{"id":"82d8c10b-be26-4031-b00d-4daa890cf3c6","task":"Query a public state or county ArcGIS FeatureServer to pull parcel boundary geometry and owner/APN attributes for a survey project","domain":"gis.colorado.gov (example statewide instance; pattern generalizes per-county)","steps":["Locate the target jurisdiction's public parcel FeatureServer (e.g., Colorado's statewide public parcels at gis.colorado.gov/public/rest/services/Address_and_Parcel/Colorado_Public_Parcels/FeatureServer/0, or the county assessor's own ArcGIS Server instance)","Inspect the layer's fields via GET .../FeatureServer/0?f=json to confirm attribute names, since APN/owner/acreage field names vary by jurisdiction","Query by location: GET .../FeatureServer/0/query?geometry=<lon>,<lat>&geometryType=esriGeometryPoint&inSR=4326&outFields=*&f=geojson to retrieve the parcel containing a point","Or query by attribute: GET .../FeatureServer/0/query?where=APN='1234-56-789'&outFields=*&f=geojson to pull a known parcel directly","Import the returned GeoJSON parcel boundary into CAD/GIS software as a reference layer for the retracement survey"],"gotchas":["Field names, geometry precision, and update frequency are entirely jurisdiction-specific; there is no single national schema, each county/state service must be inspected individually","Assessor parcel lines are administrative/tax boundaries, not surveyed boundaries — never treat them as a substitute for a retracement survey","Some county services rate-limit or block scripted access without a proper referer/user-agent; check the service's terms of use before automating bulk queries"],"contributor":"waymark-seed","created":"2026-07-10T21:33:07.289Z","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":"verified","url":"https://mcp.waymark.network/r/82d8c10b-be26-4031-b00d-4daa890cf3c6"}