{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00524_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Elk Grove, California | 1912 | 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":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 38.40874,-121.36239 +/-194m); p1__3 (tier 4, 38.40874,-121.36239 +/-194m); p2__2 (tier 2, 38.40958,-121.36049 +/-178m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elk Grove, California | 1912 | sanborn00524_005 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.49"},{"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":"2026-10-19T02:29:29Z","modified":"2026-10-19T02:29:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1258.5,1866.2 1612.0,1849.0 1612.0,1779.8 1528.5,1404.5 1272.2,1399.7 984.5,1399.7 978.8,1394.2 981.2,960.2 984.5,955.5 1346.0,955.5 1542.3,982.7 1610.5,985.4 1550.1,138.8 1507.1,66.2 46.1,21.9 42.7,629.5 599.1,625.8 632.0,616.8 632.1,625.5 635.9,625.5 634.1,895.8 627.1,900.4 26.7,904.2 31.0,1856.3 672.8,1853.0 672.8,1873.5 1258.5,1862.2 1258.5,1866.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.362316,38.410128]}},{"type":"Feature","properties":{"resourceCoords":[1272.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.359449,38.407912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elk Grove, California | 1912 | sanborn00524_005 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.12"},{"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":"2026-10-19T02:29:29Z","modified":"2026-10-19T02:29:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1266.0,1577.3 1266.0,1572.0 1266.5,1572.0 1266.8,1569.7 1596.1,1566.3 1565.1,605.6 1610.0,249.3 1564.2,38.0 1214.3,53.2 1214.4,49.5 658.9,57.4 659.0,38.0 50.4,38.1 49.5,1851.8 104.0,1893.5 1139.8,1897.7 1236.2,1871.2 1266.0,1577.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364em:g4364em_g005241912:00524_1912-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[659.0,38.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.362301,38.409017]}},{"type":"Feature","properties":{"resourceCoords":[94.0,38.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.362316,38.410128]}}]}}]}