{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09221_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Latah, Washington | 1928 | 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":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 47.27957,-117.15020 +/-100m); p2__3 (tier 1, 47.28169,-117.15918 +/-168m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Latah, Washington | 1928 | sanborn09221_004 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:07:41Z","modified":"2026-10-18T07:07:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1484.0,1901.7 1484.0,1870.0 1006.7,1873.2 517.5,1871.5 52.7,1878.9 28.9,35.4 1538.5,26.5 1596.0,121.8 1601.2,369.8 1588.2,1879.2 1568.4,1901.4 1484.0,1901.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[503.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.1571584,47.2814036]}},{"type":"Feature","properties":{"resourceCoords":[1484.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.1544727,47.2805738]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Latah, Washington | 1928 | sanborn09221_004 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.68"},{"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":"5862.8"}],"created":"2026-10-18T07:07:41Z","modified":"2026-10-18T07:07:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1524.2,41.6 1439.8,43.8 1439.0,12.0 960.5,25.8 470.0,35.0 4.2,52.6 22.7,580.5 96.9,659.9 294.5,671.9 427.8,794.4 518.5,1012.5 552.3,1348.4 670.5,1434.5 634.1,1449.7 963.3,1452.5 1130.5,1384.5 1497.2,1452.6 1576.8,1393.0 1583.0,230.4 1493.2,78.1 1524.2,41.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284lm:g4284lm_g092211928:09221_1928-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,523.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.1557557,47.279641]}},{"type":"Feature","properties":{"resourceCoords":[24.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.1583214,47.2805353]}}]}}]}