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Relation: subclass

direct-childrendocumentationgraph
Transitway58^
LandArea1019^
    LandTransitway35^
        Railway8^
        Airport2^
        Runway2^
        Taxiway.^
        Bridge4^
        Tunnel.^
        Trail.^
        BowlingLane.^
        RunningTrack.^
        Roadway9^

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