Gambia.
Great Britain.Directorate of Overseas Surveys.
[Tolworth, England] : D.O.S.,
c1966.
Relief shown by hachures.
"Third edition prepared by the British Government's Ministry of Overseas Development (Directorate of Overseas Surveys), under the Special Commonwealth African Assistance Plan, 1965, D.O.S. 515."
"Printed for D.O.S. by Ordnance Survey."
"Grid: UTM zone 28."