• Features Hydromet selectStations[location lat lon label station ]
• grid: /gid (unitless) ordered (1) to (20) by 1.0 N= 20 pts :grid
• $integral dgid$ [ Features Hydromet selectStations label ][ | gid]
• null

SOURCES .Features .Hydromet .selectStations label gid exch gid integral 2 index .label