(subclass Forest LandArea) | Geography.kif 6352-6352 | Forest is a subclass of land area |
(subclass RainForest Forest) | Geography.kif 6363-6363 | Rain forest is a subclass of forest |
(subclass TemperateHardwoodForest Forest) | Geography.kif 6377-6377 | Temperate hardwood forest is a subclass of forest |
(subclass BorealForest Forest) | Geography.kif 6380-6380 | Boreal forest is a subclass of forest |