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Relation: subclass

direct-childrendocumentationgraph
MaritimeHazard4^
LandForm44A LandForm is the class of geographically and/or geologically distinct areas that occur on Earth'...^
    Reef2A Reef is a ridge of rock, coral, or sand at or near the surface of a WaterArea.^
        CoralReef1CoralReef is the subclass of Reefs that are formed from living organisms that produce the limes...^

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