{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00474_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Colton, California | 1911 | 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":"22"},{"label":"placed","value":"6"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 5, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p11 (tier 1, 34.24269,-116.80544 +/-104m); p12 (tier 4, 34.24573,-116.80395 +/-134m); p15 (tier 1, 34.02423,-117.07387 +/-100m); p16__1 (tier 1, 34.02416,-117.07398 +/-100m); p16__2 (tier 1, 34.03072,-117.07789 +/-100m); p17__2 (tier 1, 34.24960,-116.80936 +/-100m); p2__1 (tier 1, 34.07618,-117.32250 +/-252m); p2__2 (tier 1, 34.02564,-117.08172 +/-100m); p3 (tier 1, 34.24385,-116.80005 +/-100m); p4 (tier 1, 34.02420,-117.07387 +/-100m); p5__1 (tier 1, 34.24657,-116.80558 +/-100m); p5__2 (tier 1, 34.24462,-116.80414 +/-100m); p6 (tier 1, 34.24665,-116.80438 +/-130m); p7 (tier 1, 34.02421,-117.07386 +/-100m); p8__1 (tier 1, 34.12145,-117.28955 +/-100m); p8__2 (tier 1, 34.06044,-117.16985 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Colton, California | 1911 | sanborn00474_007 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.16"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:07:21Z","modified":"2026-10-19T21:07:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.1,1708.6 62.9,1869.5 638.7,1873.6 654.8,1912.0 968.0,1912.0 1192.9,627.6 771.3,627.9 773.4,1.0 737.5,1.0 728.1,76.5 1.0,129.3 1.0,628.5 378.6,628.2 120.1,1708.5 32.1,1708.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.8045471930718,34.24548401659874]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.80455675316084,34.24661762332797]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.8029417395428,34.24662706196683]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.80293217945376,34.245493455237586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Colton, California | 1911 | sanborn00474_007 p13 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.29"},{"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":"2026-10-19T21:07:21Z","modified":"2026-10-19T21:07:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.1,637.0 149.0,636.9 148.2,858.1 1.0,1210.0 1.0,1679.3 115.2,1867.2 913.9,1873.5 921.3,1912.0 1025.9,1912.0 1334.2,637.0 884.2,637.0 884.6,47.8 426.3,44.1 324.2,1.0 321.5,1.0 84.1,637.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040165,34.2454811]}},{"type":"Feature","properties":{"resourceCoords":[149.0,637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040124,34.2450525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Colton, California | 1911 | sanborn00474_007 p13 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.36"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4325.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2126.4"},{"label":"split_canvas_h","value":"1054.0"}],"created":"2026-10-19T21:07:21Z","modified":"2026-10-19T21:07:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1081.4,0.0 1085.3,263.5 1613.0,263.5 1613.0,237.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1081.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.8039942164357,34.24535544433948]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.80399152274848,34.24501980623777]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,263.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.80419308145666,34.24501870164691]}},{"type":"Feature","properties":{"resourceCoords":[1081.4,263.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.80419577514388,34.24535433974862]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,26.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040124,34.2450525]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,26.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040124,34.2450525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Colton, California | 1911 | sanborn00474_007 p14","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.35"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:07:21Z","modified":"2026-10-19T21:07:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.9,195.8 565.6,112.9 1393.5,257.4 1515.4,120.1 1541.2,1275.0 801.0,1275.0 81.0,1275.0 83.2,714.1 51.0,714.1 115.9,195.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[801.0,1275.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040269,34.2465916]}},{"type":"Feature","properties":{"resourceCoords":[81.0,1275.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040217,34.2460292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Colton, California | 1911 | sanborn00474_007 p17 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.48"},{"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":"2026-10-19T21:07:21Z","modified":"2026-10-19T21:07:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.8,1786.0 27.0,1786.6 63.1,1872.7 408.4,1754.8 751.9,1878.0 1527.2,1849.5 1425.2,1659.2 1174.3,1635.5 1042.0,1635.5 1042.0,1623.0 1029.5,1621.8 1032.1,1277.4 1042.0,1276.2 1042.0,1268.0 1114.7,1268.0 1600.9,1212.8 1588.2,642.0 850.0,642.0 510.3,642.0 307.7,1786.2 26.8,1786.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[850.0,642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040269,34.2465916]}},{"type":"Feature","properties":{"resourceCoords":[132.0,642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040217,34.2460292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Colton, California | 1911 | sanborn00474_007 p9","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.10"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T21:07:21Z","modified":"2026-10-19T21:07:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.6,1867.8 41.1,1853.5 30.7,67.2 1461.4,73.5 1485.0,675.2 1538.0,652.9 1612.0,831.7 1612.0,1783.9 1553.6,1867.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004741911:00474_1911-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040026,34.2440113]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.8040124,34.2450525]}}]}}]}