# curated.boundary_fire_district HFD fire districts (23 rows; category: Boundaries & demographics; geometry column `geom` (MultiPolygon, EPSG:4326)) Fields (expression | type | filled/distinct in a sample | values or examples): - objectid | bigint | 23/23 | e.g.: 13; 18; 2 - attrs->>'AdminDist' | number | 22/22 | e.g.: 34; 4; 45 attrs values are text: cast when comparing numbers, e.g. (attrs->>'PCI')::numeric.