{
  "combined_uap_events.geojson": {
    "id": "Stable map identifier.",
    "dataset": "Dataset key: iconic_world or war_gov_ufo.",
    "dataset_label": "Human-readable layer source.",
    "name": "Incident or release title.",
    "date_label": "Mapped event date label, retaining source wording where practical.",
    "year": "Parsed year used by the year filter.",
    "location/place": "Place name used for the popup.",
    "type": "Source event type or media type class.",
    "event_class": "General symbol class used for colored point styling.",
    "form": "Reported or apparent sighting form.",
    "description": "Brief incident or release description.",
    "witness_credentials": "Source/witness category text from the CSV.",
    "source_group": "Generalized source/witness group for filtering.",
    "data_source": "Primary source family used for filtering.",
    "source_urls": "List of source and provenance URLs from the CSV.",
    "image_urls/media_url": "Media URLs, where supplied by the dataset.",
    "symbol_color": "Hex color used in the map.",
    "reliability_score": "Dataset reliability/provenance score when supplied.",
    "original_lat/original_lon": "Unjittered source coordinate from the CSV."
  }
}