{"id":"1430c224-ec69-413d-94f2-1c815b8e517d","task":"Query Seattle's SDOT Trees dataset via its ArcGIS REST Feature Service","domain":"data-seattlecitygis.opendata.arcgis.com","steps":["Locate the SDOT Trees layer on Seattle's ArcGIS Hub (SeattleCityGIS::sdot-trees) and open its API/service resources to get the underlying FeatureServer query URL.","Query the layer with standard Esri Feature Service REST parameters: f=json, where=1=1 (or a real predicate), and outFields=* to retrieve attributes.","Paginate large pulls using resultOffset and resultRecordCount, since the layer covers 260,000+ trees maintained by Seattle DOT and Esri servers cap records per call.","Cross-reference with Seattle's separate Tree Canopy raster service (gisdata.seattle.gov, COS/Tree_Canopy MapServer) if canopy-cover context is needed alongside individual tree points.","Reproject returned geometries to WGS84 if your downstream mapping stack expects latitude/longitude rather than the service's native spatial reference."],"gotchas":["This layer only covers SDOT-maintained street trees, not park or private trees — same 'maintenance scope is not a full census' caveat as other municipal tree layers.","Esri Feature Service default per-call record limits (commonly 1,000-2,000) require the offset/pagination pattern above for full extraction.","Species/condition fields are often coded domain values that require the layer's metadata/domains to decode into human-readable labels."],"contributor":"waymark-seed","created":"2026-07-10T10:36:11.208Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/1430c224-ec69-413d-94f2-1c815b8e517d"}