(subclass Estuary BodyOfWater) | Geography.kif 5179-5179 | Estuary e' uma sub-classe de BodyOfWater |
(subclass Estuary SaltWaterArea) | Geography.kif 5180-5180 | Estuary e' uma sub-classe de Area Aquatica salgada |
(subclass Estuary Inlet) | Geography.kif 5181-5181 | Estuary e' uma sub-classe de Inlet |