{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00553_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Fortuna, California | 1889 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"1"},{"label":"placed","value":"1"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364fm:g4364fm_g005531889:00553_1889-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fortuna, California | 1889 | sanborn00553_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.20"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T03:14:10Z","modified":"2026-10-18T03:14:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364fm:g4364fm_g005531889:00553_1889-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364fm:g4364fm_g005531889:00553_1889-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1589.7,1620.0 1561.1,1874.6 504.3,1885.3 47.9,1823.3 33.4,1679.2 86.0,1506.2 22.6,545.6 70.2,50.8 1420.0,25.4 1554.5,54.1 1588.3,279.8 1531.5,1067.7 1589.7,1620.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364fm:g4364fm_g005531889:00553_1889-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1037.0,1195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.1467782,40.5847194]}},{"type":"Feature","properties":{"resourceCoords":[1037.0,328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-124.146775,40.5871542]}}]}}]}