{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00579_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Guerneville, California | 1885 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 38.50589,-123.00548 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005791885:00579_1885-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Guerneville, California | 1885 | sanborn00579_001 p1 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2601.6"},{"label":"split_canvas_y","value":"4535.6"},{"label":"split_canvas_w","value":"3850.4"},{"label":"split_canvas_h","value":"3116.4"}],"created":"2026-09-21T10:46:04Z","modified":"2026-09-21T10:46:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005791885:00579_1885-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005791885:00579_1885-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1133.9 785.3,1260.1 650.4,1409.5 652.8,1913.0 1205.0,1913.0 1490.0,1913.0 1613.0,1913.0 1613.0,1133.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364gm:g4364gm_g005791885:00579_1885-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1324.1,1348.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.000336,38.5019874]}},{"type":"Feature","properties":{"resourceCoords":[1364.1,1348.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.0002662,38.5011282]}}]}}]}