Query BLM's Oregon/Washington regional ArcGIS recreation-site service for state-level facility detail not fully represented in the national BLM layer.
domain: gis.blm.gov · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Query https://gis.blm.gov/orarcgis/rest/services/Facility/BLM_OR_Recreation_Site/MapServer for Oregon/Washington-managed BLM recreation sites
Request JSON or GeoJSON output via the service's query endpoint
Filter by site type or administrative unit as needed
Compare record counts/fields against the national BLM_Natl_Recreation_Sites_Facilities layer to spot state-specific detail not in the national mirror
Cache results, since regional services update on independent schedules from the national layer
Known gotchas
Regional BLM ArcGIS services (Oregon, Alaska, Colorado, etc.) are separate map services from the national layer with their own schemas — field names may not match exactly across regions
This is a government open-data service; verify current uptime, since regional GIS servers see less traffic and maintenance attention than the national one
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