{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00751_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Patterson, California | 1920 | 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":"8"},{"label":"placed","value":"5"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 3, georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p2 (tier 1, 37.47481,-121.13321 +/-257m); p5 (tier 1, 37.46788,-121.12827 +/-258m); p6__2 (tier 4, 37.46959,-121.13101 +/-602m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Patterson, California | 1920 | sanborn00751_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:11:15Z","modified":"2026-10-19T18:11:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"786.1,1896.5 270.9,1901.8 238.2,1892.0 126.9,1886.1 164.6,1839.7 91.0,1841.7 15.4,1881.2 30.2,1866.4 42.2,33.5 1351.8,56.3 1352.3,87.2 1486.7,100.0 1485.6,491.9 1501.0,533.4 1512.7,873.2 1491.0,924.5 1503.3,1894.0 786.1,1896.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1320.0,708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.13038525997635,37.471785205671274]}},{"type":"Feature","properties":{"resourceCoords":[26.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.1342327093167,37.47278628047592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Patterson, California | 1920 | sanborn00751_002 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:11:15Z","modified":"2026-10-19T18:11:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1605.2,1898.6 1600.7,1891.8 1514.9,1865.5 1585.7,1788.6 1550.7,679.0 1544.6,679.1 1546.8,553.0 1531.6,70.1 1.0,18.5 1.0,49.3 133.4,64.2 126.0,454.0 140.7,495.6 146.8,833.8 124.4,884.4 121.0,1849.0 418.1,1856.1 827.1,1861.2 1020.7,1860.3 1324.3,1865.2 1507.0,1893.7 1528.2,1912.0 1612.0,1910.2 1612.0,1908.7 1605.2,1898.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[289.0,663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.1299869,37.4712612]}},{"type":"Feature","properties":{"resourceCoords":[121.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.132564,37.470415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Patterson, California | 1920 | sanborn00751_002 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T18:11:15Z","modified":"2026-10-19T18:11:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1259.9,1662.7 1569.8,1032.3 1607.0,658.2 1567.2,610.2 762.9,604.6 762.5,602.5 762.5,600.3 712.3,45.7 65.6,29.3 28.9,1800.1 79.6,1888.0 995.3,1890.0 1139.4,1770.4 1299.7,1769.5 1259.9,1662.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1684.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.1250293759275,37.46429005424945]}},{"type":"Feature","properties":{"resourceCoords":[2014.0,34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.12343787439812,37.464310050189745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Patterson, California | 1920 | sanborn00751_002 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3836.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3816.0"}],"created":"2026-10-19T18:11:15Z","modified":"2026-10-19T18:11:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.2,1012.0 1417.9,1015.9 1396.3,998.2 1214.0,974.5 911.8,977.2 719.4,982.8 312.4,988.0 16.7,988.3 25.5,1575.8 56.4,1575.4 47.2,1885.7 1594.7,1866.1 1593.9,1076.0 1583.3,1020.2 1489.5,994.0 1494.2,1000.6 1502.2,1012.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[38.0,1566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.13372087909941,37.46985856914261]}},{"type":"Feature","properties":{"resourceCoords":[38.0,994.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.13255132379692,37.47037526922351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Patterson, California | 1920 | sanborn00751_002 p7 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.80"},{"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":"3836.0"}],"created":"2026-10-19T18:11:15Z","modified":"2026-10-19T18:11:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"24.2,119.2 9.4,259.8 62.2,945.2 1580.1,950.8 1593.7,644.1 1563.2,644.0 1563.0,63.0 860.3,60.2 355.5,61.6 323.5,51.7 214.5,45.2 250.9,1.0 200.2,1.0 179.6,1.4 105.3,39.5 24.2,119.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007511920:00751_1920-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.13428470905392,37.4730129907776]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.13237564835634,37.470392852378545]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,959.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.13434196844939,37.469493648376485]}},{"type":"Feature","properties":{"resourceCoords":[0.0,959.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.13625102914696,37.47211378677554]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.132564,37.470415]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.132564,37.470415]}}]}}]}