"TGN:21156"^^ . _:b1216885 . "river mouth"^^ . _:b1216888 . . _:b1216885 . _:b1216886 . "ENVO"^^ . _:b1216886 . . _:b1216889 . _:b1216887 _:b1216886 . _:b1216889 . "The end of a stream where it enters a standing water body such as a lake, sea or ocean."^^ . _:b1216887 . _:b1216889 . _:b1216888 _:b1216887 . "ENVO:00000386"^^ . _:b1216889 . "Wikipedia:River_mouth"^^ . _:b1216885 _:b1216888 . _:b1216886 .