{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00459_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chico, California | 1886 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"16"},{"label":"placed","value":"13"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 11, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 39.73373,-121.84341 +/-206m); p1__2 (tier 1, 39.73050,-121.84250 +/-100m); p1__3 (tier 1, 39.73342,-121.84297 +/-179m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"458.4,1644.6 76.5,1648.1 68.3,599.0 577.2,597.5 572.8,68.4 1613.0,59.2 1613.0,1913.0 459.1,1913.0 458.4,1644.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.83829476434833,39.72583433828509]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.83582535081973,39.7236011191769]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.83924478757811,39.72133265571987]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.84171420110671,39.72356587482806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"612.8,1748.2 595.0,1233.0 108.0,1251.3 120.0,1758.5 16.0,1760.6 -0.0,750.7 94.2,749.7 78.0,-0.0 1613.0,-0.0 1584.8,1228.4 1061.3,1232.5 1072.1,1744.0 612.8,1748.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[595.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.836604,39.7256051]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8334631,39.7256856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p12","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[482.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8310732,39.7293208]}},{"type":"Feature","properties":{"resourceCoords":[482.0,1452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8289036,39.7273889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2218.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.2,1913.0 554.7,1913.0 548.4,313.9 -0.0,321.7 -0.0,1262.4 0.0,1789.3 -0.0,1913.0 121.2,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[67.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.843094,39.72119]}},{"type":"Feature","properties":{"resourceCoords":[67.0,323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.843887,39.721894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"2188.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4263.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1080.6,1574.0 1079.0,1654.9 1587.4,1658.3 1613.0,0.0 547.2,-0.0 553.4,1574.3 1080.6,1574.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1088.1,669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8468697,39.7259695]}},{"type":"Feature","properties":{"resourceCoords":[1088.1,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8460624,39.7252699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.5,1702.5 45.0,9.5 -0.0,-0.0 1537.5,0.0 1531.0,694.7 1583.5,693.9 1592.7,1700.4 32.5,1702.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8442108,39.7265152]}},{"type":"Feature","properties":{"resourceCoords":[1069.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8432816,39.72714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.4,1913.0 49.3,727.9 -0.0,729.1 -0.0,-0.0 1518.8,0.0 1521.4,1913.0 68.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[538.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8422318,39.7291011]}},{"type":"Feature","properties":{"resourceCoords":[1523.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8403324,39.7303544]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.5,0.0 1613.0,0.0 1613.0,1680.5 66.7,1685.4 86.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[591.0,746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8394282,39.7309801]}},{"type":"Feature","properties":{"resourceCoords":[1105.0,1748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8369262,39.7302214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"330.1,1913.0 332.9,1734.7 -0.0,1731.0 -0.0,171.8 1115.7,180.1 1117.0,-0.0 1613.0,-0.0 1613.0,988.2 1540.6,986.1 1534.9,1749.0 1439.0,1747.2 1434.2,1913.0 330.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,1218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8370816,39.7289035]}},{"type":"Feature","properties":{"resourceCoords":[558.0,1737.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8380115,39.7282699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p7","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"608.0,1739.9 -0.0,1730.9 -0.0,1281.1 -0.0,573.4 -0.0,440.8 -0.0,350.8 1608.7,9.2 1613.0,712.8 1613.0,949.5 1613.0,1223.8 608.0,1739.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.0,1215.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.838329,39.7256575]}},{"type":"Feature","properties":{"resourceCoords":[106.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8364819,39.7269069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.7,64.8 1583.0,319.2 1613.0,319.4 1613.0,1428.2 1587.5,1428.4 1586.5,1532.7 557.6,1538.3 560.1,1913.0 -0.0,1913.0 -0.0,73.8 1580.7,64.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.84454543238454,39.72526556810068]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.84161148792194,39.72722088713495]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.83861750604369,39.72452574573907]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-121.84155145050629,39.722570426704806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p9 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5591.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2060.8"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1397.8 0.0,1405.7 -0.0,1913.0 87.7,1913.0 1613.0,1913.0 1613.0,1397.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[86.0,1423.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8358686,39.732145]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1423.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8335374,39.7300879]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chico, California | 1886 | sanborn00459_002 p9 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"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":"5622.8"}],"created":"2026-09-23T14:22:25Z","modified":"2026-09-23T14:22:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1566.3,1197.8 1565.2,612.4 1613.0,613.4 1613.0,145.8 86.0,116.2 82.5,598.3 -0.0,596.6 -0.0,1405.7 1613.0,1397.8 1613.0,1198.4 1566.3,1197.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364cm:g4364cm_g004591886:00459_1886-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1066.0,1117.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8446625,39.7225973]}},{"type":"Feature","properties":{"resourceCoords":[1066.0,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8428295,39.7238513]}}]}}]}