Benue Valley appraisal mission report /
Great Britain.Directorate of Overseas Surveys.
[Tolworth] : Directorate of Overseas Surveys,
1972.
Material to accompany the report.
Drawing No. 2 [3156B] : Hydrographs of the Benue River at Garua and Wuro-Boki -- Drawing No. 3 [3156C] : Hydrographs of the Benue River at Yola, Numan and Lau -- Drawing No. 7 [3156G] Flood Profile of the Benue River -- [3156L-M] : Sketch maps of development areas. Scale 1:250,000