553.7,1846.0 1565.8,1281.4 1593.2,660.1 1590.9,555.2 1594.4,81.3 1593.3,1.0 1579.4,1.0 1530.6,4.4 1415.1,158.3 995.9,134.2 808.5,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1566.0,1271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24624893041067,40.17807914857277]}},{"type":"Feature","properties":{"resourceCoords":[528.0,-194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.25036054130922,40.17922133272789]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.8,76.2 152.9,553.1 157.3,658.5 142.4,1284.0 141.7,1852.2 433.4,1856.9 708.0,1843.0 981.5,1843.7 1546.2,1842.1 1548.0,1842.1 1532.1,1276.6 1538.6,1276.7 1512.1,642.1 1523.7,642.2 1504.7,88.8 1265.7,91.9 981.5,77.8 708.0,75.0 418.9,78.3 169.5,76.4 181.2,1.0 180.7,1.0 145.9,48.8 146.8,76.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2443453,40.1777793]}},{"type":"Feature","properties":{"resourceCoords":[708.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2467114,40.1805058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1237.8,1855.1 987.0,1847.0 987.1,1858.2 430.4,1849.4 430.4,1857.1 150.8,1856.1 132.8,1291.3 139.2,1291.4 110.2,657.8 121.8,657.8 100.6,105.0 155.9,104.1 422.6,95.8 700.0,93.8 987.0,84.0 1234.5,93.3 1503.2,91.7 1492.9,674.8 1487.3,696.1 1477.4,1282.4 1475.5,1845.2 1237.8,1855.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[987.0,1847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.240969,40.1795044]}},{"type":"Feature","properties":{"resourceCoords":[987.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2433168,40.1822337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.4,641.0 42.6,662.2 28.2,1246.9 22.0,1808.2 274.6,1819.2 507.4,1815.7 759.2,1805.8 1018.5,1807.2 1226.2,1817.7 1264.7,1848.8 1557.1,1885.9 1551.0,1882.0 1610.8,707.6 1565.2,30.8 52.5,33.1 35.7,1.0 35.2,1.0 36.1,59.5 63.1,59.5 48.4,641.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[513.0,1811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.23898532371682,40.18050667915449]}},{"type":"Feature","properties":{"resourceCoords":[513.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24136425999312,40.183226027724416]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2832.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.4,17.4 93.5,301.7 96.0,604.0 90.8,1085.8 91.2,1337.4 96.0,1593.0 127.3,1606.4 216.1,1912.0 223.2,1912.0 223.6,1912.0 223.2,1852.6 591.7,1773.3 696.6,1351.9 645.9,1151.4 689.8,426.2 594.3,134.7 442.3,33.5 233.7,17.5 94.4,17.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[96.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2311824,40.173121]}},{"type":"Feature","properties":{"resourceCoords":[96.0,1593.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.233173,40.172109]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2775.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3676.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"695.5,191.7 766.2,230.3 807.3,474.9 809.8,885.8 740.2,1006.0 760.3,1175.8 869.3,1342.7 808.8,1730.0 1193.9,1806.8 1251.8,1866.0 1251.8,1802.6 1567.0,1798.4 1554.0,1229.5 1547.1,670.0 1558.3,107.6 1556.7,29.0 695.2,155.8 695.5,191.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1555.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24586574118317,40.175745269745455]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.24438888065959,40.17401206870032]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Red Bluff, California | 1949 | sanborn00779_005 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:44:21Z","modified":"2026-10-19T23:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1314.1,1788.0 829.2,1791.4 583.1,1793.3 123.3,1793.8 112.8,1225.2 108.3,666.0 122.0,104.0 388.7,102.0 678.6,110.5 970.5,114.0 1245.2,99.0 1489.7,98.5 1530.2,666.4 1522.8,666.5 1500.4,1225.9 1504.9,1226.0 1505.1,1789.2 1314.1,1788.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364rm:g4364rm_g007791949:00779_1949-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1241.0,669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.243596,40.176894]}},{"type":"Feature","properties":{"resourceCoords":[122.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2466106,40.1766306]}}]}}]}