{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00602_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Imperial, California | 1922 | 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":"15"},{"label":"placed","value":"5"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"georeferenced"},{"label":"unplaced pages","value":"p11 (tier 2, 32.67068,-115.49532 +/-100m); p12 (tier 2, 32.78511,-115.54844 +/-13592m); p1__1 (tier 3, 32.80032,-115.35879 +/-57645m); p1__2 (tier 3, 32.80032,-115.35879 +/-57645m); p1__3 (tier 3, 32.80032,-115.35879 +/-57645m); p2 (tier 2, 32.85219,-115.57186 +/-163m); p4 (tier 2, 32.84895,-115.57358 +/-100m); p6 (tier 2, 32.80543,-115.55142 +/-15585m); p7 (tier 3, 32.80018,-115.32168 +/-4066m); p8 (tier 2, 32.67144,-115.50208 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Imperial, California | 1922 | sanborn00602_003 p10","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:39:54Z","modified":"2026-10-19T00:39:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"187.9,95.7 783.7,49.0 1176.7,127.0 1445.2,38.4 1605.3,81.2 1578.2,1876.8 92.6,1863.4 92.2,1809.8 58.0,1810.0 51.4,1246.2 58.0,684.0 61.8,684.0 52.1,46.1 187.9,95.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[58.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.4986672,32.6719193]}},{"type":"Feature","properties":{"resourceCoords":[58.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.4986799,32.6698298]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Imperial, California | 1922 | sanborn00602_003 p13","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:39:54Z","modified":"2026-10-19T00:39:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.7,31.9 1533.1,14.3 1548.0,66.0 1607.0,14.2 1610.6,1868.7 29.5,1871.7 40.7,31.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1058.0,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5699891,32.8423233]}},{"type":"Feature","properties":{"resourceCoords":[1058.0,1716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5699915,32.8412826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Imperial, California | 1922 | sanborn00602_003 p3","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.07"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:39:54Z","modified":"2026-10-19T00:39:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.9,29.0 1607.4,53.4 1569.7,483.6 1595.8,1869.4 560.8,1901.4 560.5,1867.4 86.8,1866.6 87.2,1702.2 32.9,1704.4 31.9,29.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,1378.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5699865,32.8516206]}},{"type":"Feature","properties":{"resourceCoords":[558.0,394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.569985,32.8537184]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Imperial, California | 1922 | sanborn00602_003 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.34"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:39:54Z","modified":"2026-10-19T00:39:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1093.7,1.0 1034.8,1.0 1034.0,22.0 380.6,78.0 74.1,31.4 24.6,70.5 48.1,1867.0 1589.8,1874.2 1587.3,236.2 1597.0,236.3 1598.1,199.6 1086.0,177.7 1093.7,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5723862,32.8495368]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5699815,32.8485259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Imperial, California | 1922 | sanborn00602_003 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:39:54Z","modified":"2026-10-19T00:39:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.2,1862.2 55.6,65.0 1275.5,87.8 1491.1,33.7 1551.7,55.0 1568.8,688.0 1565.0,688.0 1565.0,1246.0 1578.0,1805.5 1612.0,1804.9 1612.0,1858.1 35.2,1862.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364im:g4364im_g006021922:00602_1922-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1565.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.498688,32.6708762]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.4986672,32.6719193]}}]}}]}