"reef"^^ . "ledge"^^ . "Geonames:U.RFU"^^ . . "FTT:729"^^ . "bank reef"^^ . "submerged reef"^^ . "reefs"^^ . "atoll reef"^^ . "reef flat"^^ . "TGN:21479"^^ . "SPIRE:Reef"^^ . "A ridge of rocks, lying near the surface of the sea, which may be visible at low tide, but is usually covered by water."^^ . "Wikipedia:Reef"^^ . "Geonames:H.RF"^^ . "REEF"^^ . "reef"^^ . "shore reef"^^ . "ENVO"^^ . "ENVO:00000130"^^ . "EcoLexicon:reef"^^ . "fringing reef"^^ . "FTT:203"^^ . "barrier reef"^^ . . "Geonames:U.RFSU"^^ . "FTT:202"^^ .