Sierra Leone /
Great Britain.Directorate of Overseas Surveys.
[London] : The Directorate,
c1976.
Relief shown by contours, gradient tints and spot heights.
Includes boundary diagram.
U.T.M Grid, Zone 28.
Standard map series designation: Series G442.
"Reconstructed by the Directorate of Overseas Surveys from Sierra Leone 1:250,000 DOS 619 1972/73. Additional information supplied by Ministry of Lands and Ministry of Works, Sierra Leone, 1973."
Copyright Sierra Leone Government 1976.