{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00576_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gridley, California | 1902 | 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":"9"},{"label":"placed","value":"8"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 5, georef 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p7__2 (tier 1, 39.36134,-121.69287 +/-171m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"4812.0"},{"label":"split_canvas_w","value":"2554.0"},{"label":"split_canvas_h","value":"2840.0"}],"created":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"247.3,1832.0 255.1,1798.1 548.5,1874.3 551.2,1912.0 578.1,1912.0 607.8,1912.0 587.0,1213.1 354.9,1214.0 118.7,1218.2 137.1,1681.4 247.3,1832.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[139.1,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.70008674740514,39.363908124866214]}},{"type":"Feature","properties":{"resourceCoords":[595.5,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.69867135466696,39.36308923509751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1509.8,445.2 1502.6,76.6 1088.7,31.8 779.5,124.3 541.9,24.3 259.4,25.5 181.5,48.3 175.5,69.5 141.0,60.2 50.9,86.5 32.2,1140.9 159.5,1201.0 637.0,1203.0 638.5,1203.0 638.5,1203.0 705.3,1368.3 654.4,1620.3 764.1,1766.8 1051.5,1774.6 1257.0,1880.5 1547.7,1851.2 1601.6,1644.5 1494.5,1488.3 1490.0,1018.0 1509.8,445.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[469.0,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.7026741,39.3639099]}},{"type":"Feature","properties":{"resourceCoords":[1490.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.7001436,39.3639253]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"909.0,1.0 908.3,1.0 896.3,21.0 151.7,21.5 21.1,89.2 20.6,677.3 89.8,882.7 27.5,1825.7 98.8,1890.3 470.6,1899.1 925.9,1889.8 1487.3,1902.3 1487.3,1667.6 1490.6,1437.0 1486.8,968.5 1480.9,505.0 1478.7,37.0 909.6,40.1 909.0,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[899.0,1436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.69943581407294,39.36522721922108]}},{"type":"Feature","properties":{"resourceCoords":[899.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.6961898713794,39.36592800544432]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"572.0,85.9 1044.2,83.9 1520.9,85.6 1524.5,388.6 1512.3,682.1 1512.3,1275.7 1517.7,1865.4 90.8,1864.0 40.0,792.4 97.2,793.9 94.7,85.8 572.0,85.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1050.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.69646253911337,39.36358194928708]}},{"type":"Feature","properties":{"resourceCoords":[98.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.69787286861792,39.361016972167036]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.3,79.2 87.9,78.5 87.9,64.6 755.8,30.4 1255.8,78.5 1340.3,18.9 1596.9,118.5 1585.8,263.1 1586.8,637.0 1591.8,908.4 1589.7,1230.2 1592.5,1823.5 1592.4,1912.0 1221.6,1912.0 1121.8,1831.2 650.4,1831.2 54.9,1841.8 48.9,1250.7 58.0,958.2 51.5,656.6 47.3,79.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1118.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.69293842699018,39.36437067544841]}},{"type":"Feature","properties":{"resourceCoords":[45.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.69541851777706,39.36383891895268]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p6 [1]","metadata":[{"label":"streets","value":"5"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.8,1912.0 109.7,1873.8 1482.3,1878.7 1568.3,1760.3 1582.5,833.4 1480.9,714.6 1123.6,703.7 1123.5,702.7 1121.0,702.7 1121.0,668.7 1074.0,29.0 511.0,52.9 507.8,121.1 43.0,126.7 46.6,396.4 43.0,716.0 43.0,1305.3 41.8,1514.0 25.1,1510.1 88.3,1912.0 107.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.6907692,39.364859]}},{"type":"Feature","properties":{"resourceCoords":[43.0,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.6918545,39.3646219]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p6 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.52"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4484.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1968.0"},{"label":"split_canvas_h","value":"2810.8"}],"created":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1589.2,510.1 1575.4,511.9 1583.6,112.3 1378.8,43.9 1237.9,44.4 1136.6,130.0 1121.0,125.3 1121.0,263.0 1149.0,616.8 1591.5,575.3 1589.2,510.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1149.0,616.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.6922414,39.3656807]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.6914936,39.3669408]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gridley, California | 1902 | sanborn00576_003 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"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":"2026-10-19T03:42:30Z","modified":"2026-10-19T03:42:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.2,608.5 30.0,608.4 20.9,1725.0 66.8,1850.2 554.4,1789.6 582.3,1298.4 583.2,1183.5 583.2,1175.1 583.7,1116.4 583.8,1116.4 592.8,1114.2 1219.0,1116.0 1567.3,1201.7 1599.5,630.2 1580.1,630.1 1519.7,231.0 1536.2,235.0 1537.6,116.1 1172.2,111.2 1074.7,30.5 610.2,25.5 23.2,29.7 28.2,608.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005761902:00576_1902-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[36.0,614.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.69458544736308,39.36171881778872]}},{"type":"Feature","properties":{"resourceCoords":[599.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.6936552580673,39.36304694469212]}}]}}]}