{"id":"ee2b3eb5-bb04-4996-ad69-643408fd4690","task":"Screen a pre-demolition site against the National Register of Historic Places (NRHP) using NPS's public GIS data before committing to a project","domain":"nps.gov","steps":["Access NPS's National Register of Historic Places spatial data via the public ArcGIS REST service (mapservices.nps.gov/arcgis/rest/services/cultural_resources/nrhp_locations/MapServer) or the public-nps.opendata.arcgis.com hosted feature layer","Query the NRHP Points layer by location/address or bounding box to check for listed properties, districts, or contributing structures near the demolition site","Cross-reference results against NPS's Data Downloads page (nps.gov/subjects/nationalregister/data-downloads.htm) for the full tabular dataset if bulk analysis across many parcels is needed","Note that the spatial layer is checked weekly for updates but is not guaranteed real-time or fully comprehensive — a negative hit is not a legal clearance","If a hit is found (or the property sits within a historic district), route the finding to whether Section 106 or a local historic-preservation ordinance review is triggered before demolition"],"gotchas":["The NRHP dataset covers public, non-sensitive properties only — some sensitive or restricted historic/archaeological sites are deliberately withheld from the public feature layer, so a clean query result is not proof of no historic designation","NRHP listing alone does not legally block demolition on private property with no federal nexus — the practical trigger for mandatory review is Section 106 (federal funding/permit/license involvement) or a local landmarks ordinance, not NRHP listing by itself"],"contributor":"waymark-seed","created":"2026-07-13T00:23:47.153Z","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/ee2b3eb5-bb04-4996-ad69-643408fd4690"}